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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

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What Happened in CLEF 2009
Carol Peters

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CLEF 2009 Ad Hoc Track Overview: TEL and Persian Tasks
Nicola Ferro | Carol Peters

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CLEF 2009 Ad Hoc Track Overview: Robust-WSD Task
Eneko Agirre | Giorgio Maria Di Nunzio | Thomas Mandl | Arantxa Otegi

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Evaluating Cross-Language Explicit Semantic Analysis and Cross Querying
Maik Anderka | Nedim Lipka | Benno Stein

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Document Expansion, Query Translation and Language Modeling for Ad-Hoc IR
Johannes Leveling | Dong Zhou | Gareth J. F. Jones | Vincent Wade

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Smoothing Methods and Cross-Language Document Re-ranking
Dong Zhou | Vincent Wade

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Cross-Language Information Retrieval Using Meta-language Index Construction and Structural Queries
Amir Hossein Jadidinejad | Fariborz Mahmoudi

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Sampling Precision to Depth 10000 at CLEF 2009
Stephen Tomlinson

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Multilingual Query Expansion for CLEF Adhoc-TEL
Ray R. Larson

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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)
Jorge Machado | Bruno Martins | José Borbinha

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Evaluation of Perstem: A Simple and Efficient Stemming Algorithm for Persian
Amir Hossein Jadidinejad | Fariborz Mahmoudi | Jon Dehdari

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Ad Hoc Retrieval with the Persian Language
Ljiljana Dolamic | Jacques Savoy

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Ad Hoc Information Retrieval for Persian
AmirHossein Habibian | Abolfazl AleAhmad | Azadeh Shakery

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Combining Probabilistic and Translation-Based Models for Information Retrieval Based on Word Sense Annotations
Elisabeth Wolf | Delphine Bernhard | Iryna Gurevych

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Indexing with WordNet Synonyms May Improve Retrieval Results
Davide Buscaldi | Paolo Rosso

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UFRGS@CLEF2009: Retrieval by Numbers
Thyago Bohrer Borges | Viviane Pereira Moreira

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Evaluation of Axiomatic Approaches to Crosslanguage Retrieval
Roman Kern | Andreas Juffinger | Michael Granitzer

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UNIBA-SENSE @ CLEF 2009: Robust WSD Task
Pierpaolo Basile | Annalina Caputo | Giovanni Semeraro

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Using WordNet Relations and Semantic Classes in Information Retrieval Tasks
Javi Fernández | Rubén Izquierdo | José Manuel Gómez Soriano

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Using Semantic Relatedness and Word Sense Disambiguation for (CL)IR
Eneko Agirre | Arantxa Otegi | Hugo Zaragoza

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Overview of ResPubliQA 2009: Question Answering Evaluation over European Legislation
Anselmo Peñas | Pamela Forner | Richard F. E. Sutcliffe | Álvaro Rodrigo | Corina Forascu | Iñaki Alegria | Danilo Giampiccolo | Nicolas Moreau | Petya Osenova

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Overview of QAST 2009
Jordi Turmo | Pere Comas | Sophie Rosset | Olivier Galibert | Nicolas Moreau | Djamel Mostefa | Paolo Rosso | Davide Buscaldi

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GikiCLEF: Expectations and Lessons Learned
Diana Santos | Luís Miguel Cabral

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NLEL-MAAT at ResPubliQA
Santiago Correa | Davide Buscaldi | Paolo Rosso

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Question Answering on English and Romanian Languages
Adrian Iftene | Diana Trandabat | Mihai Alex Moruz | Ionut Pistol | Maria Husarciuc | Dan Cristea

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Studying Syntactic Analysis in a QA System: FIDJI @ ResPubliQA'09
Xavier Tannier | Véronique Moriceau

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Approaching Question Answering by Means of Paragraph Validation
Álvaro Rodrigo | Joaquín Pérez-Iglesias | Anselmo Peñas | Guillermo Garrido | Lourdes Araujo

