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@inproceedings{DBLP:conf/mfdbs/AlbertR91,
  author    = {Luc Albert and
               Mireille R{\'{e}}gnier},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Complexity of Recursive Production Rules Execution},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {188--200},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_14},
  doi       = {10.1007/3-540-54009-1\_14},
  timestamp = {Tue, 14 May 2019 10:00:50 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/AlbertR91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Arapis91,
  author    = {Constantin Arapis},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Temporal Specifications of Object Behavior},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {308--324},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_22},
  doi       = {10.1007/3-540-54009-1\_22},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Arapis91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/AtzeniT91,
  author    = {Paolo Atzeni and
               Riccardo Torlone},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Solving Ambiguities in Updating Deductive Databases},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {104--118},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_8},
  doi       = {10.1007/3-540-54009-1\_8},
  timestamp = {Wed, 25 Sep 2019 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/AtzeniT91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BiskupD91,
  author    = {Joachim Biskup and
               Pratul Dublish},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Objects in Relational Database Schemes with Functional, Inclusion
               and Exclusion Dependencies},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {276--290},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_20},
  doi       = {10.1007/3-540-54009-1\_20},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BiskupD91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/CacaceCT91,
  author    = {Filippo Cacace and
               Stefano Ceri and
               Letizia Tanca},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Consistency and Non-determinism in a Database Programming Language},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {325--341},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_23},
  doi       = {10.1007/3-540-54009-1\_23},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/CacaceCT91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/DemetrovicsRS91,
  author    = {J{\'{a}}nos Demetrovics and
               Lajos R{\'{o}}nyai and
               Hua nam Son},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {On the Representation of Dependencies by Propositional Logic},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {230--242},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_17},
  doi       = {10.1007/3-540-54009-1\_17},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/DemetrovicsRS91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Dong91,
  author    = {Guozhu Dong},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {On the Monotonicity of {(LDL)} Logic Programs with Sets},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {201--215},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_15},
  doi       = {10.1007/3-540-54009-1\_15},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Dong91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Halpin91,
  author    = {Terry A. Halpin},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {A Fact-Oriented Approach to Schema Transformation},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {342--356},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_24},
  doi       = {10.1007/3-540-54009-1\_24},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Halpin91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Hegner91,
  author    = {Stephen J. Hegner},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Pairwise-Definable Subdirect Decompositions of General Database Schemata},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {243--257},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_18},
  doi       = {10.1007/3-540-54009-1\_18},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Hegner91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/HeuerS91,
  author    = {Andreas Heuer and
               Peter Sander},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Classifying Object-Oriented Query Results in a Class/Type Lattice},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {14--28},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_2},
  doi       = {10.1007/3-540-54009-1\_2},
  timestamp = {Thu, 14 Sep 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/HeuerS91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Iofinova91,
  author    = {M. E. Iofinova},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Updating Hierarchical Databases by Complex Forms},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {134--145},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_10},
  doi       = {10.1007/3-540-54009-1\_10},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Iofinova91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/LaenensV91,
  author    = {Els Laenens and
               Dirk Vermeir},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {On the Relationship between Well-Founded and Stable Partial Models},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {59--73},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_5},
  doi       = {10.1007/3-540-54009-1\_5},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/LaenensV91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Lecluse91,
  author    = {Christophe L{\'{e}}cluse},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Rational of the {O2} System},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {372--376},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_26},
  doi       = {10.1007/3-540-54009-1\_26},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Lecluse91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/LeeF91,
  author    = {John K. Lee and
               Alan D. Fekete},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Multi-Granularity Locking for Nested Transaction Systems},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {160--172},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_12},
  doi       = {10.1007/3-540-54009-1\_12},
  timestamp = {Thu, 27 Aug 2020 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/LeeF91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Libkin91,
  author    = {Leonid Libkin},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {A Relational Algebra for Complex Objects Based on Partial Information},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {29--43},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_3},
  doi       = {10.1007/3-540-54009-1\_3},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Libkin91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Nussche91,
