Collective spatial keyword search on activity trajectories
Sign Up to like & getrecommendations! Published in 2019 at "GeoInformatica"
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
Monitoring Spatial Keyword Queries Based on Resident Domains of Mobile Objects in IoT Environments
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DOI: 10.1007/s11036-020-01642-z
Abstract: In IoT environments, geo-tagged data have rapidly been emerging as smart things, e.g., mobile devices or connected cars, are generally equipped with the global positioning system (GPS) module. A large volume of geo-tagged data can… read more here.
Keywords: spatial keyword; keyword queries; approach; mobile objects ... See more keywords
CISK: An interactive framework for conceptual inference based spatial keyword query
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DOI: 10.1016/j.neucom.2020.02.129
Abstract: Abstract Spatial keyword query is an important technique for recommending users their desired POIs in self-driving services. Inferring query intention has been recognized as an important yet challenging issue for spatial keyword search. However, existing… read more here.
Keywords: spatial keyword; inference; inference based; conceptual inference ... 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
Secure Boolean Spatial Keyword Query With Lightweight Access Control in Cloud Environments
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DOI: 10.1109/jiot.2021.3122991
Abstract: Spatial keyword query has attracted wide-spread academic and industrial concerns due to the popularity of location-based services and Internet of Things. To efficiently support the online query processing, the data owners need to outsource their… read more here.
Keywords: spatial keyword; access control; access; query ... See more keywords
Privacy-Preserving Threshold Spatial Keyword Search in Cloud-Assisted IIoT
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DOI: 10.1109/jiot.2021.3138136
Abstract: Cloud-assisted Industrial Internet of Things (IIoT) systems are increasingly deployed in various applications such as location-based services. Outsourcing data to cloud servers can help minimize local data storage and computation overheads, but it may introduce… read more here.
Keywords: spatial keyword; keyword search; privacy preserving; privacy ... See more keywords
Time-Aware Boolean Spatial Keyword Queries
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Knowledge and Data Engineering"
DOI: 10.1109/tkde.2017.2742956
Abstract: With advances in geo-positioning technologies and mobile internet, location-based services have attracted much attention, and spatial keyword queries are catching on fast. However, as far as we aware, no prior work considers the temporal information… read more here.
Keywords: keyword; spatial keyword; time aware; keyword queries ... See more keywords
Cost-Aware and Distance-Constrained Collective Spatial Keyword Query
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Knowledge and Data Engineering"
DOI: 10.1109/tkde.2021.3095388
Abstract: With the proliferation of location-based services, geo-textual data is becoming ubiquitous. Objects involved in geo-textual data include geospatial locations, textual descriptions or keywords, and various attributes (e.g., a point-of-interest has its expenses and users' ratings).… read more here.
Keywords: keyword; spatial keyword; information; distance ... See more keywords