280 search results - page 52 / 56 » On the Semantic Relationship between Datalog and Description... |
DOLAP
2005
ACM
13 years 9 months ago
2005
ACM
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
ESWS
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Ontologies are now used within an increasing number of realworld applications. So far, significant effort has been spend in building tools to support users in creating,...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Schema mappings are logical assertions that specify the relationships between a source and a target schema in a declarative way. The specification of such mappings is a fundamenta...
HT
2004
ACM
14 years 24 days ago
2004
ACM
In this paper, we present a model-driven methodology and toolset for automatic generation of hypertext system repositories. Our code generator, called Bamboo, is based on a Contai...
LPKR
1997
Springer
13 years 11 months ago
1997
Springer
Abstract. Recently the field of theory update has seen some improvement, in what concerns model updating, by allowing updates to be specified by so-called revision programs. The ...