  author    = {Jan Van den Bussche},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Complex Object Multi-Level Fixpoint Queries},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {1--13},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_1},
  doi       = {10.1007/3-540-54009-1\_1},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Nussche91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/OukselM91,
  author    = {Aris M. Ouksel and
               Otto Mayer},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {The Nested Interpolation Based Grid File},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {173--187},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_13},
  doi       = {10.1007/3-540-54009-1\_13},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/OukselM91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/SaakeJS91,
  author    = {Gunter Saake and
               Ralf Jungclaus and
               Cristina Sernadas},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Abstract Data Type Semantics for Many-Sorted Object Query Algebras},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {291--307},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_21},
  doi       = {10.1007/3-540-54009-1\_21},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/SaakeJS91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Sander91,
  author    = {Peter Sander},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Specifying Operations for Nested Relations by Rules and Partial Orders},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {44--58},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_4},
  doi       = {10.1007/3-540-54009-1\_4},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Sander91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/SchekSW91,
  author    = {Hans{-}J{\"{o}}rg Schek and
               Marc H. Scholl and
               Gerhard Weikum},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {The Background of the {DASDBS} {\&} {COSMOS} Projects},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {377--388},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_27},
  doi       = {10.1007/3-540-54009-1\_27},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/SchekSW91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/SchmidtM91,
  author    = {Joachim W. Schmidt and
               Florian Matthes},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {The Rational behind {DBPL}},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {389--395},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_28},
  doi       = {10.1007/3-540-54009-1\_28},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/SchmidtM91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/TaylorH91,
  author    = {Steve Taylor and
               Nabil I. Hachem},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {A Direct Algorithm for Computing the Transitive Closure of a Two-Dimensionally
               Structured File},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {146--159},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_11},
  doi       = {10.1007/3-540-54009-1\_11},
  timestamp = {Tue, 27 Nov 2018 00:00:00 +0100},
  biburl    = {https://dblp.org/rec/conf/mfdbs/TaylorH91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Theodoratos91,
  author    = {Dimitri Theodoratos},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Monadic Databases with Equality},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {74--88},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_6},
  doi       = {10.1007/3-540-54009-1\_6},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Theodoratos91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/VegaPS91,
  author    = {Wenceslas Fernandez de la Vega and
               Vangelis Th. Paschos and
               A. N. Staylopatis},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {On the Mean Execution Time of Recursive Definitions on Relational
               Databases},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {119--133},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_9},
  doi       = {10.1007/3-540-54009-1\_9},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/VegaPS91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Wagner91,
  author    = {Gerd Wagner},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {A Database Needs Two Kinds of Negation},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {357--371},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_25},
  doi       = {10.1007/3-540-54009-1\_25},
  timestamp = {Wed, 06 Nov 2019 00:00:00 +0100},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Wagner91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/WieringaM91,
  author    = {Roel J. Wieringa and
               John{-}Jules Ch. Meyer},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Actor-Oriented Specification of Deontic Integrity Constraints},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {89--103},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_7},
  doi       = {10.1007/3-540-54009-1\_7},
  timestamp = {Thu, 14 Mar 2019 00:00:00 +0100},
  biburl    = {https://dblp.org/rec/conf/mfdbs/WieringaM91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Wuthrich91,
  author    = {Beat W{\"{u}}thrich},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Semantic Improvement of Deductive Databases},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {216--229},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_16},
  doi       = {10.1007/3-540-54009-1\_16},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Wuthrich91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/YemelchenkovT91,
  author    = {Ye. P. Yemelchenkov and
               M. Sh. Tsalenko},
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {Functional Dependencies in Hierarchical Structures of Data},
  booktitle = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  pages     = {258--275},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1\_19},
  doi       = {10.1007/3-540-54009-1\_19},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/YemelchenkovT91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/mfdbs/91,
  editor    = {Bernhard Thalheim and
               J{\'{a}}nos Demetrovics and
               Hans{-}Detlef Gerhardt},
  title     = {{MFDBS} 91, 3rd Symposium on Mathematical Fundamentals of Database
               and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {495},
  publisher = {Springer},
  year      = {1991},
  url       = {https://doi.org/10.1007/3-540-54009-1},
  doi       = {10.1007/3-540-54009-1},
  isbn      = {3-540-54009-1},
  timestamp = {Tue, 14 May 2019 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/91.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/AsirelliBI89,
  author    = {Patrizia Asirelli and
               C. Billi and
               Paola Inverardi},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Selective Refutation of Integrity Constraints in Deductive Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {1--11},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_1},
