383 search results - page 52 / 77 » Join operations in temporal databases |
DEBU
2008
14 years 9 months ago
2008
Increasingly, companies recognize that most of their important information does not exist in relational stores but in documents. For a long time, textual information has been rela...
80
Voted
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
73
Voted
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
DEXA
2006
Springer
15 years 1 months ago
2006
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Recently, Lu et al. [7] proposed the TJFast algorithm ...
MFDBS
1991
15 years 1 months ago
1991
We study an approach to relational databases which treats relations not as subsets of a Cartesian product but as subsets of some domain { a partially ordered space of descriptions...