35 search results - page 2 / 7 » Logical foundations of relational data exchange |
DLOG
2007
13 years 6 months ago
2007
Clio is a joint research project between the University of Toronto and IBM Almaden Research Center started in 1999 to address both foundational and systems issues related to the ma...
FUIN
2007
13 years 4 months ago
2007
We give formulations for modal deductive databases and present a modal query language called MDatalog. We define modal relational algebras and give the seminaive evaluation algor...
ICDT
2010
ACM
14 years 1 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
In response to the widespread use of the XML format for document representation and message exchange, major database vendors support XML in terms of persistence, querying and inde...
DEXA
2009
Springer
13 years 11 months ago
2009
Springer
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...