  doi       = {10.1007/3-540-51251-9\_1},
  timestamp = {Tue, 14 May 2019 10:00:50 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/AsirelliBI89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/AtzeniT89,
  author    = {Paolo Atzeni and
               Riccardo Torlone},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Approaches to Updates over Weak Instances},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {12--23},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_2},
  doi       = {10.1007/3-540-51251-9\_2},
  timestamp = {Wed, 25 Sep 2019 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/AtzeniT89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BarcucciCPV89,
  author    = {Elena Barcucci and
               Alessandra Chiuderi and
               Renzo Pinzani and
               M. Cecilia Verri},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Index Selection in Relational Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {24--36},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_3},
  doi       = {10.1007/3-540-51251-9\_3},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BarcucciCPV89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BiskupC89,
  author    = {Joachim Biskup and
               Bernhard Convent},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Towards a Schema Design Methodology for Deductive Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {37--52},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_4},
  doi       = {10.1007/3-540-51251-9\_4},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BiskupC89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BondavalliFLV89,
  author    = {Andrea Bondavalli and
               Nicoletta De Francesco and
               Diego Latella and
               Gigliola Vaglini},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Shared Abstract Data Types: An Algebraic Methodology for Their Specification},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {53--67},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_5},
  doi       = {10.1007/3-540-51251-9\_5},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BondavalliFLV89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BrassL89,
  author    = {Stefan Brass and
               Udo W. Lipeck},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Specifying Closed World Assumptions for Logic Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {68--84},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_6},
  doi       = {10.1007/3-540-51251-9\_6},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BrassL89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Bruggemann89,
  author    = {Hans Hermann Br{\"{u}}ggemann},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Interaction of Authorities and Acquaintances in the {DORIS} privacy
               model of data},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {85--99},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_7},
  doi       = {10.1007/3-540-51251-9\_7},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Bruggemann89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Bry89,
  author    = {Fran{\c{c}}ois Bry},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Logical Rewritings for Improving the Evaluation of Quantified Queries},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {100--116},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_8},
  doi       = {10.1007/3-540-51251-9\_8},
  timestamp = {Sat, 05 Sep 2020 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Bry89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BurginG89,
  author    = {Mark Burgin and
               V. Gladun},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Mathematical Foundations of Semantic Networks Theory},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {117--135},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_9},
  doi       = {10.1007/3-540-51251-9\_9},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BurginG89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/DemetrovicsLM89,
  author    = {J{\'{a}}nos Demetrovics and
               Leonid Libkin and
               Ilya B. Muchnik},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Functional Dependencies and the Semilattice of Closed Classes},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {136--147},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_10},
  doi       = {10.1007/3-540-51251-9\_10},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/DemetrovicsLM89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Draghici89,
  author    = {Margareta Dina Draghici},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {An Extended View on Data Base Conceptual Design},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {148--171},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_11},
  doi       = {10.1007/3-540-51251-9\_11},
  timestamp = {Sun, 28 Jul 2019 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Draghici89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Eiben89,
  author    = {A. E. Eiben},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Modeling Planning Problems},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {172--186},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_12},
  doi       = {10.1007/3-540-51251-9\_12},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Eiben89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/GottlobSS89,
  author    = {Georg Gottlob and
               Michael Schrefl and
               Markus Stumptner},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {On the Interaction between Transitive Closure and Functional Dependencies},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {187--206},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_13},
  doi       = {10.1007/3-540-51251-9\_13},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/GottlobSS89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/GrazziniP89,
  author    = {Elisabetta Grazzini and
               Fabio Pippolini},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {A Strategy for Executing Complex Queries},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {207--221},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_14},
  doi       = {10.1007/3-540-51251-9\_14},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/GrazziniP89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Gyires89,
  author    = {Tibor Gyires},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Multiple Task Selection Protocol in a Distributed Problem Solving
               Network},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {222--236},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_15},
  doi       = {10.1007/3-540-51251-9\_15},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Gyires89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Heuer89,
