2145 search results - page 15 / 429 » Pattern-Based Query Answering |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...
VLDB
2006
ACM
14 years 10 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...
PODS
2003
ACM
14 years 10 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
SIGMOD
2000
ACM
14 years 2 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...
EDBT
2002
ACM
14 years 10 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...