1180 search results - page 30 / 236 » A Logical Data Model for Integrated Geographical Databases |
MTSR
2007
Springer
15 years 3 months ago
2007
Springer
In this paper we describe the development of an ontology of molecular and phenotypic cereals data, realized by integrating existing public web databases with the database developed...
DOLAP
2005
ACM
14 years 11 months ago
2005
ACM
Extraction-Transformation-Loading (ETL) tools are pieces of software responsible for the extraction of data from several sources, their cleansing, customization and insertion into...
ICDE
1997
IEEE
15 years 1 months ago
1997
IEEE
In this paper we propose a data model for representing moving objects in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data model. We also propose Futur...
ENVSOFT
2002
14 years 9 months ago
2002
The integration of environmental models and Geographical Information Systems (GIS) usually takes two approaches: loose coupling and tight coupling. This paper, however, presents a...
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VLDB
2007
ACM
15 years 9 months ago
2007
ACM
When integrating data from heterogeneous sources, it is often necessary to transform both the schemas and the data from the underlying sources in order to present the integrated d...