2956 search results - page 35 / 592 » Databases and Higher Types |
VLDB
1991
ACM
15 years 1 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Validation of multi-column schema matchings is essential for successful database integration. This task is especially difficult when the databases to be integrated contain little o...
PODS
2010
ACM
15 years 2 months ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
ICSE
2005
IEEE-ACM
15 years 9 months ago
2005
IEEE-ACM
When building scalable systems that involve general-purpose computation and persistent data, object-oriented languages and relational databases are often essential components. Yet...
PVLDB
2008
14 years 9 months ago
2008
The World-Wide Web consists of a huge number of unstructured documents, but it also contains structured data in the form of HTML tables. We extracted 14.1 billion HTML tables from...