1327 search results - page 212 / 266 » Drawing database schemas |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
PODS
2005
ACM
14 years 10 months ago
2005
ACM
Composition of mappings between schemas is essential to support schema evolution, data exchange, data integration, and other data management tasks. In many applications, mappings ...
DASFAA
2009
IEEE
14 years 4 months ago
2009
IEEE
The XML technologies have brought a lot of new ideas and abilities in the field of information management systems. Nowadays, XML is used almost everywhere: from small configurati...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
DLOG
2008
14 years 8 days ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...