397 search results - page 21 / 80 » Evaluating Location Dependent Queries Using ISLANDS |
134
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WWW
2009
ACM
16 years 13 days ago
2009
ACM
The increasing availability of GPS-enabled devices is changing the way people interact with the Web, and brings us a large amount of GPS trajectories representing people's lo...
106
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SSD
2001
Springer
15 years 4 months ago
2001
Springer
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
MOBISYS
2010
ACM
15 years 2 months ago
2010
ACM
Most current methods for 802.11-based indoor localization depend on surveys conducted by experts or skilled technicians. Some recent systems have incorporated surveying by users. ...
106
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DPD
2006
14 years 11 months ago
2006
A major problem of unstructured P2P systems is their heavy network traffic. This is caused mainly by high numbers of query answers, many of which are irrelevant for users. One solu...
188
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GIS
2007
ACM
16 years 25 days ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...