964 search results - page 114 / 193 » Efficiently Ordering Query Plans for Data Integration |
116
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BTW
2007
Springer
15 years 10 months ago
2007
Springer
B-tree and index into two layers of abstraction. In addition, this paper provides algorithms for (i) concurrency control and recovery including locking of individual keys and of co...
130
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ICSEA
2006
IEEE
15 years 10 months ago
2006
IEEE
—The XML language is becoming the preferred means of data interchange and representation in web based applications. Usually, XML data is stored in XML repositories, which can be ...
161
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DLOG
2008
15 years 6 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
143
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SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Querying XML data is a well-explored topic with powerful databasestyle query languages such as XPath and XQuery set to become W3C standards. An equally compelling paradigm for que...
158
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DMSN
2007
ACM
15 years 8 months ago
2007
ACM
In this paper, we consider a large scale sensor network comprising multiple, say K, base stations and a large number of wireless sensors. Such an infrastructure is expected to be ...