248 search results - page 16 / 50 » Knowledge and Metadata Integration for Warehousing Complex D... |
185
Voted
ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
184
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VLDB
2006
ACM
16 years 19 days ago
2006
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
101
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CORR
2010
Springer
14 years 9 months ago
2010
Springer
Research in the Life Sciences depends on the integration of large, distributed and heterogeneous data sources and web services. The discovery of which of these resources are the mo...
112
Voted
GLOBE
2008
Springer
15 years 1 months ago
2008
Springer
This paper addresses the problem of data integration in a P2P environment, where each peer stores schema of its local data, mappings between the schemas, and some schema constraint...
102
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DANTE
1999
IEEE
15 years 4 months ago
1999
IEEE
Data warehouse refreshment is often viewed as a problem of maintaining materialized views over operational sources. In this paper, we show that the data warehouse refreshment proc...