Modèles de RI fondés sur l'information - ARIA
These early Okapi systems were experimental highly-interactive reference retrieval systems of a probabilistic type, some of which featured automatic query ...
Selection and merging strategies for multilingual information retrievalIn our experiments we investigate the performance of a range of IR models: Okapi BM25, Jelinek-Mercer smoothing, Dirichlet smoothing, Absolute Discount- ing ... Text Mining in Digital Libraries using OKAPI BM25 ModelEn reprenant le même contexte (modèle Okapi, requête T et TD), un écart très important est signalé pour la requête no 60 (?Les affaires en France?). Avec le ... Un regard statistique sur l'évaluation de performance - ARIAControlled vocabulary seems to provide a better performance than free text indexing. (difference around 20%). Using T, TD or TDN, the conclusion is the same.
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