550 search results - page 39 / 110 » An Expressive Language for Linear Spatial Database Queries |
SWAP
2007
13 years 10 months ago
2007
Abstract. Ontologies are pervading many areas of knowledge representation and management. To date, most research efforts have been spent on the development of sufficiently express...
ADBIS
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
ER
2004
Springer
14 years 2 months ago
2004
Springer
In this paper, we develop a novel Web Usage Manipulation Language (WUML) which is a declarative language for manipulating Web log data. We assume that a set of trails formed by use...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
RFID technology provides significant advantages over traditional object-tracking technology and is increasingly adopted and deployed in real applications. RFID applications genera...
SSDBM
2010
IEEE
14 years 1 months ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...