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Conference Papers Year : 2015

LaHC at CLEF 2015 SBS Lab

Abstract

This paper describes the work of the LaHC lab of Saint-´ Etienne for the Social Book Search lab at CLEF 2015. Our goals were i) to study a field-based retrieval model (BM25F), exploiting various topics and documents fields, in order to build a strong baseline for further experiments, ii) to compare it with a Log logistic (LGD) retrieval model, and iii) to exploit some documents related to each topic (i.e. the documents given as negative or positive examples for a topic). The official results show that LGD outperforms BM25F, and that our approaches exploiting documents related to the topic requesters are based on a different interpretation of this additional information than the interpretation of the Social Book Search organizers.
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Dates and versions

ujm-01219458 , version 1 (22-10-2015)

Identifiers

  • HAL Id : ujm-01219458 , version 1

Cite

Nawal Ould-Amer, Mathias Géry. LaHC at CLEF 2015 SBS Lab. Conference and Labs of the Evaluation Forum, Sep 2015, Toulouse, France. ⟨ujm-01219458⟩
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