248 search results - page 16 / 50 » Knowledge and Metadata Integration for Warehousing Complex D... |
220
Voted
ICDE
2006
IEEE
16 years 5 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...
216
Voted
VLDB
2006
ACM
16 years 3 months 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...
126
Voted
CORR
2010
Springer
15 years 11 days 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...
145
Voted
GLOBE
2008
Springer
15 years 4 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...
131
Voted
DANTE
1999
IEEE
15 years 8 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...