In this year’s participation we continued to evaluate open source information retrieval software. We used mainly the system Lucene and experimented with some of the most effecti...
Abstract. We design and validate simulators for generating queries and relevance judgments for retrieval system evaluation. We develop a simulation framework that incorporates exis...
Bouke Huurnink, Katja Hofmann, Maarten de Rijke, M...
This paper reports on our participation in CLEF 2005‘s ad-hoc multi-lingual retrieval track. The ad-hoc task introduced Bulgarian and Hungarian as new languages. Our experiments...
This paper describes the participation of the Technical University of Catalonia in the CLEF 2009 Question Answering on Speech Transcripts track. We have participated in the Englis...
This paper presents the first participation of the University of Ottawa group in the Photo Retrieval task at Image CLEF 2008. Our system uses Lucene for text indexing and LIRE for ...