  author    = {Andreas Heuer},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Equivalent Schemes in Semantic, Nested Relational, and Relational
               Database Models},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {237--253},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_16},
  doi       = {10.1007/3-540-51251-9\_16},
  timestamp = {Thu, 14 Sep 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Heuer89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Janas89,
  author    = {J{\"{u}}rgen M. Janas},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Covers for Functional Independencies},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {254--268},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_17},
  doi       = {10.1007/3-540-51251-9\_17},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Janas89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Komissartschik89,
  author    = {Edward A. Komissartschik},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Restructuring and Dependencies in Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {269--284},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_18},
  doi       = {10.1007/3-540-51251-9\_18},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Komissartschik89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/LakhalCM89,
  author    = {Lotfi Lakhal and
               Rosine Cicchetti and
               Serge Miranda},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {{RTL} - {A} Relation and Table Language for Statistical Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {285--300},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_19},
  doi       = {10.1007/3-540-51251-9\_19},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/LakhalCM89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/LambrichtsNPPT89,
  author    = {Erik Lambrichts and
               Peter Nees and
               Jan Paredaens and
               Peter Peelman and
               Letizia Tanca},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Integration of Functions in the Fixpoint Semantics of Rule-Based Systems},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {301--316},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_20},
  doi       = {10.1007/3-540-51251-9\_20},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/LambrichtsNPPT89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/LausenS89,
  author    = {Georg Lausen and
               Eljas Soisalon{-}Soininen},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Locling Policies and Predeclared Transactions},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {317--336},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_21},
  doi       = {10.1007/3-540-51251-9\_21},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/LausenS89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/MalyutaPS89,
  author    = {T. A. Malyuta and
               V. V. Paichnik and
               A. A. Stogniy},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Means for Management of Relational Fuzzy Data Bases - Way to Merging
               of Systems of Data Bases and Knowledge Bases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {337--346},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_22},
  doi       = {10.1007/3-540-51251-9\_22},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/MalyutaPS89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/MeyerWW89,
  author    = {John{-}Jules Ch. Meyer and
               Hans Weigand and
               Roel J. Wieringa},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {A Specification Language for Static, Dynamic and Deontic Integrity
               Constraints},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {347--366},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_23},
  doi       = {10.1007/3-540-51251-9\_23},
  timestamp = {Thu, 14 Mar 2019 00:00:00 +0100},
  biburl    = {https://dblp.org/rec/conf/mfdbs/MeyerWW89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Tenenbaum89,
  author    = {Lev A. Tenenbaum},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Blocks and Projections' Synthesis in relational Databases},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {367--381},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_24},
  doi       = {10.1007/3-540-51251-9\_24},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Tenenbaum89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Thalheim89,
  author    = {Bernhard Thalheim},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {The Higher-Order Entity-Relationship Model and {(DB)2}},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {382--397},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_25},
  doi       = {10.1007/3-540-51251-9\_25},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Thalheim89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/VianuV89,
  author    = {Victor Vianu and
               Gottfried Vossen},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Goal-Oriented Concurrency Control},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {398--414},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_26},
  doi       = {10.1007/3-540-51251-9\_26},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/VianuV89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/YanM89,
  author    = {W. Yan and
               Nelson Mendon{\c{c}}a Mattos},
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {Transitive Closure and the LOGA\({}^{\mbox{+}}\)-Strategy for its
               Efficient Evaluation},
  booktitle = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  pages     = {415--428},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9\_27},
  doi       = {10.1007/3-540-51251-9\_27},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/YanM89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/mfdbs/89,
  editor    = {J{\'{a}}nos Demetrovics and
               Bernhard Thalheim},
  title     = {{MFDBS} 89, 2nd Symposium on Mathematical Fundamentals of Database
               Systems, Visegr{\'{a}}d, Hungary, June 26-30, 1989},
  series    = {Lecture Notes in Computer Science},
  volume    = {364},
  publisher = {Springer},
  year      = {1989},
  url       = {https://doi.org/10.1007/3-540-51251-9},
  doi       = {10.1007/3-540-51251-9},
  isbn      = {3-540-51251-9},
  timestamp = {Tue, 14 May 2019 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/89.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@proceedings{DBLP:conf/mfdbs/87,
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  publisher = {Springer},
  year      = {1988},
  url       = {https://doi.org/10.1007/3-540-19121-6},
  doi       = {10.1007/3-540-19121-6},
  isbn      = {3-540-19121-6},
  timestamp = {Tue, 14 May 2019 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Benczur87,
  author    = {Andr{\'{a}}s A. Bencz{\'{u}}r},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Information Measurement in Relational Databases},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {1--9},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_1},
