Results 1 to 10 of about 20,917 (268)
On Generalizing Collective Spatial Keyword Queries [PDF]
Proceedings of the 2013 ACM SIGMOD International Conference on Management of Data, 2018 With the proliferation of spatial-textual data such as location-based services and geo-tagged websites, spatial keyword queries are ubiquitous in real life.
Chan, Harry Kai-Ho +2 more
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Efficient processing of top-k frequent spatial keyword queries [PDF]
Scientific Reports, 2022 The rapid popularization of high-speed mobile communication technology and the continuous development of mobile network devices have given spatial textual big data (STBD) new dimensions due to their ability to record geographical objects from multiple ...
Tao Xu +5 more
doaj +3 more sources
Path–Based Continuous Spatial Keyword Queries
Complexity, 2022 In this paper, we study the path based continuous spatial keyword queries, which find the answer set continuously when the query point moves on a given path.
Fangshu Chen +5 more
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The Flexible Group Spatial Keyword Query [PDF]
, 2017 We present a new class of service for location based social networks, called the Flexible Group Spatial Keyword Query, which enables a group of users to collectively find a point of interest (POI) that optimizes an aggregate cost function combining both ...
D Papadias +7 more
core +2 more sources
Collective spatial keyword querying [PDF]
Proceedings of the 2011 ACM SIGMOD International Conference on Management of data, 2011 With the proliferation of geo-positioning and geo-tagging, spatial web objects that possess both a geographical location and a textual description are gaining in prevalence, and spatial keyword queries that exploit both location and textual description are gaining in prominence.
Cao, Xin +3 more
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ISPRS International Journal of Geo-Information, 2023 A new spatial keyword group query method is proposed in this paper to address the existing issue of user privacy leakage and exclusion of preferences in road networks. The proposed query method is based on the IGgram-tree index and minimum hash set.
Liping Zhang, Jing Li, Song Li
doaj +1 more source
On Nearby-Fit Spatial Keyword Queries [PDF]
IEEE Transactions on Knowledge and Data Engineering, 2020 Geo-textual data is ubiquitous nowadays, where each object has a location and is associated with some keywords. Many types of queries based on geo-textual data, termed as spatial keyword queries , have been proposed, and are to find optimal object(s) in terms of both its (their) location(s) and keywords.
Victor Junqiu Wei +3 more
openaire +3 more sources
Research on Time-Aware Group Query Method with Exclusion Keywords
ISPRS International Journal of Geo-Information, 2023 Aiming at the problem that the existing spatial keyword group query problem did not consider the query requirements with exclusion keywords and time attributes, a time-aware group query problem with exclusion keywords (TEGSKQ) is proposed for the first ...
Liping Zhang, Jing Li, Song Li
doaj +1 more source
MULTI-RESOLUTION REPRESENTATION USING GRAPH DATABASE [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 Multi-resolution representation has always been an important and popular data source for many research and applications, such as navigation, land cover, map generation, media event forecasting, etc.
Y. Huang, E. Stefanakis
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Why Questions on Time-Aware Spatial Keyword Queries in Traffic Networks
IEEE Access, 2022 Time-aware spatial keyword queries in traffic networks ( $TSKQT$ ) aim to retrieve top- $k$ result objects based on the ranking score considering spatial proximity, textual relevance, and temporal similarity simultaneously. However, due to inappropriate
Xiao Jia +4 more
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