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Information Retrieval Baselines for the ResPubliQA Task
Joaquín Pérez-Iglesias | Guillermo Garrido | Álvaro Rodrigo | Lourdes Araujo | Anselmo Peñas

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A Trainable Multi-factored QA System
Radu Ion | Dan Stefanescu | Alexandru Ceausu | Dan Tufis | Elena Irimia | Verginica Barbu Mititelu

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Extending a Logic-Based Question Answering System for Administrative Texts
Ingo Glöckner | Björn Pelzer

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Elhuyar-IXA: Semantic Relatedness and Cross-Lingual Passage Retrieval
Eneko Agirre | Olatz Ansa | Xabier Arregi | Maddalen Lopez de Lacalle | Arantxa Otegi | Xabier Saralegi | Hugo Zaragoza

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Are Passages Enough? The MIRACLE Team Participation in QA@CLEF2009
Maria Teresa Vicente-Díez | César de Pablo-Sánchez | Paloma Martínez | Julián Moreno Schneider | Marta Garrote Salazar

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The LIMSI Participation in the QAst 2009 Track: Experimenting on Answer Scoring
Guillaume Bernard | Sophie Rosset | Olivier Galibert | Gilles Adda | Éric Bilinski

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Robust Question Answering for Speech Transcripts: UPC Experience in QAst 2009
Pere Comas | Jordi Turmo

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Where in the Wikipedia Is That Answer? The XLDB at the GikiCLEF 2009 Task
Nuno Cardoso | David S. Batista | Francisco J. López-Pellicer | Mário J. Silva

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Recursive Question Decomposition for Answering Complex Geographic Questions
Sven Hartrumpf | Johannes Leveling

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GikiCLEF Topics and Wikipedia Articles: Did They Blend?
Nuno Cardoso

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TALP at GikiCLEF 2009
Daniel Ferrés | Horacio Rodríguez

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Semantic QA for Encyclopaedic Questions: EQUAL in GikiCLEF
Iustin Dornescu

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Interactive Probabilistic Search for GikiCLEF
Ray R. Larson

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Information Filtering Evaluation: Overview of CLEF 2009 INFILE Track
Romaric Besançon | Stéphane Chaudiron | Djamel Mostefa | Ismaïl Timimi | Khalid Choukri | Meriama Laïb

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Batch Document Filtering Using Nearest Neighbor Algorithm
Ali Mustafa Qamar | Éric Gaussier | Nathalie Denos

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UAIC: Participation in INFILE@CLEF Task
Cristian-Alexandru Dragusanu | Alecsandru Grigoriu | Adrian Iftene

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Multilingual Information Filtering by Human Plausible Reasoning
Asma Damankesh | Farhad Oroumchian | Khaled Shaalan

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Hossur'Tech's Participation in CLEF 2009 INFILE Interactive Filtering
John Anton Chrisostom Ronald | Aurélie Rossi | Christian Fluhr

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Experiments with Google News for Filtering Newswire Articles
Arturo Montejo-Ráez | José M. Perea-Ortega | Manuel Carlos Díaz-Galiano | Luis Alfonso Ureña López

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CLEF-IP 2009: Retrieval Experiments in the Intellectual Property Domain
Giovanna Roda | John Tait | Florina Piroi | Veronika Zenz

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Exploring Structured Documents and Query Formulation Techniques for Patent Retrieval
Walid Magdy | Johannes Leveling | Gareth J. F. Jones

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Formulating Good Queries for Prior Art Search
José Carlos Toucedo | David E. Losada

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UAIC: Participation in CLEF-IP Track
Adrian Iftene | Ovidiu Ionescu | George-Razvan Oancea

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PATATRAS: Retrieval Model Combination and Regression Models for Prior Art Search
Patrice Lopez | Laurent Romary

