186 search results - page 18 / 38 » Queries and materialized views on probabilistic databases |
116
Voted
DKE
1999
15 years 6 days ago
1999
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
107
Voted
PODS
1997
ACM
15 years 4 months ago
1997
ACM
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
94
Voted
WWW
2007
ACM
16 years 1 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
128
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SIGMOD
2000
ACM
15 years 4 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
87
Voted
EDBTW
2006
Springer
15 years 4 months ago
2006
Springer
Abstract. We discuss, compare and relate some old and some new models for incomplete and probabilistic databases. We characterize the expressive power of c-tables over infinite dom...