Collective spatial keyword search on activity trajectories
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DOI: 10.1007/s10707-019-00358-x
Abstract: Collective spatial keyword query (CSKQ) is one of the most useful spatial queries in location-based service systems. Although the availability of large-scale activity trajectories has given us useful knowledge of users’ behavior, existing activity trajectory… read more here.
Keywords: spatial keyword; activity trajectories; search; collective spatial ... See more keywords
Efficient index-independent approaches for the collective spatial keyword queries
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DOI: 10.1016/j.neucom.2020.06.150
Abstract: Abstract In abundant location-based service applications, it is necessary to process continuous spatial keyword queries over geo-textual data streaming. As an important spatial keyword query, the collective spatial keyword (CSK) query aims to find a… read more here.
Keywords: keyword; spatial keyword; index; keyword queries ... See more keywords
Top-K Collective Spatial Keyword Queries
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DOI: 10.1109/access.2019.2958851
Abstract: With the advent of a large number of spatial-textual data, collective spatial keyword queries have been widely studied in recent years. However, the collective spatial keyword query studied so far usually looks for only a… read more here.
Keywords: tex math; collective spatial; inline formula; spatial keyword ... See more keywords