620 search results - page 71 / 124 » Optimizing Path Expression Queries of XML Data |
143
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DLOG
2008
15 years 5 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...
149
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SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
160
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PPDP
2010
Springer
15 years 1 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
157
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EDBTW
2006
Springer
15 years 6 months ago
2006
Springer
A data stream management system executes a large number of continuous queries in parallel. As stream characteristics and query workload change over time, the plan initially install...
117
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OOPSLA
2007
Springer
15 years 9 months ago
2007
Springer
Current real-world software applications typically involve heavy use of relational and XML data and their query languages. Unfortunately object-oriented languages and database que...