45 search results - page 2 / 9 » Cooperative Query Answering for Semistructured Data |
CIKM
2007
Springer
13 years 11 months ago
2007
Springer
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...
WEBDB
2000
Springer
13 years 8 months ago
2000
Springer
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
DEXAW
2005
IEEE
13 years 6 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
Queries navigate semistructured data via path expressions, and can be accelerated using an index. Our solution encodes paths as strings, and inserts those strings into a special i...
FQAS
2009
Springer
13 years 11 months ago
2009
Springer
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...