263 search results - page 4 / 53 » The Conceptual Integration Modeling Framework: Abstracting f... |
SSDBM
1998
IEEE
13 years 11 months ago
1998
IEEE
We address the issue of designing effective query languages for OLAP databases. The basis of our investigation is MD, a new data model for multidimensional databases that, unlike ...
CORR
1999
Springer
13 years 7 months ago
1999
Springer
In recent work we have presented a formal framework for linguistic annotation based on labeled acyclic digraphs. These `annotation graphs' oer a simple yet powerful method fo...
ER
1994
Springer
13 years 11 months ago
1994
Springer
Abstract. As information systems are increasingly being called upon to play vital roles in organizations, conceptual modelling techniques need to be extended to relate information ...
GIS
2009
ACM
13 years 12 months ago
2009
ACM
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
ER
2004
Springer
14 years 22 days ago
2004
Springer
An open challenge is to integrate XML and conceptual modeling in order to satisfy large-scale enterprise needs. Because enterprises typically have many data sources using differe...