620 search results - page 68 / 124 » Optimizing Path Expression Queries of XML Data |
138
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WIOPT
2006
IEEE
15 years 9 months ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
117
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VLDB
2004
ACM
15 years 8 months ago
2004
ACM
This demonstration shows an integrated query processing environment where users can seamlessly query both a data stream management system and a sensor network with one query expre...
133
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ICDE
2010
IEEE
15 years 3 months ago
2010
IEEE
— Autonomous index management in native XML DBMSs has to address XML’s flexibility and storage mapping features, which provide a rich set of indexing options. Change of worklo...
116
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WWW
2001
ACM
16 years 3 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
145
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SIGMOD
2003
ACM
16 years 3 months ago
2003
ACM
In this paper, we study whether the need for efficient XML publishing brings any new requirements for relational query engines, or if sorting query results in the relational engin...