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ORCIDAlexander Thomasian
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- affiliation: Thomasian & Associates, Pleasantville, NY, USA
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2020 – today
- 2022
[i3]Alexander Thomasian:
Optimizing Apportionment of Redundancies in Hierarchical RAID. CoRR abs/2205.06330 (2022)- 2021
- [b2]Alexander Thomasian:
Storage Systems: Organization, Performance, Coding, Reliability, and Their Data Processing, 1st Edition. Morgan Kaufmann / Elsevier 2021, ISBN 9780323908092
2010 – 2019
- 2019
- [j69]Alexander Thomasian
:
Mirrored and hybrid disk arrays and their reliability. Clust. Comput. 22(Suppl 1): 2485-2494 (2019) - 2018
- [j68]Alexander Thomasian:
Vacationing server model for M/G/1 queues for rebuild processing in RAID5 and threshold scheduling for readers and writers. Inf. Process. Lett. 135: 41-46 (2018) - [r5]Alexander Thomasian:
Dimensionality Reduction Techniques for Nearest-Neighbor Computations. Encyclopedia of Database Systems (2nd ed.) 2018 - [r4]Alexander Thomasian:
Performance Analysis of Transaction Processing Systems. Encyclopedia of Database Systems (2nd ed.) 2018 - [i2]Alexander Thomasian:
Mirrored and Hybrid Disk Arrays: Organization, Scheduling, Reliability, and Performance. CoRR abs/1801.08873 (2018) - 2016
- [j67]Alexander Thomasian, Jun Xu:
Data allocation in a Heterogeneous Disk Array (HDA) with multiple RAID levels for database applications. Comput. Syst. Sci. Eng. 31(5) (2016) - 2015
- [p4]Alexander Thomasian:
Singular Value Decomposition, Clustering, and Indexing for Similarity Search for Large Data Sets in High-Dimensional Spaces. Big Data - Algorithms, Analytics, and Applications 2015: 39-70 - [i1]Alexander Thomasian, Jun Xu:
Data Allocation in a Heterogeneous Disk Array - HDA with Multiple RAID Levels for Database Applications. CoRR abs/1510.04868 (2015) - 2014
- [j66]Alexander Thomasian:
Analysis of Fork/Join and Related Queueing Systems. ACM Comput. Surv. 47(2): 17:1-17:71 (2014) - [j65]Alexander Thomasian, Bingxing Liu, Yuhui Deng:
Balancing disk access times in RAID5 disk arrays in degraded mode by conditionally prioritizing fork/join requests. SIGARCH Comput. Archit. News 42(2): 15-19 (2014) - [p3]Alexander Thomasian:
Storage Systems. Computing Handbook, 3rd ed. (1) 2014: 19: 1-42 - [p2]Alexander Thomasian:
Performance Evaluation of Computer Systems. Computing Handbook, 3rd ed. (1) 2014: 56: 1-50 - 2013
- [j64]Alexander Thomasian:
Improved storage system performance by disk scheduling. Comput. Syst. Sci. Eng. 28(2) (2013) - [j63]Alexander Thomasian:
Disk arrays with multiple RAID levels. SIGARCH Comput. Archit. News 41(5): 6-24 (2013) - 2012
- [j62]Alexander Thomasian, Yujie Tang:
Performance, reliability, and performability of a hybrid RAID array and a comparison with traditional RAID1 arrays. Clust. Comput. 15(3): 239-253 (2012) - [j61]Alexander Thomasian, Yujie Tang, Yang Hu:
Hierarchical RAID: Design, performance, reliability, and recovery. J. Parallel Distributed Comput. 72(12): 1753-1769 (2012) - [j60]Alexander Thomasian:
Rebuild processing in RAID5 with emphasis on the supplementary parity augmentation method[37]. SIGARCH Comput. Archit. News 40(2): 18-27 (2012) - [j59]Alexander Thomasian:
Comment on "DACO: A High Performance Disk Architecture". IEEE Trans. Computers 61(4): 588-590 (2012) - 2011
- [j58]Alexander Thomasian, Jun Xu:
RAID level selection for heterogeneous disk arrays. Clust. Comput. 14(2): 115-127 (2011) - [j57]Alexander Thomasian, Jun Xu:
