231 search results - page 26 / 47 » Answering Queries Using Views over Description Logics Knowle... |
AAAI
2007
13 years 9 months ago
2007
Efficient query answering over ontologies is one of the most useful and important services to support Semantic Web applications. Approximation has been identified as a potential...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
IJAR
2007
13 years 7 months ago
2007
When integrating data coming from multiple different sources we are faced with the possibility of inconsistency in databases. A paraconsistent approach for knowledge base integra...
ATAL
2008
Springer
13 years 9 months ago
2008
Springer
In order to obtain semantic interoperability in open MultiAgent Systems, agents need to agree on the basis of different ontologies. In this paper we formally define mapping as cor...
DOCENG
2007
ACM
13 years 11 months ago
2007
ACM
We present in this paper a method for document layout analysis based on identifying the function of document elements (what they do). This approach is orthogonal and complementary...