2009 | OriginalPaper | Buchkapitel
UniNE at Domain-Specific IR - CLEF 2008
verfasst von : Claire Fautsch, Ljiljana Dolamic, Jacques Savoy
Erschienen in: Evaluating Systems for Multilingual and Multimodal Information Access
Verlag: Springer Berlin Heidelberg
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Our first objective in participating in this domain-specific evaluation campaign is to propose and evaluate various indexing and search strategies for the German, English and Russian languages, and thus obtain retrieval effectiveness superior to that of language-independent approaches (
n
-gram). To do so we evaluated the GIRT-4 test-collection using the Okapi model, various IR models based on the Divergence from Randomness (DFR) paradigm, the statistical language model (LM) together with the classical
tf
·
idf
vector-processing scheme.