Selective user interaction


Query expansion [12] refers to the process of including related terms in the original query to produce expanded queries, while query relaxation [8] refers to the dropping or down-weighting of terms from the original query to produce sub-queries. The automatic versions of both query expansion (AQE) and query relaxation (AQR) are known to fail in a large… (More)
DOI: 10.1145/1321440.1321576


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