Probabilistic Model for Contextual Retrieval
Probabilistic Model for Contextual Retrieval
Probabilistic Model for Contextual Retrieval
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Introduction (cont.)<strong>Model</strong>sUse past query sessions in query logs to build probabilisticmodelsThrough the logs, probabilistic correlations among queryterms, context elements and document terms could be builtBase on the correlations, propose four probabilistic modelsto generate expansion terms <strong>for</strong> contextual retrievalCase Study: PC troubleshooting problems<strong>Probabilistic</strong> <strong>Model</strong> <strong>for</strong> <strong>Contextual</strong> <strong>Retrieval</strong> – p.5/20
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