2674 search results - page 102 / 535 » Data Models and Query Languages for Spatial Databases |
183
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GIS
2006
ACM
16 years 3 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
137
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BDA
1993
15 years 3 months ago
1993
We show how structured data stored in files can benefit from standard database technology and in particular be queried and updated using database languages. We introduce the notio...
161
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JIDM
2010
15 years 1 months ago
2010
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
165
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SDB
1995
15 years 6 months ago
1995
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
121
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GEOINFORMATICA
1998
15 years 2 months ago
1998
Due to the increasing popularity of spatial databases, researchers have focused their efforts on improving the query processing performance of the most expensive spatial database ...