Flexible Aggregate Nearest Neighbor Queries and its Keyword-Aware Variant on Road Networks

Zhongpu Chen,Bin Yao,Zhi-Jie Wang,Xiaofeng Gao,Shuo Shang,Shuai Ma,Minyi Guo

IEEE Transactions on Knowledge and Data Engineering（2021）

引用 19|浏览164

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摘要

Aggregate nearest neighbor (Ann) query in both the euclidean space and road networks has been extensively studied, and the flexible aggregate nearest neighbor (Fann) problem further generalizes Ann by introducing an extra flexibility parameter $\phi$更多

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关键词

Roads,Aggregates,Approximation algorithms,Heuristic algorithms,Indexes,Computer science,Electronic mail

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