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CLEF 2009: Corfu, Greece
- Carol Peters, Giorgio Maria Di Nunzio, Mikko Kurimo, Thomas Mandl, Djamel Mostefa, Anselmo Peñas

, Giovanna Roda:
Multilingual Information Access Evaluation I. Text Retrieval Experiments, 10th Workshop of the Cross-Language Evaluation Forum, CLEF 2009, Corfu, Greece, September 30 - October 2, 2009, Revised Selected Papers. Lecture Notes in Computer Science 6241, Springer 2010, ISBN 978-3-642-15753-0 - Carol Peters:

What Happened in CLEF 2009. 1-12
I: Multilingual Textual Document Retrieval (AdHoc)
- Nicola Ferro

, Carol Peters:
CLEF 2009 Ad Hoc Track Overview: TEL and Persian Tasks. 13-35 - Eneko Agirre

, Giorgio Maria Di Nunzio
, Thomas Mandl
, Arantxa Otegi
:
CLEF 2009 Ad Hoc Track Overview: Robust-WSD Task. 36-49
AdHoc-TEL
- Maik Anderka, Nedim Lipka, Benno Stein:

Evaluating Cross-Language Explicit Semantic Analysis and Cross Querying. 50-57 - Johannes Leveling

, Dong Zhou, Gareth J. F. Jones
, Vincent Wade:
Document Expansion, Query Translation and Language Modeling for Ad-Hoc IR. 58-61 - Dong Zhou, Vincent Wade:

Smoothing Methods and Cross-Language Document Re-ranking. 62-69 - Amir Hossein Jadidinejad, Fariborz Mahmoudi:

Cross-Language Information Retrieval Using Meta-language Index Construction and Structural Queries. 70-77 - Stephen Tomlinson:

Sampling Precision to Depth 10000 at CLEF 2009. 78-85 - Ray R. Larson:

Multilingual Query Expansion for CLEF Adhoc-TEL. 86-89 - Jorge Machado

, Bruno Martins
, José Borbinha
:
Experiments with N-Gram Prefixes on a Multinomial Language Model versus Lucene's Off-the-Shelf Ranking Scheme and Rocchio Query Expansion (TEL@CLEF Monolingual Task). 90-97
AdHoc-Persian
- Amir Hossein Jadidinejad, Fariborz Mahmoudi, Jon Dehdari:

Evaluation of Perstem: A Simple and Efficient Stemming Algorithm for Persian. 98-101 - Ljiljana Dolamic, Jacques Savoy:

Ad Hoc Retrieval with the Persian Language. 102-109 - AmirHossein Habibian, Abolfazl AleAhmad, Azadeh Shakery:

Ad Hoc Information Retrieval for Persian. 110-119
AdHoc-Robust
- Elisabeth Wolf, Delphine Bernhard, Iryna Gurevych:

Combining Probabilistic and Translation-Based Models for Information Retrieval Based on Word Sense Annotations. 120-127 - Davide Buscaldi, Paolo Rosso:

Indexing with WordNet Synonyms May Improve Retrieval Results. 128-134 - Thyago Bohrer Borges, Viviane Pereira Moreira

:
UFRGS@CLEF2009: Retrieval by Numbers. 135-141 - Roman Kern

, Andreas Juffinger, Michael Granitzer
:
Evaluation of Axiomatic Approaches to Crosslanguage Retrieval. 142-149 - Pierpaolo Basile

, Annalina Caputo, Giovanni Semeraro
:
UNIBA-SENSE @ CLEF 2009: Robust WSD Task. 150-157 - Javi Fernández

, Rubén Izquierdo, José Manuel Gómez Soriano:
Using WordNet Relations and Semantic Classes in Information Retrieval Tasks. 158-165 - Eneko Agirre

, Arantxa Otegi
, Hugo Zaragoza:
Using Semantic Relatedness and Word Sense Disambiguation for (CL)IR. 166-173
II: Multiple Language Question Answering (QA@CLEF)
- Anselmo Peñas

, Pamela Forner, Richard F. E. Sutcliffe, Álvaro Rodrigo, Corina Forascu, Iñaki Alegria, Danilo Giampiccolo, Nicolas Moreau, Petya Osenova:
Overview of ResPubliQA 2009: Question Answering Evaluation over European Legislation. 174-196 - Jordi Turmo, Pere Comas, Sophie Rosset, Olivier Galibert, Nicolas Moreau, Djamel Mostefa, Paolo Rosso, Davide Buscaldi:

Overview of QAST 2009. 197-211 - Diana Santos, Luís Miguel Cabral:

GikiCLEF: Expectations and Lessons Learned. 212-222
ResPubliQA
- Santiago Correa, Davide Buscaldi, Paolo Rosso:

