253 search results - page 28 / 51 » Close pair queries in moving object databases |
171
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VLDB
2002
ACM
15 years 12 months ago
2002
ACM
We propose a new data structure to search in metric spaces. A metric space is formed by a collection of objects and a distance function de ned among them, which satis es the trian...
111
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ICDT
1999
ACM
15 years 4 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...
185
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GIS
2003
ACM
16 years 24 days ago
2003
ACM
With wireless communications and geo-positioning being widely available, it becomes possible to offer new e-services that provide mobile users with information about other mobile ...
SSDBM
1998
IEEE
15 years 4 months ago
1998
IEEE
: A new issue that arises in modern applications involves the efficient manipulation of (static or moving) spatial objects, and the relationships among them. As a result, modern da...
122
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DEXAW
2004
IEEE
15 years 3 months ago
2004
IEEE
Many applications refer to moving objects or phenomena and require spatio-temporal modelling and specific analysis. Unlike conventional data where attributes are simple values (nu...