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J. J. Rocchio and Relevance Feedback: Teaching a Search Engine from User Judgments
Rocchio relevance feedback showed how a search system could move a query toward documents a user judged relevant and away from those judged nonrelevant.
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Rocchio relevance feedback showed how a search system could move a query toward documents a user judged relevant and away from those judged nonrelevant.
Gerard Salton's SMART research and the vector space model turned documents and queries into weighted term vectors, making graded similarity and ranked retrieval central to search.