155 search results - page 29 / 31 » Maintaining Semantic Mappings between Database Schemas and O... |
GEOINFORMATICA
1998
13 years 7 months ago
1998
ally related entity types, or classes, into higher level, more abstract types, as part of a hierarchical classi®cation scheme. graphy, generalization retains the notion of abstrac...
CAISE
2005
Springer
14 years 1 months ago
2005
Springer
We study, in the context of object/relational mapping tools, the problem of describing mappings between inheritance hierarchies and relational schemas. To this end, we introduce a ...
ICLP
2005
Springer
14 years 29 days ago
2005
Springer
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
IJCSA
2008
13 years 7 months ago
2008
The Graphical Object Query Language (GOQL) is a graphical query language that complies with the ODMG standard and runs on top of the o2 DBMS. The language provides users with the ...
WEBDB
2007
Springer
14 years 1 months ago
2007
Springer
This paper pursues the recently emerging paradigm of searching for entities that are embedded in Web pages. We utilize informationextraction techniques to identify entity candidat...