686 search results - page 77 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
268
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
163
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JSS
2011
14 years 9 months ago
2011
Location-based services have attracted the attention of important research in the field of mobile computing. Specifically, different mechanisms have been proposed to process loc...
196
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BDA
2001
15 years 7 months ago
2001
A Community Web portal is a set of tools for a community of people who want to share information on a certain domain via the Web. The backbone of this system is an ontology which ...
208
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ADBIS
2000
Springer
15 years 10 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
187
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COMAD
2008
15 years 7 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...