403 search results - page 20 / 81 » Constraint Databases and Geographic Information Systems |
152
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CGI
2003
IEEE
15 years 9 months ago
2003
IEEE
Location-aware mobile users need to access, query, and visualize, geographic information in a wide variety of applications including tourism, navigation, environmental management,...
150
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HICSS
2000
IEEE
15 years 10 months ago
2000
IEEE
Advances in geographical information systems (GIS) and supporting data collection technology has resulted in the rapid collection of a huge amount of spatial data. However, known ...
224
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ICSNW
2004
Springer
15 years 11 months ago
2004
Springer
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...
272
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
196
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ISCI
2002
15 years 5 months ago
2002
In a transaction-time temporal object database management system (TODBMS), updating an object creates a new version of the object, but the old version is still accessible. A TODBM...