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» A Generator of SQL Schema Specifications
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ICDT
2010
ACM
161views Database» more  ICDT 2010»
14 years 4 months ago
Composition with Target Constraints
It is known that the composition of schema mappings, each specified by source-to-target tgds (st-tgds), can be specified by a secondorder tgd (SO tgd). We consider the question of...
Marcelo Arenas, Ronald Fagin, Alan Nash
PVLDB
2008
170views more  PVLDB 2008»
13 years 6 months ago
Data exchange with data-metadata translations
Data exchange is the process of converting an instance of one schema into an instance of a different schema according to a given specification. Recent data exchange systems have l...
Mauricio A. Hernández, Paolo Papotti, Wang ...
PVLDB
2008
130views more  PVLDB 2008»
13 years 7 months ago
Analyzing and revising data integration schemas to improve their matchability
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
Xiaoyong Chai, Mayssam Sayyadian, AnHai Doan, Arno...
WIDM
1999
ACM
13 years 11 months ago
Automatic Migration of Files into Relational Databases
In order to provide database-like features for files, particularly for searching in Web data, one solution is to migrate file data into a relational database. Having stored the da...
Uwe Hohenstein, Andreas Ebert
NATO
1993
13 years 11 months ago
METU Object-Oriented DBMS
METU Object-Oriented DBMS 1 includes the implementation of a database kernel, an object-oriented SQL-like language and a graphical user interface. Kernel functions are divided bet...
Asuman Dogac, Cetin Ozkan, Ismailcem Budak Arpinar...