NLEL-MAAT at ResPubliQA. 223-228 - Adrian Iftene

, Diana Trandabat
, Mihai Alex Moruz, Ionut Pistol
, Maria Husarciuc, Dan Cristea:
Question Answering on English and Romanian Languages. 229-236 - Xavier Tannier, Véronique Moriceau:

Studying Syntactic Analysis in a QA System: FIDJI @ ResPubliQA'09. 237-244 - Álvaro Rodrigo, Joaquín Pérez-Iglesias, Anselmo Peñas

, Guillermo Garrido, Lourdes Araujo
:
Approaching Question Answering by Means of Paragraph Validation. 245-252 - Joaquín Pérez-Iglesias, Guillermo Garrido, Álvaro Rodrigo, Lourdes Araujo

, Anselmo Peñas
:
Information Retrieval Baselines for the ResPubliQA Task. 253-256 - Radu Ion

, Dan Stefanescu, Alexandru Ceausu, Dan Tufis, Elena Irimia, Verginica Barbu Mititelu
:
A Trainable Multi-factored QA System. 257-264 - Ingo Glöckner, Björn Pelzer:

Extending a Logic-Based Question Answering System for Administrative Texts. 265-272 - Eneko Agirre

, Olatz Ansa
, Xabier Arregi, Maddalen Lopez de Lacalle, Arantxa Otegi
, Xabier Saralegi, Hugo Zaragoza:
Elhuyar-IXA: Semantic Relatedness and Cross-Lingual Passage Retrieval. 273-280 - Maria Teresa Vicente-Díez, César de Pablo-Sánchez, Paloma Martínez, Julián Moreno Schneider, Marta Garrote Salazar

:
Are Passages Enough? The MIRACLE Team Participation in QA@CLEF2009. 281-288
QAST
- Guillaume Bernard, Sophie Rosset, Olivier Galibert, Gilles Adda, Éric Bilinski:

The LIMSI Participation in the QAst 2009 Track: Experimenting on Answer Scoring. 289-296 - Pere Comas, Jordi Turmo:

Robust Question Answering for Speech Transcripts: UPC Experience in QAst 2009. 297-304
GikiCLEF
- Nuno Cardoso, David S. Batista

, Francisco J. López-Pellicer
, Mário J. Silva
:
Where in the Wikipedia Is That Answer? The XLDB at the GikiCLEF 2009 Task. 305-309 - Sven Hartrumpf, Johannes Leveling

:
Recursive Question Decomposition for Answering Complex Geographic Questions. 310-317 - Nuno Cardoso:

GikiCLEF Topics and Wikipedia Articles: Did They Blend? 318-321 - Daniel Ferrés

, Horacio Rodríguez:
TALP at GikiCLEF 2009. 322-325 - Iustin Dornescu:

Semantic QA for Encyclopaedic Questions: EQUAL in GikiCLEF. 326-333 - Ray R. Larson:

Interactive Probabilistic Search for GikiCLEF. 334-341
III: Multilingual Information Filtering (INFILE)
- Romaric Besançon, Stéphane Chaudiron, Djamel Mostefa, Ismaïl Timimi, Khalid Choukri, Meriama Laïb:

Information Filtering Evaluation: Overview of CLEF 2009 INFILE Track. 342-353 - Ali Mustafa Qamar

, Éric Gaussier, Nathalie Denos:
Batch Document Filtering Using Nearest Neighbor Algorithm. 354-361 - Cristian-Alexandru Dragusanu, Alecsandru Grigoriu, Adrian Iftene

:
UAIC: Participation in INFILE@CLEF Task. 362-365 - Asma Damankesh, Farhad Oroumchian

, Khaled Shaalan
:
Multilingual Information Filtering by Human Plausible Reasoning. 366-373 - John Anton Chrisostom Ronald, Aurélie Rossi, Christian Fluhr:

Hossur'Tech's Participation in CLEF 2009 INFILE Interactive Filtering. 374-380 - Arturo Montejo-Ráez

, José M. Perea-Ortega
, Manuel Carlos Díaz-Galiano
, Luis Alfonso Ureña López
:
Experiments with Google News for Filtering Newswire Articles. 381-384
IV: Intellectual Property (CLEF-IP)
- Giovanna Roda, John Tait, Florina Piroi

, Veronika Zenz:
CLEF-IP 2009: Retrieval Experiments in the Intellectual Property Domain. 385-409 - Walid Magdy

, Johannes Leveling
, Gareth J. F. Jones
:
Exploring Structured Documents and Query Formulation Techniques for Patent Retrieval. 410-417 - José Carlos Toucedo, David E. Losada

:
Formulating Good Queries for Prior Art Search. 418-425 - Adrian Iftene

, Ovidiu Ionescu, George-Razvan Oancea:
UAIC: Participation in CLEF-IP Track. 426-429 - Patrice Lopez, Laurent Romary

