201 search results - page 15 / 41 » Semantic Foundations of 4NF in Relational Database Design |
VLDB
1987
ACM
13 years 11 months ago
1987
ACM
The design of the POSTGRES data model is described. The data model is a relational model that has been extended with abstract data types including user-defined operators and proce...
IWFM
1998
13 years 8 months ago
1998
ing Structured Database Schemas into Abstract Machines Brian Matthews Rutherford Appleton Laboratory, Didcot, OXON, OX11 OQX, U.K. Elvira Locuratolo Istituto di Elaborazione dell&#...
SSDBM
2008
IEEE
14 years 1 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
ICCS
1994
Springer
13 years 11 months ago
1994
Springer
This paper gives a data structure (UDS) for supporting database retrieval, inference and machine learning that attempts to unify and extend previous work in relational databases, ...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
We present a technique for refining the design of relational storage for XML data based on XML key propagation. Three algorithms are presented: one checks whether a given function...