8763 search results - page 227 / 1753 » Querying Database Knowledge |
165
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CIKM
2011
Springer
14 years 5 months ago
2011
Springer
There exist many interrelated information sources on the Internet that can be categorized into structured (database) and semistructured (documents). A key challenge is to integrat...
259
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
This work introduces novel polynomial algorithms for processing top-k queries in uncertain databases under the generally adopted model of x-relations. An x-relation consists of a n...
146
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EDBT
2008
ACM
16 years 5 months ago
2008
ACM
Enterprises may have multiple database systems spread across the organization for redundancy or for serving different applications. In such systems, query workloads can be distrib...
149
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CL
2000
Springer
15 years 9 months ago
2000
Springer
In this paper, an algorithm for obtaining consistent answers to queries posed to inconsistent relational databases is presented. The algorith is proven to be sound, terminating and...
148
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PODS
1999
ACM
15 years 9 months ago
1999
ACM
In this paper we consider the problem of the logical characterization of the notion of consistent answer in a relational database that may violate given integrity constraints. Thi...