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CLEF 2005: Ad Hoc Track Overview [chapter]

Giorgio M. Di Nunzio, Nicola Ferro, Gareth J. F. Jones, Carol Peters
2006 Lecture Notes in Computer Science  
We describe the objectives and organization of the CLEF 2007 ad hoc track and discuss the main characteristics of the tasks offered to test monolingual and cross-language textual document retrieval systems  ...  These experiments re-used CLEF test collections from previous years in three languages (English, French, and Portuguese).  ...  Conclusions We have reported the results of the ad hoc cross-language textual document retrieval track at CLEF 2007.  ... 
doi:10.1007/11878773_2 fatcat:dtgh6jjcejbsrf6hqrlcf67vea

CLEF 2008: Ad Hoc Track Overview [chapter]

Eneko Agirre, Giorgio Maria Di Nunzio, Nicola Ferro, Thomas Mandl, Carol Peters
2009 Lecture Notes in Computer Science  
We describe the objectives and organization of the CLEF 2008 ad hoc track and discuss the main characteristics of the tasks offered to test monolingual and cross-language textual document retrieval systems  ...  The track was thus structured in three distinct streams denominated: TEL@CLEF, Persian@CLEF and Robust WSD. The results obtained for each task are presented and statistical analyses are given.  ...  Introduction The ad hoc retrieval track is generally considered to be the core track in the Cross-Language Evaluation Forum (CLEF).  ... 
doi:10.1007/978-3-642-04447-2_2 fatcat:tuhxz4wcwralxlmadn5ob7bloy

CLEF 2007: Ad Hoc Track Overview [chapter]

Giorgio M. Di Nunzio, Nicola Ferro, Thomas Mandl, Carol Peters
2008 Lecture Notes in Computer Science  
We describe the objectives and organization of the CLEF 2007 ad hoc track and discuss the main characteristics of the tasks offered to test monolingual and cross-language textual document retrieval systems  ...  These experiments re-used CLEF test collections from previous years in three languages (English, French, and Portuguese).  ...  Conclusions We have reported the results of the ad hoc cross-language textual document retrieval track at CLEF 2007.  ... 
doi:10.1007/978-3-540-85760-0_2 fatcat:ythemxmvdrcu3cffjer2rgrewa

CLEF 2006: Ad Hoc Track Overview [chapter]

Giorgio M. Di Nunzio, Nicola Ferro, Thomas Mandl, Carol Peters
2007 Lecture Notes in Computer Science  
We describe the objectives and organization of the CLEF 2008 ad hoc track and discuss the main characteristics of the tasks offered to test monolingual and cross-language textual document retrieval systems  ...  The track was thus structured in three distinct streams denominated: TEL@CLEF, Persian@CLEF and Robust WSD. The results obtained for each task are presented and statistical analyses are given.  ...  Introduction The ad hoc retrieval track is generally considered to be the core track in the Cross-Language Evaluation Forum (CLEF).  ... 
doi:10.1007/978-3-540-74999-8_3 fatcat:ecr3zp6knvdufijcylc36gdfvm

CLEF 2009 Ad Hoc Track Overview: Robust-WSD Task [chapter]

Eneko Agirre, Giorgio Maria Di Nunzio, Thomas Mandl, Arantxa Otegi
2010 Lecture Notes in Computer Science  
The Robust-WSD at CLEF 2009 aims at exploring the contribution of Word Sense Disambiguation to monolingual and multilingual Information Retrieval.  ...  It uses two languages often used in previous CLEF campaigns (English, Spanish). Documents were in English, and topics in both English and Spanish.  ...  The robust task ran for the fourth time at CLEF 2009. It is an Ad-Hoc retrieval task based on data of previous CLEF campaigns.  ... 
doi:10.1007/978-3-642-15754-7_3 fatcat:tu55tm66sfcqreutqul7xu576a

Overview of the CLEF 2005 Interactive Track [chapter]

Julio Gonzalo, Paul Clough, Alessandro Vallin
2006 Lecture Notes in Computer Science  
The CLEF Interactive Track (iCLEF) is devoted to the comparative study of userinclusive cross-language search strategies.  ...  In 2005, we have studied two cross-language search tasks: retrieval of answers and retrieval of annotated images.  ...  the CLEF-2005 CL-QA track.  ... 
doi:10.1007/11878773_30 fatcat:aynnw5nxrffkvhlkdvzgjyenea

The CLEF 2005 Cross–Language Image Retrieval Track [chapter]

Paul Clough, Henning Müller, Thomas Deselaers, Michael Grubinger, Thomas M. Lehmann, Jeffery Jensen, William Hersh
2006 Lecture Notes in Computer Science  
Four tasks were offered in the ImageCLEF track: a ad-hoc retrieval from an historic photographic collection, ad-hoc retrieval from a medical collection, an automatic image annotation task, and a user-centered  ...  The purpose of this paper is to outline efforts from the 2005 CLEF cross-language image retrieval campaign (ImageCLEF).  ...  Table 2 : 2 Ad hoc experiments listed by query language.  ... 
doi:10.1007/11878773_60 fatcat:tnktsl6hkbbupofowyjau6t3g4

AliQAn, Spanish QA System at CLEF-2005 [chapter]

S. Roger, S. Ferrández, A. Ferrández, J. Peral, F. Llopis, A. Aguilar, D. Tomás
2006 Lecture Notes in Computer Science  
This paper describes AliQAn, a monolingual open-domain Question Answering (QA) System developed in the Department of Language Processing and Information Systems at the University of Alicante for CLEF-2005  ...  For example, a question of type "ciudad (city)" the answer must be a hyponim of "ciudad (city)" in EuroWordNet. • Ad-hoc restrictions.  ...  Results This section describes some tables related with the results and the evaluation of our system in CLEF-2005.  ... 
doi:10.1007/11878773_51 fatcat:lij4qycsjrainn3eebjh5qfutu

