3456 search results - page 431 / 692 » Semantics in Spatial Databases |
173
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JIDM
2010
15 years 5 months ago
2010
Data Warehouse (DW), On-Line Analytical Processing (OLAP) and Geographical Information System (GIS) are tools for providing decision-making support. Much research is aimed at inte...
200
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WSDM
2010
ACM
16 years 4 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
185
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TVCG
2002
15 years 6 months ago
2002
Image databases are nowadays widely exploited in a number of different contexts, ranging from history of art, through medicine, to education. Existing querying paradigms are based ...
271
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Validation of multi-column schema matchings is essential for successful database integration. This task is especially difficult when the databases to be integrated contain little o...
182
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...