1193 search results - page 48 / 239 » Database Query Languages and Functional Logic Programming |
BDA
1993
14 years 11 months ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
PODS
2010
ACM
15 years 2 months ago
2010
ACM
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
— Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative nature. Su...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
DLOG
2003
14 years 11 months ago
2003
This paper presents an application of a DL reasoner to the optimization of an object-relational query language. Queries containing aggregate functions are difficult to optimize be...