306 search results - page 2 / 62 » Data Exchange: Semantics and Query Answering |
PODS
2004
ACM
14 years 4 months ago
2004
ACM
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
JODS
2006
13 years 4 months ago
2006
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
PODS
2008
ACM
14 years 4 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
ADC
2003
Springer
13 years 9 months ago
2003
Springer
Semistructured data, in particular XML, has emerged as one of the primary means for information exchange and content management. The power of XML allows authors to structure a doc...
PODS
2005
ACM
14 years 4 months ago
2005
ACM