1180 search results - page 148 / 236 » A Logical Data Model for Integrated Geographical Databases |
161
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
An increasing number of data sources now become available on the Web, but often their contents are only accessible through query interfaces. For a domain of interest, there often ...
135
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
It is envisaged that the application of the multilevel security (MLS) scheme will enhance exibility and e ectiveness of authorization policies in shared enterprise databases and w...
171
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DOLAP
2006
ACM
15 years 10 months ago
2006
ACM
One of the most important tasks performed in the early stages of a data warehouse project is the analysis of the structure and content of the existing data sources and their inten...
124
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RTSS
2006
IEEE
15 years 10 months ago
2006
IEEE
A real-time database is composed of real-time objects whose values remain valid only within their validity intervals. Each object in the database models a real world entity. The f...
208
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
Keyword search is recognized as an important technique to unlocking the information found in both structured and semistructured information. With XML as the data model and XQuery ...