573 search results - page 21 / 115 » Sketch Data Models, Relational Schema and Data Specification... |
JODS
2006
13 years 7 months ago
2006
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
DEXA
2009
Springer
14 years 2 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...
APIN
2000
13 years 7 months ago
2000
Abstract. This paper addresses several issues related to the use of conceptual modeling to support serviceoriented, advanced information systems. It shows how conceptual modeling o...
CAISE
2005
Springer
14 years 1 months ago
2005
Springer
The notion of spatio-temporal multi-granularity is fundamental when modeling objects in GIS applications in that it supports the representation of the temporal evolutions of these ...