On the Efficiency of Selective Search.
ADVANCES IN INFORMATION RETRIEVAL, ECIR 2017(2017)
摘要
Our work shows that the query latency for selective search over a topically partitioned collection can be reduced by up to 55%. We achieve this by physically storing the documents in each topical cluster across all shards and building a cluster-skipping index at each shard. Our approach also achieves uniform load balance among the shards.
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关键词
Selective Search, Subject Partitions, Query Latency, Uniform Load Balancing, Topical Partitioning
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