1142 search results - page 51 / 229 » On Supporting Containment Queries in Relational Database Man... |
143
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BTW
2003
Springer
15 years 9 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
138
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DBPL
1995
Springer
15 years 7 months ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
141
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ACL
2009
15 years 1 months ago
2009
This paper presents a system for querying treebanks. The system consists of a powerful query language with natural support for cross-layer queries, a client interface with a graph...
147
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CIKM
2011
Springer
14 years 3 months ago
2011
Springer
There exist many interrelated information sources on the Internet that can be categorized into structured (database) and semistructured (documents). A key challenge is to integrat...
272
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ICDE
2000
IEEE
16 years 5 months ago
2000
IEEE
XML is here as the internet standard for information exchange among e-businesses and applications. With its dramatic adoption and its ability to model structured, unstructured and...