5130 search results - page 56 / 1026 » Constraint Query Languages |
PODS
2010
ACM
14 years 4 months ago
2010
ACM
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
VLDB
2004
ACM
14 years 4 months ago
2004
ACM
We study the fundamental limitations of relational algebra (RA) and SQL in supporting sequence and stream queries, and present effective query language and data model enrichments ...
EUSFLAT
2003
14 years 10 days ago
2003
The traditional query languages used in database management systems require precise and unambiguous queries only. Fuzzy querying were introduced to relax this rigidity and allow t...
DELOS
2000
14 years 10 days ago
2000
We consider a query subscription system that can provide users with information about web changes that interest them. We present a query subscription language and a system that co...
ICGI
2010
Springer
14 years 1 days ago
2010
Springer
This paper presents an efficient algorithm that identifies a rich subclass of multiple context-free languages in the limit from positive data and membership queries by observing wh...