X-code double parity array operation with two disk failures. Inf. Process. Lett. 111(12): 568-574 (2011) - [j56]Alexander Thomasian:
Survey and analysis of disk scheduling methods. SIGARCH Comput. Archit. News 39(2): 8-25 (2011) - [c44]Alexander Thomasian, Jun Xu:
Data Allocation in Heterogeneous Disk Arrays. NAS 2011: 82-91 - [c43]Alexander Thomasian, Yujie Tang:
Performance, Reliability, and Performability Aspects of Hierarchical RAID. NAS 2011: 92-101 - 2010
- [j55]Alexander Thomasian:
Storage research in industry and universities. SIGARCH Comput. Archit. News 38(2): 1-48 (2010) - [j54]Alexander Thomasian:
Why specialized disks for composite operations may be unnecessary. SIGARCH Comput. Archit. News 38(5): 20-27 (2010)
2000 – 2009
- 2009
- [j53]Alexander Thomasian:
Publications on storage and systems research. SIGARCH Comput. Archit. News 37(4): 1-26 (2009) - [j52]Alexander Thomasian, Mario Blaum:
Higher reliability redundant disk arrays: Organization, operation, and coding. ACM Trans. Storage 5(3): 7:1-7:59 (2009) - [r3]Alexander Thomasian:
Storage Systems for Data Warehousing. Encyclopedia of Data Warehousing and Mining 2009: 1859-1864 - [r2]Alexander Thomasian:
Performance Analysis of Transaction Processing Systems. Encyclopedia of Database Systems 2009: 2085-2093 - 2008
- [j51]Alexander Thomasian, Jun Xu:
Reliability and Performance of Mirrored Disk Organizations. Comput. J. 51(6): 615-629 (2008) - [j50]Alexander Thomasian, Lijuan Zhang:
Persistent clustered main memory index for accelerating k -NN queries on high dimensional datasets. Multim. Tools Appl. 38(2): 253-270 (2008) - [j49]Alexander Thomasian, Yue Li, Lijuan Zhang:
Optimal subspace dimensionality for k-nearest-neighbor queries on clustered and dimensionality reduced datasets with SVD. Multim. Tools Appl. 40(2): 241-259 (2008) - 2007
- [j48]Alexander Thomasian, Gang Fu, Spencer W. Ng:
Analysis of Rebuild Processing in RAID5 Disk Arrays. Comput. J. 50(2): 217-231 (2007) - [j47]Alexander Thomasian, Gang Fu, Chunqi Han:
Performance of Two-Disk Failure-Tolerant Disk Arrays. IEEE Trans. Computers 56(6): 799-814 (2007) - [c42]Alexander Thomasian, Jun Xu:
Cost Analysis of the X-code Double Parity Array. MSST 2007: 269-274 - 2006
- [j46]Alexander Thomasian, Lijuan Zhang:
The Stepwise Dimensionality Increasing (SDI) Index for High-Dimensional Data. Comput. J. 49(5): 609-618 (2006) - [j45]Alexander Thomasian, Lijuan Zhang:
Persistent Semi-Dynamic Ordered Partition Index. Comput. J. 49(6): 670-684 (2006) - [j44]Alexander Thomasian:
Mirrored disk rouing and scheduling. Clust. Comput. 9(4): 475-484 (2006) - [j43]Alexander Thomasian, Gang Fu:
Anticipatory disk arm placement to reduce seek time. Comput. Syst. Sci. Eng. 21(3) (2006) - [j42]Ali Mili, Frederick T. Sheldon, Lamia Labed Jilani, Alex Vinokurov, Alexander Thomasian, Rahma Ben Ayed:
Modeling security as a dependability attribute: a refinement-based approach. Innov. Syst. Softw. Eng. 2(1): 39-48 (2006) - [j41]Alexander Thomasian:
Shortcut method for reliability comparisons in RAID. J. Syst. Softw. 79(11): 1599-1605 (2006) - [j40]Alexander Thomasian:
Multi-level RAID for very large disk arrays. SIGMETRICS Perform. Evaluation Rev. 33(4): 17-22 (2006) - [j39]Saman Zarandioon, Alexander Thomasian:
Optimization of online disk scheduling algorithms. SIGMETRICS Perform. Evaluation Rev. 33(4): 42-46 (2006) - [j38]Alexander Thomasian, Mario Blaum:
Mirrored Disk Organization Reliability Analysis. IEEE Trans. Computers 55(12): 1640-1644 (2006) - [j37]Alexander Thomasian:
Comment on 'RAID5 Performance with Distributed Sparing'. IEEE Trans. Parallel Distributed Syst. 17(4): 399-400 (2006) - 2005
