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» Language model for IR using collection information
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SIGIR
2005
ACM
14 years 2 months ago
A study of the dirichlet priors for term frequency normalisation
In Information Retrieval (IR), the Dirichlet Priors have been applied to the smoothing technique of the language modeling approach. In this paper, we apply the Dirichlet Priors to...
Ben He, Iadh Ounis
CLEF
2007
Springer
14 years 2 months ago
Stemming Approaches for East European Languages
In our participation in this CLEF evaluation campaign, the first objective is to propose and evaluate various indexing and search strategies for the Czech language in order to hop...
Ljiljana Dolamic, Jacques Savoy
SIGIR
2002
ACM
13 years 8 months ago
Effective collection metasearch in a hierarchical environment: global vs. localized retrieval performance
We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retriev...
Jack G. Conrad, Changwen Yang, Joanne S. Claussen
CLEF
2009
Springer
13 years 9 months ago
CLEF 2009 Ad Hoc Track Overview: Robust-WSD Task
Abstract. The Robust-WSD at CLEF 2009 aims at exploring the contribution of Word Sense Disambiguation to monolingual and multilingual Information Retrieval. The organizers of the t...
Eneko Agirre, Giorgio Maria Di Nunzio, Thomas Mand...
CLEF
2004
Springer
14 years 7 days ago
Searching a Russian Document Collection Using English, Chinese and Japanese Queries
As in CLEF 2003, Berkeley experimented with the CLEF Russian Izvestia document collection with monolingual and bilingual runs for the Russian collection. For CLEF 2004 we also expe...
Fredric C. Gey