147 search results - page 3 / 30 » A Semantics-based Approach to Design of Query Languages for ... |
MSO
2003
13 years 9 months ago
2003
The provision of efficient methods and tool support for the development and engineering of distributed systems is a key enabling factor for the evolution of Information Technology...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
DOOD
1995
Springer
13 years 11 months ago
1995
Springer
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
ICDT
1995
ACM
13 years 11 months ago
1995
ACM
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
WEBDB
2004
Springer
14 years 27 days ago
2004
Springer
On the Web, there is a pervasive use of XML to give lightweight semantics to textual collections. Such documentcentric XML collections require a query language that can gracefully...