1142 search results - page 17 / 229 » On Supporting Containment Queries in Relational Database Man... |
101
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ADB
1994
15 years 1 months ago
1994
Database applications and technologies are of central importance in many information systems a person may encounter. To obtain services, the end-users are required a smart card (pl...
143
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Large collections of documents are commonly created around a database, where a typical database schema may contain hundreds of tables and thousands of columns. We developed a syst...
178
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
DKE
2007
14 years 9 months ago
2007
XPath is the standard language for addressing parts of an XML document. We present a sound and complete decision procedure for containment of XPath queries. The considered XPath f...
WEBDB
2005
Springer
15 years 3 months ago
2005
Springer
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...