8763 search results - page 280 / 1753 » Querying Database Knowledge |
178
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BMCBI
2010
15 years 6 months ago
2010
Background: Biological data have traditionally been stored and made publicly available through a variety of on-line databases, whereas biological knowledge has traditionally been ...
164
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CBMS
2006
IEEE
16 years 22 days ago
2006
IEEE
This paper describes techniques used in a Web-based decision support system to enhance dermatological diagnosis for rural and remote communities. We proposed a technique to improv...
171
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Current keyword-oriented search engines for the World Wide Web do not allow specifying the semantics of queries. We address this limitation with NAGA1 , a new semantic search engi...
320
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
189
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VLDB
1991
ACM
15 years 10 months ago
1991
ACM
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...