588 search results - page 88 / 118 » Positive higher-order queries |
231
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GIS
2003
ACM
16 years 5 months ago
2003
ACM
Advances in wireless communications, positioning technology, and other hardware technologies combine to enable a range of applications that use a mobile user's geo-spatial da...
192
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GIS
2006
ACM
16 years 5 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
220
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VLDB
2004
ACM
16 years 4 months ago
2004
ACM
With the recent and continuing advances in areas such as wireless communications and positioning technologies, mobile, locationbased services are becoming possible. Such services ...
230
Voted
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
128
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...