6597 search results - page 47 / 1320 » Orderings and Types in Databases |
ICDT
2003
ACM
14 years 28 days ago
2003
ACM
We define a boolean complete description logic dialect called DLFDreg that can be used to reason about structural equality in semistructured ordered data in the presence of docume...
APPML
2005
13 years 7 months ago
2005
A pair of Mond
VLDB
1991
ACM
13 years 11 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...
ICDE
2008
IEEE
14 years 9 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
14 years 24 days 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 ...