- [j36]Alexander Thomasian, Chunqi Han:
Affinity-Based Routing in Zoned Mirrored Disks. Comput. J. 48(3): 292-299 (2005) - [j35]Alexander Thomasian:
Clustered RAID Arrays and Their Access Costs. Comput. J. 48(6): 702-713 (2005) - [j34]Alexander Thomasian, Chang Liu:
Performance Comparison of Mirrored Disk Scheduling Methods with a Shared Non-Volatile Cache. Distributed Parallel Databases 18(3): 253-281 (2005) - [j33]Alexander Thomasian:
Reconstruct versus read-modify writes in RAID. Inf. Process. Lett. 93(4): 163-168 (2005) - [j32]Alexander Thomasian, Yue Li, Lijuan Zhang:
Exact k-NN queries on clustered SVD datasets. Inf. Process. Lett. 94(6): 247-252 (2005) - [j31]Alexander Thomasian, Chang Liu:
Comment on "Issues and Challenges in the Performance Analysis of Real Disk Arrays'. IEEE Trans. Parallel Distributed Syst. 16(11): 1103-1104 (2005) - [c41]Lijuan Zhang, Alexander Thomasian:
Persistent clustered main memory index for accelerating k-NN queries on high dimensional datasets. CVDB 2005: 65-70 - [c40]Alexander Thomasian, Bogdan A. Branzoi, Chunqi Han:
Performance Evaluation of a Heterogeneous Disk Array Architecture. MASCOTS 2005: 517-520 - 2004
- [j30]Leonidas Georgiadis, Christos Nikolaou, Alexander Thomasian:
A fair workload allocation policy for heterogeneous systems. J. Parallel Distributed Comput. 64(4): 507-519 (2004) - [c39]Yue Li, Alexander Thomasian, Lijuan Zhang:
Optimal Subspace Dimensionality for k-NN Search on Clustered Datasets. DEXA 2004: 201-211 - [c38]Gang Fu, Alexander Thomasian, Chunqi Han, Spencer W. Ng:
Rebuild Strategies for Redundant Disk Arrays. MSST 2004: 223-226 - [c37]Alexander Thomasian, Chunqi Han, Gang Fu, Chang Liu:
A Performance Evaluation Tool for RAID Disk Arrays. QEST 2004: 8-17 - [r1]Alexander Thomasian:
Scheduling in Secondary Storage Systems. Handbook of Scheduling 2004 - 2003
- [j29]Vittorio Castelli, Alexander Thomasian, Chung-Sheng Li:
CSVD: Clustering and Singular Value Decomposition for Approximate Similarity Search in High-Dimensional Spaces. IEEE Trans. Knowl. Data Eng. 15(3): 671-685 (2003) - [c36]Alexander Thomasian:
Data Allocation and Scheduling in Disks and Disk Arrays. MASCOTS Tutorials 2003: 357-384 - 2002
- [j28]Alexander Thomasian, Chang Liu:
Disk scheduling policies with lookahead. SIGMETRICS Perform. Evaluation Rev. 30(2): 31-40 (2002) - [c35]Alexander Thomasian, Chang Liu:
Some new disk scheduling policies and their performance. SIGMETRICS 2002: 266-267 - 2000
- [c34]Alexander Thomasian:
Performance Analysis of Database Systems. Performance Evaluation 2000: 305-327 - [c33]Alexander Thomasian:
Performance Analysis of Concurrency Control Methods. Performance Evaluation 2000: 329-354
1990 – 1999
- 1998
- [j27]Alexander Thomasian:
Concurrency Control: Methods, Performance, and Analysis. ACM Comput. Surv. 30(1): 70-119 (1998) - [j26]Alexander Thomasian:
A Multithreshold Scheduling Policy for Readers and Writers. Inf. Sci. 104(3-4): 157-180 (1998) - [j25]Alexander Thomasian:
Performance Analysis of Locking Methods with Limited Wait Depth. Perform. Evaluation 34(2): 69-89 (1998) - [j24]Alexander Thomasian:
Distributed Optimistic Concurrency Control Methods for High-Performance Transaction Processing. IEEE Trans. Knowl. Data Eng. 10(1): 173-189 (1998) - [c32]Alexander Thomasian, Vittorio Castelli, Chung-Sheng Li:
Clustering and Singular Value Decomposition for Approximate Indexing in High Dimensional Spaces. CIKM 1998: 201-207 - 1997
- [j23]Alexander Thomasian:
A Performance Comparison of Locking Methods with Limited Wait Depth. IEEE Trans. Knowl. Data Eng. 9(3): 421-434 (1997) - [j22]Alexander Thomasian, Jai Menon:
