2674 search results - page 12 / 535 » Data Models and Query Languages for Spatial Databases |
EFDBS
2000
13 years 8 months ago
2000
A main problem of data integration is the treatment of conflicts caused by different modeling of real-world entities, different data models or simply by different representations ...
DBPL
1999
Springer
13 years 11 months ago
1999
Springer
We consider two-dimensional spatial databases defined in terms of polynomial inequalities and focus on the potential of programming languages for such databases to express queries...
ISMIS
1997
Springer
13 years 11 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
ER
2010
Springer
13 years 5 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...