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NLEL-MAAT at CLEF-IP
Santiago Correa | Davide Buscaldi | Paolo Rosso

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Simple Pre and Post Processing Strategies for Patent Searching in CLEF Intellectual Property Track 2009
Julien Gobeill | Emilie Pasche | Douglas Teodoro | Patrick Ruch

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Prior Art Search Using International Patent Classification Codes and All-Claims-Queries
Benjamin Herbert | György Szarvas | Iryna Gurevych

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UTA and SICS at CLEF-IP'09
Antti Järvelin | Anni Järvelin | Preben Hansen

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Searching CLEF-IP by Strategy
Wouter Alink | Roberto Cornacchia | Arjen P. de Vries

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UniNE at CLEF-IP 2009
Claire Fautsch | Jacques Savoy

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Automatically Generating Queries for Prior Art Search
Erik Graf | Leif Azzopardi | Keith van Rijsbergen

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Patent Retrieval Experiments in the Context of the CLEF IP Track 2009
Daniela Becks | Christa Womser-Hacker | Thomas Mandl | Ralph Kölle

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Prior Art Retrieval Using the Claims Section as a Bag of Words
Suzan Verberne | Eva D'hondt

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UniGE Experiments on Prior Art Search in the Field of Patents
Jacques Guyot | Gilles Falquet | Karim Benzineb

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LogCLEF 2009: The CLEF 2009 Multilingual Logfile Analysis Track Overview
Thomas Mandl | Maristella Agosti | Giorgio Maria Di Nunzio | Alexander S. Yeh | Inderjeet Mani | Christine Doran | Julia Maria Schulz

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Identifying Common User Behaviour in Multilingual Search Logs
M. Rami Ghorab | Johannes Leveling | Dong Zhou | Gareth J. F. Jones | Vincent Wade

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A Search Engine Based on Query Logs, and Search Log Analysis by Automatic Language Identification
Michael P. Oakes | Yan Xu

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Identifying Geographical Entities in Users' Queries
Adrian Iftene

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Search Path Visualization and Session Performance Evaluation with Log Files
Katrin Lamm | Thomas Mandl | Ralph Kölle

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User Logs as a Means to Enrich and Refine Translation Dictionaries
Alessio Bosca | Luca Dini

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CLEF 2009: Grid@CLEF Pilot Track Overview
Nicola Ferro | Donna Harman

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Decomposing Text Processing for Retrieval: Cheshire Tries GRID@CLEF
Ray R. Larson

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Putting It All Together: The Xtrieval Framework at Grid@CLEF 2009
Jens Kürsten | Maximilian Eibl

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Overview and Results of Morpho Challenge 2009
Mikko Kurimo | Sami Virpioja | Ville T. Turunen | Graeme W. Blackwood | William Byrne

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MorphoNet: Exploring the Use of Community Structure for Unsupervised Morpheme Analysis
Delphine Bernhard

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Unsupervised Morpheme Analysis with Allomorfessor
Sami Virpioja | Oskar Kohonen | Krista Lagus

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Unsupervised Morphological Analysis by Formal Analogy
Jean-François Lavallée | Philippe Langlais

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Unsupervised Word Decomposition with the Promodes Algorithm
Sebastian Spiegler | Bruno Golénia | Peter A. Flach

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Unsupervised Morpheme Discovery with Ungrade
Bruno Golénia | Sebastian Spiegler | Peter A. Flach

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Clustering Morphological Paradigms Using Syntactic Categories
Burcu Can | Suresh Manandhar

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Simulating Morphological Analyzers with Stochastic Taggers for Confidence Estimation
Christian Monson | Kristy Hollingshead | Brian Roark

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A Rule-Based Acquisition Model Adapted for Morphological Analysis
Constantine Lignos | Erwin Chan | Mitchell P. Marcus | Charles Yang

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Morphological Analysis by Multiple Sequence Alignment
Tzvetan Tchoukalov | Christian Monson | Brian Roark