RAID5 Performance with Distributed Sparing. IEEE Trans. Parallel Distributed Syst. 8(6): 640-657 (1997) - 1996
- [b1]Alexander Thomasian:
Database Concurrency Control - Methods, Performance and Analysis. Advances in Database Systems 1, Kluwer / Springer 1996, ISBN 978-0-7923-9741-0, pp. 1-146 - [j21]Alexander Thomasian:
A More Realistic Locking Model and its Analysis. Inf. Syst. 21(5): 409-430 (1996) - [p1]Alexander Thomasian:
Two-Phase Locking Performance and Its Thrashing Behavior. Performance of Concurrency Control Mechanisms in Centralized Database Systems 1996: 166-214 - 1995
- [j20]Alexander Thomasian:
High-Performance Secondary Memory. ACM Comput. Surv. 27(2): 292-295 (1995) - [j19]Alexander Thomasian:
Checkpointing for Optimistic Concurrency Control Methods. IEEE Trans. Knowl. Data Eng. 7(2): 332-339 (1995) - [c31]Alexander Thomasian:
Priority Queueing in RAID5 Disk Arrays with an NVS Cache. MASCOTS 1995: 168-172 - [c30]Alexander Thomasian:
Rebuild options in RAID5 disk arrays. SPDP 1995: 511-518 - 1994
- [c29]Alexander Thomasian:
On a More Realistic Lock Contention Model and Its Analysis. ICDE 1994: 2-9 - [c28]Alexander Thomasian, Jai Menon:
Performance Analysis of RAID5 Disk Arrays with a Vacationing Server Model for Rebuild Mode Operation. ICDE 1994: 111-119 - [c27]Alexander Thomasian:
Fractional Data Allocation Method for Distributed Databases. PDIS 1994: 168-175 - [c26]Alexander Thomasian, Asser N. Tantawi:
Approximate solutions for M/G/1 fork/join synchronization. WSC 1994: 361-368 - 1993
- [j18]Alexander Thomasian, Victor F. Nicola:
Performance Evaluation of a Threshold Policy for Scheduling Readers and Writers. IEEE Trans. Computers 42(1): 83-98 (1993) - [j17]Alexander Thomasian:
Two-Phase Locking Performance and Its Thrashing Behavior. ACM Trans. Database Syst. 18(4): 579-625 (1993) - [j16]Alexander Thomasian:
Determining the Number of Remote Sites Accessed in Distributed Transaction Processing. IEEE Trans. Parallel Distributed Syst. 4(1): 99-103 (1993) - [j15]Peter A. Franaszek, Jayant R. Haritsa, John T. Robinson, Alexander Thomasian:
Distributed Concurrency Control Based on Limited Wait-Depth. IEEE Trans. Parallel Distributed Syst. 4(11): 1246-1264 (1993) - 1992
- [j14]Peter A. Franaszek, John T. Robinson, Alexander Thomasian:
Concurrency Control for High Contention Environments. ACM Trans. Database Syst. 17(2): 304-345 (1992) - [c25]Leana Golubchik, Alexander Thomasian:
Token Allocation in Distributed Systems. ICDCS 1992: 64-71 - [c24]Peter A. Franaszek, Jayant R. Haritsa, John T. Robinson, Alexander Thomasian:
Distributed Concurrency Control with Limited Wait-Depth. ICDCS 1992: 160-167 - [c23]Alexander Thomasian:
Thrashing in Two-Phase Locking Revisited. ICDE 1992: 518-526 - [c22]Alexander Thomasian:
Performance of Locking Policies with Limited Wait Depth. SIGMETRICS 1992: 115-127 - 1991
- [j13]Alexander Thomasian:
Centralized Concurrency Control Methods for High-End TP. SIGMOD Rec. 20(3): 106-115 (1991) - [j12]Alexander Thomasian, In Kyung Ryu:
Performance Analysis of Two-Phase Locking. IEEE Trans. Software Eng. 17(5): 386-402 (1991) - [c21]Peter A. Franaszek, John T. Robinson, Alexander Thomasian:
Wait Depth Limited Concurrency Control. ICDE 1991: 92-101 - [c20]Alexander Thomasian:
Performance Limits of Two-Phase Locking. ICDE 1991: 426-435 - 1990
- [j11]In Kyung Ryu, Alexander Thomasian:
Analysis of Database Performance with Dynamic Locking. J. ACM 37(3): 491-523 (1990) - [j10]In Kyung Ryu, Alexander Thomasian:
Performance Analysis of Dynamic Locking with the No-Waiting Policy. IEEE Trans. Software Eng. 16(7): 684-698 (1990) - [c19]Alexander Thomasian, Erhard Rahm:
A New Distributed Optimistic Concurrency Control Method and a Comparison of its Performance with Two-Phase Locking. ICDCS 1990: 294-301 - [c18]Peter A. Franaszek, John T. Robinson, Alexander Thomasian:
Access Invariance and Its Use in High Contention Environments. ICDE 1990: 47-55
1980 – 1989
- 1989
- [j9]Philip S. Yu, Douglas W. Cornell, Daniel M. Dias, Alexander Thomasian:
Performance Comparison of IO Shipping and Database Call Shipping: Schemes in Multisystem Partitioned Databases. Perform. Evaluation 10(1): 15-33 (1989) - [j8]Alexander Thomasian, In Kyung Ryu:
A Recursive Solution Method to Analyze the Performance of Static Locking Systems. IEEE Trans. Software Eng. 15(10): 1147-1156 (1989) - [c17]Alexander Thomasian:
Analysis of a Threshold Policy for Scheduling Readers and Writers. SIGMETRICS 1989: 237 - 1987
- [j7]In Kyung Ryu, Alexander Thomasian:
Performance Analysis of Centralized Databases with Optimistic Concurrency Control. Perform. Evaluation 7(3): 195-211 (1987) - [c16]Alexander Thomasian:
A Performance Study of Dynamic Load Balancing in Distributed Systems. ICDCS 1987: 178-184 - 1986
- [j6]Alexander Thomasian, Paul F. Bay:
Analytic Queueing Network Models for Parallel Processing of Task Systems. IEEE Trans. Computers 35(12): 1045-1054 (1986) - [c15]In Kyung Ryu, Alexander Thomasian:
Performance Analysis of Dynamic Locking. FJCC 1986: 698-707 - [c14]Philip S. Yu, Douglas W. Cornell, Daniel M. Dias, Alexander Thomasian:
On Coupling Partitioned Database Systems. ICDCS 1986: 148-157 - 1985
- [j5]Alexander Thomasian:
Performance Evaluation of Centralized Databases with Static Locking. IEEE Trans. Software Eng. 11(4): 346-355 (1985) - [j4]Alexander Thomasian, Paul F. Bay:
Integrated Performance Models for Distributed Processing in Computer Communication Networks. IEEE Trans. Software Eng. 11(10): 1203-1216 (1985) - [c13]Alexander Thomasian, Paul F. Bay:
Performance Analysis of Task Systems Using a Queueing Network Model. PNPM 1985: 234-242 - [c12]Alexander Thomasian, In Kyung Ryu:
Analysis of Some Optimistic Concurrency Control Schemes Based on Certification. SIGMETRICS 1985: 192-203 - 1984
- [j3]Alexander Thomasian, Paul F. Bay:
Analytic solution of an integrated performance model of a computer communication network with window flow control. Comput. Commun. Rev. 14(2): 225-232 (1984) - [j2]Alexander Thomasian, Kameshwar Gargeya:
Speeding up Computer System Simulations Using Hierarchical Modeling. SIGMETRICS Perform. Evaluation Rev. 12(4): 34-39 (1984) - [c11]Alexander Thomasian, Kameshwar Gargeya:
Speeding up Computer System Simulations Using Hierarchical Modeling. Int. CMG Conference 1984: 845-850 - [c10]Alexander Thomasian, Paul F. Bay:
Analysis of an Integrated Queuing Model of a Computer Communication Network. ICDCS 1984: 213-222 - [c9]Alexander Thomasian, Paul F. Bay:
Performance Analysis of Window Flow Control for Multiple Virtual Routes. INFOCOM 1984: 69-80 - [c8]Alexander Thomasian, Paul F. Bay:
Analysis of Queueing Network Models with Population Size Constraints and Delayed Blocked Customers. SIGMETRICS 1984: 202-216 - 1983
- [c7]Alexander Thomasian, Paul F. Bay:
Performance Characteristics of Batch Workloads Executing on Multiprogrammed Computer Systems. Int. CMG Conference 1983: 135-141 - [c6]Alexander Thomasian, Paul F. Bay:
Queueing Network Models for Parallel Processing of Task Systems. ICPP 1983: 421-428 - [c5]Alexander Thomasian:
Queueing Network Models to Estimate Serialization Delays in Computer Systems. Performance 1983: 61-81 - [c4]