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» Data Models and Query Languages for Spatial Databases
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PODS
2000
ACM
102views Database» more  PODS 2000»
13 years 12 months ago
Linear Approximation of Planar Spatial Databases Using Transitive-Closure Logic
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
Floris Geerts, Bart Kuijpers
ER
2004
Springer
90views Database» more  ER 2004»
14 years 28 days ago
WUML: A Web Usage Manipulation Language for Querying Web Log Data
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...
Qingzhao Tan, Yiping Ke, Wilfred Ng
MMM
2008
Springer
127views Multimedia» more  MMM 2008»
14 years 1 months ago
A Query Language Combining Object Features and Semantic Events for Surveillance Video Retrieval
In this paper, we propose a novel query language for video indexing and retrieval that (1) enables to make queries both at the image level and at the semantic level (2) enables the...
Thi-Lan Le, Monique Thonnat, Alain Boucher, Fran&c...
SSD
1999
Springer
105views Database» more  SSD 1999»
13 years 11 months ago
Requirements of Traffic Telematics to Spatial Databases
Traffic telematics comprises services like traffic information, navigation, and emergency call services. Providers of such services need large spatial databases especially for the ...
Thomas Brinkhoff
GIS
1995
ACM
13 years 11 months ago
Collaborative Spatial Decision Making with Qualitative Constraints
: Usually spatial planning problems involve a large number of decision makers with different backgrounds and interests. The process of Collaborative Spatial Decision Making (CSDM)...
Nikos I. Karacapilidis, Dimitris Papadias, Max J. ...