1654 search results - page 16 / 331 » Ontology Based Query Processing in Database Management Syste... |
185
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ICDE
1999
IEEE
16 years 1 months ago
1999
IEEE
Nowadays, structured data such as sales and business forms are stored in data warehouses for decision makers to use. Further, unstructured data such as emails, html texts, images,...
126
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EDBT
2009
ACM
14 years 9 months ago
2009
ACM
Data Stream Management Systems (DSMS) operate under strict performance requirements. Key to meeting such requirements is to efficiently handle time-critical tasks such as managing...
162
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
114
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CCS
2008
ACM
15 years 1 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Since the 1970’s, database systems have been “compute-centric”. When a computation needs the data, it requests the data, and the data are pulled through the system. We belie...