856 search results - page 85 / 172 » Location-based Spatial Queries |
109
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IFIP
2004
Springer
15 years 6 months ago
2004
Springer
In this paper we study the complexity of the model-checking problem for the tree logic introduced as the basis for the query language TQL [Cardelli and Ghelli, 2001]. We define tw...
107
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SPIESR
2004
15 years 2 months ago
2004
This paper presents an overview of our recent work on managing image and video data. The first half of the paper describes a representation for the semantic spatial layout of vide...
135
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ISVC
2009
Springer
15 years 5 months ago
2009
Springer
Abstract. We describe a proximity query algorithm for the exact minimum distance computation between arbitrarily shaped objects. Special characteristics of the Gilbert-Johnson-Keer...
ICMCS
1997
IEEE
15 years 5 months ago
1997
IEEE
This paper presents a novel method of retrieving images based on color-spatial information. For each image, its color-spatial information is compactly captured by a set of color s...
120
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TKDE
2011
14 years 4 months ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...