383 search results - page 27 / 77 » Query Containment for Conjunctive Queries with Regular Expre... |
CORR
2010
Springer
13 years 8 months ago
2010
Springer
An answer to a query has a well-defined lineage expression (alternatively called how-provenance) that explains how the answer was derived. Recent work has also shown how to comput...
PVLDB
2010
13 years 7 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
DBPL
2007
Springer
14 years 2 months ago
2007
Springer
Annotated relational databases can be queried either by simply making the annotations explicitly available along the ordinary data, or by adapting the standard query operators so ...
SODA
2010
ACM
14 years 6 months ago
2010
ACM
Regular expression matching is a key task (and often computational bottleneck) in a variety of software tools and applications. For instance, the standard grep and sed utilities, ...
VLDB
2003
ACM
14 years 9 months ago
2003
ACM
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...