Effective Query Model Estimation Using Parsimonious Translation Model in Language Modeling Approach (original) (raw)

Lecture Notes in Computer Science, 2005

Abstract

The KL divergence framework, the extended language modeling approach has a critical problem with estimation of query model, which is the probabilistic model that encodes user’s information need. At initial retrieval, estimation of query model by translation model had been proposed that involves term co-occurrence statistics. However, the translation model has a difficulty to applying, because term co-occurrence statistics must

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