GeoCLEF: The CLEF 2005 Cross-Language Geographic Information Retrieval Track Overview [chapter]

Fredric Gey, Ray Larson, Mark Sanderson, Hideo Joho, Paul Clough, Vivien Petras
2006 Lecture Notes in Computer Science  
GeoCLEF ran a regular track for the third time within the Cross Language Evaluation Forum (CLEF) 2008.  ...  GeoCLEF 2005 was run as a pilot track in 2005 and in since 2006, GeoCLEELF was has been a regular CLEF track.  ...  It is describes in a separate overview paper [11] . GeoCLEF 2008 Search Task The geographic search task is the main task of GeoCLEF and it is developed like the CLEF ad-hoc task.  ... 
doi:10.1007/11878773_101 fatcat:47huudmm3vhcnlua3ajo3og5la

Overview of the CLEF 2005 Multilingual Question Answering Track [chapter]

Alessandro Vallin, Bernardo Magnini, Danilo Giampiccolo, Lili Aunimo, Christelle Ayache, Petya Osenova, Anselmo Peñas, Maarten de Rijke, Bogdan Sacaleanu, Diana Santos, Richard Sutcliffe
2006 Lecture Notes in Computer Science  
We provide an overview of the 2005 QA track, detail the procedure followed to build the test sets and present a general analysis of the results.  ...  The general aim of the third CLEF Multilingual Question Answering Track was to set up a common and replicable evaluation framework to test both monolingual and cross-language Question Answering (QA) systems  ...  As said, in order to increase the overlap between the test sets of different target languages, this year a certain number of topics taken from the Ad-Hoc track at CLEF were assigned to each language and  ... 
doi:10.1007/11878773_36 fatcat:xmet2ayrajbllfv2w5azaq4wyu

European Ad Hoc Retrieval Experiments with Hummingbird SearchServerTM at CLEF 2005

Stephen Tomlinson
2005 Conference and Labs of the Evaluation Forum  
Hummingbird participated in the 4 monolingual information retrieval tasks (Bulgarian, French, Hungarian and Portuguese) of the Ad-Hoc Track of the Cross-Language Evaluation Forum (CLEF) 2005.  ...  In the ad hoc retrieval tasks, the system was given 50 natural language queries, and the goal was to find all of the relevant documents (with high precision) in a particular document set.  ...  2005 Ad-Hoc Track test collections.  ... 
dblp:conf/clef/Tomlinson05c fatcat:4gtxh3lyarbqpmwbh5pbvtkxhq

Overview of the CLEF-2005 Cross-Language Speech Retrieval Track [chapter]

Ryen W. White, Douglas W. Oard, Gareth J. F. Jones, Dagobert Soergel, Xiaoli Huang
2006 Lecture Notes in Computer Science  
The task for the CLEF-2005 cross-language speech retrieval track was to identify topically c English interviews in a known-boundary condition.  ...  Three factors came together to make the CLEF 2005 CL-SR track possible.  ...  This yielded a test collection with the same structure that is used for CLEF ad hoc tasks, thus facilitating application of existing ranked retrieval technology to this new task.  ... 
doi:10.1007/11878773_82 fatcat:pqux4v3mefezta64hkzydj5dfe

Four Stemmers and a Funeral: Stemming in Hungarian at CLEF 2005 [chapter]

Anna Tordai, Maarten de Rijke
2006 Lecture Notes in Computer Science  
We developed algorithmic stemmers for Hungarian and used them for the ad-hoc monolingual task for CLEF 2005. Our goal was to determine what degree of stemming is the most effective.  ...  For more information on the ad-hoc track and the collection see [2, 10]. The document collection was encoded in UTF-8.  ...  Introduction In our participation in the CLEF ad-hoc task this year, we focused exclusively on monolingual retrieval for Hungarian.  ... 
doi:10.1007/11878773_20 fatcat:3zhihr4lvndcxie3finabfgmzi

MIRACLE at Ad-Hoc CLEF 2005: Merging and Combining Without Using a Single Approach [chapter]

José M. Goñi-Menoyo, José C. González-Cristóbal, Julio Villena-Román
2006 Lecture Notes in Computer Science  
This paper presents the 2005 Miracle's team approach to the Ad-Hoc Information Retrieval tasks.  ...  In both cross-lingual tracks, we have used available translation resources, and in some cases we have used a combination approach.  ...  Details of the documents collections and the tasks can be found in the introduction [8] and track overview [6] papers.  ... 
doi:10.1007/11878773_4 fatcat:xtxs6lxtvjfefn5s53xr4orkcy

European Web Retrieval Experiments with Hummingbird SearchServer™ at CLEF 2005

Stephen Tomlinson
2005 Conference and Labs of the Evaluation Forum  
Hummingbird participated in the mixed monolingual retrieval task of the WebCLEF Track of the Cross-Language Evaluation Forum (CLEF) 2005.  ...  More details on the mixed monolingual task are in the track overview paper [9] .  ...  An experimental measure introduced in this paper (along with the companion ad hoc retrieval paper [11] ) is "First Relevant Score" (denoted "FRS").  ... 
dblp:conf/clef/Tomlinson05d fatcat:t2eky77lcbd2vhnzuleqxjfz6a
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