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SIGIR
2008
ACM
13 years 7 months ago
Detecting synonyms in social tagging systems to improve content retrieval
Collaborative tagging used in online social content systems is naturally characterized by many synonyms, causing low precision retrieval. We propose a mechanism based on user pref...
Maarten Clements, Arjen P. de Vries, Marcel J. T. ...
CLEF
2006
Springer
13 years 11 months ago
ImageCLEF 2006 Experiments at the Chemnitz Technical University
We present a report about our participation in the ImageCLEF photo task 2006 and a short description of our new framework for future use in further CLEF participations....
Thomas Wilhelm, Maximilian Eibl
CLEF
2009
Springer
13 years 8 months ago
Multilingual Query Expansion for CLEF Adhoc-TEL
In this paper we will briefly describe the approaches taken by the Cheshire (Berkeley) Group for the CLEF Adhoc-TEL 2009 tasks (Mono and Bilingual retrieval). Recognizing that man...
Ray R. Larson
ICEIS
2009
IEEE
14 years 2 months ago
Creation and Maintenance of Query Expansion Rules
In an information retrieval system, a thesaurus can be used for query expansion, i.e. adding words to queries in order to improve recall. We propose a semi-automatic and interactiv...
Stefania Castellani, Aaron N. Kaplan, Fréd&...
CLEF
2008
Springer
13 years 9 months ago
Assessing the Impact of Thesaurus-Based Expansion Techniques in QA-Centric IR
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...
Luís Sarmento, Jorge Teixeira, Eugén...