:
PATATRAS: Retrieval Model Combination and Regression Models for Prior Art Search. 430-437 - Santiago Correa, Davide Buscaldi, Paolo Rosso:

NLEL-MAAT at CLEF-IP. 438-443 - Julien Gobeill, Emilie Pasche

, Douglas Teodoro
, Patrick Ruch:
Simple Pre and Post Processing Strategies for Patent Searching in CLEF Intellectual Property Track 2009. 444-451 - Benjamin Herbert, György Szarvas, Iryna Gurevych:

Prior Art Search Using International Patent Classification Codes and All-Claims-Queries. 452-459 - Antti Järvelin, Anni Järvelin, Preben Hansen

:
UTA and SICS at CLEF-IP'09. 460-467 - Wouter Alink, Roberto Cornacchia, Arjen P. de Vries

:
Searching CLEF-IP by Strategy. 468-475 - Claire Fautsch, Jacques Savoy:

UniNE at CLEF-IP 2009. 476-479 - Erik Graf, Leif Azzopardi, Keith van Rijsbergen:

Automatically Generating Queries for Prior Art Search. 480-490 - Daniela Becks, Christa Womser-Hacker, Thomas Mandl

, Ralph Kölle:
Patent Retrieval Experiments in the Context of the CLEF IP Track 2009. 491-496 - Suzan Verberne

, Eva D'hondt:
Prior Art Retrieval Using the Claims Section as a Bag of Words. 497-501 - Jacques Guyot, Gilles Falquet, Karim Benzineb:

UniGE Experiments on Prior Art Search in the Field of Patents. 502-507
V: Logfile Analysis (LogCLEF)
- Thomas Mandl

, Maristella Agosti
, Giorgio Maria Di Nunzio
, Alexander S. Yeh, Inderjeet Mani, Christine Doran, Julia Maria Schulz
:
LogCLEF 2009: The CLEF 2009 Multilingual Logfile Analysis Track Overview. 508-517 - M. Rami Ghorab, Johannes Leveling

, Dong Zhou, Gareth J. F. Jones
, Vincent Wade:
Identifying Common User Behaviour in Multilingual Search Logs. 518-525 - Michael P. Oakes

, Yan Xu:
A Search Engine Based on Query Logs, and Search Log Analysis by Automatic Language Identification. 526-533 - Adrian Iftene

:
Identifying Geographical Entities in Users' Queries. 534-537 - Katrin Lamm, Thomas Mandl

, Ralph Kölle:
Search Path Visualization and Session Performance Evaluation with Log Files. 538-543 - Alessio Bosca, Luca Dini:

User Logs as a Means to Enrich and Refine Translation Dictionaries. 544-551
VI: Grid Experiments (GRID@CLEF)
- Nicola Ferro

, Donna Harman:
CLEF 2009: Grid@CLEF Pilot Track Overview. 552-565 - Ray R. Larson:

Decomposing Text Processing for Retrieval: Cheshire Tries GRID@CLEF. 566-569 - Jens Kürsten, Maximilian Eibl:

Putting It All Together: The Xtrieval Framework at Grid@CLEF 2009. 570-577
VII: Morphochallenge
- Mikko Kurimo, Sami Virpioja

, Ville T. Turunen, Graeme W. Blackwood, William Byrne:
Overview and Results of Morpho Challenge 2009. 578-597 - Delphine Bernhard:

MorphoNet: Exploring the Use of Community Structure for Unsupervised Morpheme Analysis. 598-608 - Sami Virpioja

, Oskar Kohonen, Krista Lagus:
Unsupervised Morpheme Analysis with Allomorfessor. 609-616 - Jean-François Lavallée, Philippe Langlais:

Unsupervised Morphological Analysis by Formal Analogy. 617-624 - Sebastian Spiegler, Bruno Golénia, Peter A. Flach

:
Unsupervised Word Decomposition with the Promodes Algorithm. 625-632 - Bruno Golénia, Sebastian Spiegler, Peter A. Flach

:
Unsupervised Morpheme Discovery with Ungrade. 633-640 - Burcu Can

, Suresh Manandhar:
Clustering Morphological Paradigms Using Syntactic Categories. 641-648 - Christian Monson, Kristy Hollingshead, Brian Roark:

Simulating Morphological Analyzers with Stochastic Taggers for Confidence Estimation. 649-657 - Constantine Lignos

, Erwin Chan, Mitchell P. Marcus, Charles Yang:
A Rule-Based Acquisition Model Adapted for Morphological Analysis. 658-665 - Tzvetan Tchoukalov, Christian Monson, Brian Roark:

Morphological Analysis by Multiple Sequence Alignment. 666-673

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