403 search results - page 34 / 81 » Constraint Databases and Geographic Information Systems |
174
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SIGMOD
2009
ACM
16 years 12 hour ago
2009
ACM
Sensor networks play a central role in applications that monitor variables in geographic areas such as the traffic volume on roads or the temperature in the environment. A key fea...
108
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ICCS
2004
Springer
15 years 5 months ago
2004
Springer
This paper presents a two-leveled mobile agent system for electronic commerce. It is based on mobile agents as mediators and uses the publish/subscribe paradigm for registration an...
116
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GIS
2010
ACM
14 years 10 months ago
2010
ACM
Local search is a specialization of the web search that allows users to submit geographically constrained queries. However, one of the challenges for local search engines is to un...
VLDB
2004
ACM
15 years 5 months ago
2004
ACM
Traditional databases have focused on the issue of reducing I/O cost as it is the bottleneck in many operations. As databases become increasingly accepted in areas such as Geograp...
101
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SAC
1997
ACM
15 years 4 months ago
1997
ACM
Multidimensional discrete data (MDD), i.e., arrays of arbitrary size, dimension, and base type, are receiving growing attention among the database community. MDD occur in a variet...