Combining Multiple Strategies for Effective Monolingual and Cross-Language Retrieval
Information Retrieval
Searching in Medline: Query expansion and manual indexing evaluation
Information Processing and Management: an International Journal
Stemming Approaches for East European Languages
Advances in Multilingual and Multimodal Information Retrieval
Domain-Specific IR for German, English and Russian Languages
Advances in Multilingual and Multimodal Information Retrieval
The domain-specific track at CLEF 2008
CLEF'08 Proceedings of the 9th Cross-language evaluation forum conference on Evaluating systems for multilingual and multimodal information access
The domain-specific track at CLEF 2008
CLEF'08 Proceedings of the 9th Cross-language evaluation forum conference on Evaluating systems for multilingual and multimodal information access
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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 tfċidf vector-processing scheme.