586 search results - page 86 / 118 » Answering Multiple-Item Queries in Data Broadcast Systems |
129
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SENSYS
2004
ACM
15 years 6 months ago
2004
ACM
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), makin...
131
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SIGMOD
1997
ACM
15 years 5 months ago
1997
ACM
Infomaster is an information integration system that provides integrated access tomultiple distributed heterogeneous information sources on the Internet, thus giving the illusion ...
124
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ATMOS
2007
15 years 2 months ago
2007
In railways systems the timetable is typically represented as a weighted digraph on which itinerary queries are answered by shortest path algorithms, usually running Dijkstra’s a...
106
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OTM
2007
Springer
15 years 7 months ago
2007
Springer
Abstract. We discuss our DLDB knowledge base system and evaluate its capability in processing a very large set of real-world Semantic Web data. Using DLDB, we have constructed the ...
124
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SIGMOD
2003
ACM
16 years 1 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...