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CLEF
2010
Springer
15 years 7 months ago
Overview of the Wikipedia Retrieval Task at ImageCLEF 2010
ImageCLEF's Wikipedia Retrieval task provides a testbed for the system-oriented evaluation of multimedia information retrieval from a collection of Wikipedia images. The aim i...
Adrian Popescu, Theodora Tsikrika, Jana Kludas
ECIS
2001
15 years 7 months ago
Information markets to improve information value and utilisation
The Internet and Intranet reduce much of the costs of information sharing, but they do not solve receivers' reading and interpretation limitations. Alternatively, browsers an...
Fons Wijnhoven
CLEF
2005
Springer
15 years 11 months ago
Using the X-IOTA System in Mono- and Bilingual Experiments at CLEF 2005
This document describes the CLIPS experiments in the CLEF 2005 campaign. We used a surface-syntactic parser in order to extract new indexing terms. These terms are considered synta...
Loïc Maisonnasse, Gilles Sérasset, Jea...
SIGIR
2003
ACM
15 years 11 months ago
Investigating the relationship between language model perplexity and IR precision-recall measures
An empirical study has been conducted investigating the relationship between the performance of a generative language model in terms of perplexity and the corresponding informatio...
Leif Azzopardi, Mark Girolami, Keith van Rijsberge...
SIGIR
2011
ACM
14 years 8 months ago
Ad hoc IR: not much room for improvement
Ranking function performance reached a plateau in 1994. The reason for this is investigated. First the performance of BM25 is measured as the proportion of queries satisfied on th...
Andrew Trotman, David Keeler