  doi       = {10.1007/3-540-19121-6\_1},
  timestamp = {Tue, 14 May 2019 10:00:50 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Benczur87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Benecke87,
  author    = {Klaus Benecke},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {On Hierarchical Normal Forms},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {10--19},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_2},
  doi       = {10.1007/3-540-19121-6\_2},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Benecke87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BiskupB87,
  author    = {Joachim Biskup and
               Hans Hermann Br{\"{u}}ggemann},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Data Manipulation Languages for the Universal Relation View {DURST}},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {20--41},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_3},
  doi       = {10.1007/3-540-19121-6\_3},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BiskupB87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/BiskupR87,
  author    = {Joachim Biskup and
               Uwe R{\"{a}}sch},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {The Equivalence Problem For Relational Database Schemes},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {42--70},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_4},
  doi       = {10.1007/3-540-19121-6\_4},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/BiskupR87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Bra87,
  author    = {Paul De Bra},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Functional Dependency Implications, Inducing Horizontal Decompositions},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {80--98},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_6},
  doi       = {10.1007/3-540-19121-6\_6},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Bra87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/DAtriFLM87,
  author    = {Alessandro D'Atri and
               Paolino Di Felice and
               V. S. Lakshmanan and
               Marina Moscarini},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {On Global Context Dependencies and their Properties},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {71--79},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_5},
  doi       = {10.1007/3-540-19121-6\_5},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/DAtriFLM87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/DemetrovicsK87,
  author    = {J{\'{a}}nos Demetrovics and
               Gyula O. H. Katona},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Extremal Combinatorial Problems of Database Models},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {99--127},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_7},
  doi       = {10.1007/3-540-19121-6\_7},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/DemetrovicsK87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/HoubenP87,
  author    = {Geert{-}Jan Houben and
               Jan Paredaens},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {A Formal Model for Distributed Information Systems},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {128--158},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_8},
  doi       = {10.1007/3-540-19121-6\_8},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/HoubenP87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Janssens87,
  author    = {Hans Janssens},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {A Theory of Reference Graphs in Relational Databases},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {159--180},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_9},
  doi       = {10.1007/3-540-19121-6\_9},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Janssens87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Ostermann87,
  author    = {Pascal Ostermann},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Modal Logic and Incomplete Information},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {181--196},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_10},
  doi       = {10.1007/3-540-19121-6\_10},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Ostermann87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/RulandS87,
  author    = {Detlev Ruland and
               Dietmar Seipel},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Designing Alpha-Acyclic BCNF-Database Schemes},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {197--209},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_11},
  doi       = {10.1007/3-540-19121-6\_11},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/RulandS87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/SchmidtPB87,
  author    = {Joachim W. Schmidt and
               Jan Paredaens and
               Paul De Bra},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Database Models, where they are going now?},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {239--240},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_14},
  doi       = {10.1007/3-540-19121-6\_14},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/SchmidtPB87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Thalheim87,
  author    = {Bernhard Thalheim},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Design Tools for Large Relational Database Systems},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {210--224},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_12},
  doi       = {10.1007/3-540-19121-6\_12},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Thalheim87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Thalheim87a,
  author    = {Bernhard Thalheim},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Open Problems in Database Theory},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {241--247},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_15},
  doi       = {10.1007/3-540-19121-6\_15},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Thalheim87a.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
@inproceedings{DBLP:conf/mfdbs/Thiele87,
  author    = {Helmut Thiele},
  editor    = {Joachim Biskup and
               J{\'{a}}nos Demetrovics and
               Jan Paredaens and
               Bernhard Thalheim},
  title     = {Searching and Retrieval in Databases by Trees},
  booktitle = {{MFDBS} 87, 1st Symposium on Mathematical Fundamentals of Database
               Systems, Dresden, GDR, January 19-23, 1987, Proceedings},
  series    = {Lecture Notes in Computer Science},
  volume    = {305},
  pages     = {225--238},
  publisher = {Springer},
  year      = {1987},
  url       = {https://doi.org/10.1007/3-540-19121-6\_13},
  doi       = {10.1007/3-540-19121-6\_13},
  timestamp = {Fri, 19 May 2017 01:00:00 +0200},
  biburl    = {https://dblp.org/rec/conf/mfdbs/Thiele87.bib},
  bibsource = {dblp computer science bibliography, https://dblp.org}
}
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