253 search results - page 24 / 51 » Close pair queries in moving object databases |
108
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W2GIS
2005
Springer
15 years 5 months ago
2005
Springer
Location-based services (LBS) constitute an emerging application domain involving spatio-temporal databases. In this paper, i) we propose a classification of LBS, depending on whet...
195
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ICDE
2004
IEEE
16 years 1 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
191
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
103
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
183
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...