An efficient method for the reverse top k search.

Information Sciences（2018）

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摘要

•We propose a pruing method filtering out weight vectors and objects without traversing each other.•We propose an efficient algorithm for the RTOPk search by preserving search contexts.•We improve the efficiency of the RTOPk search by pre-computing the bounds of ranking scores.

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关键词

Reverse top k search,RTOPk,Information retrieval

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