620 search results - page 43 / 124 » Optimizing Path Expression Queries of XML Data |
112
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
124
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WEBDB
2000
Springer
15 years 5 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
149
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JIDM
2010
14 years 8 months ago
2010
The increasing volume of data stored as XML documents makes fragmentation techniques an alternative to the performance issues in query processing. Fragmented databases are feasible...
133
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AP2PC
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Peer-to-Peer (P2P) data management systems combine traditional schema-based integration techniques with the P2P infrastructure. In this paper, we propose a P2P data manag...
124
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XSYM
2010
Springer
15 years 9 days ago
2010
Springer
Keys for XML data trees can uniquely identify nodes based on the data values on some of their subnodes, either in the entire tree or relatively to some selected subtrees. Such keys...