199 search results - page 22 / 40 » A Parallel Algebra for Object Databases |
ISSADS
2005
Springer
15 years 3 months ago
2005
Springer
A hierarchy is an arrangement of qualitative values in a tree with certain properties. Hierarchies allow to define the confusion conf(r, s) in using qualitative value r instead of ...
83
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DOOD
1997
Springer
15 years 1 months ago
1997
Springer
Abstract. This work discusses the CROQUE approach to the maintenance problem for materialized views. In a CROQUE database, application-speci ed collections (type extents or classes...
PDP
2008
IEEE
15 years 4 months ago
2008
IEEE
Searching for similar objects in metric-space databases can be efficiently solved by using index data structures. A number of alternative sequential indexes have been proposed in...
163
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
It has been pointed out repeatedly that spatial operations must be extended to include support for 3D and moving objects. The attempt to code by hand each spatial operation for ea...
VLDB
1998
ACM
15 years 1 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...