25 search results - page 1 / 5 » Spatial Pictogram Enhanced Conceptual Data Models and Their ... |
ISD
1999
Springer
13 years 8 months ago
1999
Springer
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
GEOINFORMATICA
2007
13 years 4 months ago
2007
GIS
1999
ACM
13 years 8 months ago
1999
ACM
Nowadays, many applications need data modeling facilities for the description of complex objects with spatial and/or temporal facilities. Responses to such requirements may be fou...
OTM
2005
Springer
13 years 10 months ago
2005
Springer
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
DEXAW
1999
IEEE
13 years 8 months ago
1999
IEEE
Recent efforts in the Conceptual Modelling community have been devoted to properly capturing time-varying information, and several proposals of temporally enhanced Entity-Relation...