403 search results - page 48 / 81 » Constraint Databases and Geographic Information Systems |
120
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SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Real-world databases often contain syntactic and semantic errors, in spite of integrity constraints and other safety measures incorporated into modern DBMSs. We present ERACER, an...
DOLAP
2004
ACM
15 years 5 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
194
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GIS
2005
ACM
16 years 26 days ago
2005
ACM
Nearest neighbor (NN) searches represent an important class of queries in geographic information systems (GIS). Most nearest neighbor algorithms rely on static distance informatio...
114
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ICCV
2009
IEEE
16 years 4 months ago
2009
IEEE
The state-of-the art in visual object retrieval from large
databases allows to search millions of images on the object
level. Recently, complementary works have proposed systems
...
ER
1998
Springer
15 years 4 months ago
1998
Springer
Abstract. Database applications are frequently faced with the necessity of representing time varying information and, particularly in the management of information systems, a few k...