253 search results - page 50 / 51 » A Query Language for EER Schemas |
BMCBI
2007
13 years 6 months ago
2007
Background: Neuroscientists often need to access a wide range of data sets distributed over the Internet. These data sets, however, are typically neither integrated nor interopera...
WWW
2005
ACM
14 years 6 months ago
2005
ACM
Online Curriculum Portals aim to support networks of instructors and learners by providing a space of convergence for enhancing peer-to-peer learning interactions among individual...
DEXA
2009
Springer
14 years 24 days 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...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In a publish-subscribe system based on filtering of XML documents, subscribers specify their interests with profiles expressed in the XPath language. The system processes a stre...
ECAI
1998
Springer
13 years 9 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...