2514 search results - page 275 / 503 » On the Computation of Approximations of Database Queries |
191
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
189
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
169
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ADBIS
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. The last years there is an increasing interest for query processing techniques that take into consideration the dominance relationship between objects to select the most ...
209
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ISSADS
2004
Springer
16 years 2 days ago
2004
Springer
The recent emergence of handheld devices and wireless networks has implied an exponential increase of terminals users. So, today, service providers have to propose new application...
175
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GLOBE
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...