619 search results - page 62 / 124 » Query Planning in Infomaster |
140
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ICSOC
2003
Springer
15 years 9 months ago
2003
Springer
Service-based approaches (such as Web Services and the Open Grid Services Architecture) have gained considerable attention recently for supporting distributed application developme...
156
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SIGMOD
1995
ACM
15 years 7 months ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
146
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AMW
2010
15 years 5 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
138
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ICDE
2005
IEEE
15 years 9 months ago
2005
IEEE
Abstract— Distributed stream-based applications, such as continuous query systems, have network scale and time characteristics that challenge traditional distributed query optimi...
134
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GLOBE
2009
Springer
15 years 8 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...