Top-k approximate selection for typicality query results over spatio-textual data
Xiangfu Meng,
Xiaoyan Zhang,
Hongjin Huo
et al.
Abstract:Spatial keyword query is a classical query processing mode for spatio-textual data, which aims to provide users the spatio-textual objects with the highest spatial proximity and textual similarity to the given query. However, the top-k result objects obtained by using the spatial keyword query mode are often similar to each other while users hope that the system can pick top-k typicality results from the candidate query results in order to make users understand the representative features of the candidate resu… Show more
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