586 search results - page 82 / 118 » Answering Multiple-Item Queries in Data Broadcast Systems |
137
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W2GIS
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. A review is provided of some database and representation issues involved in the implementation of geographic information systems (GIS). The increasing popularity of web-b...
197
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
125
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CIKM
2005
Springer
15 years 6 months ago
2005
Springer
In this paper, we propose a new strategy for optimizing the placement of bin boundaries to minimize the cost of query evaluation using bitmap indices with binning. For attributes ...
AAAI
1997
15 years 2 months ago
1997
This paper describes an environment for supporting very large ontologies. The system can be used on single PCs, workstations, a cluster of workstations, and high-end parallel supe...
109
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ESWS
2004
Springer
15 years 6 months ago
2004
Springer
Publish/subscribe systems are an alternative to query based systems in cases where the same information is asked for over and over, and where clients want to get updated answers fo...