14248 search results - page 168 / 2850 » Queries |
206
Voted
ICDE
2005
IEEE
16 years 3 months ago
2005
IEEE
The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that relational systems can do ...
107
click to vote
WWW
2007
ACM
16 years 3 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...
110
Voted
KDD
2008
ACM
16 years 3 months ago
2008
ACM
We introduce the problem of query decomposition, where we are given a query and a document retrieval system, and we want to produce a small set of queries whose union of resulting...
205
Voted
VLDB
2006
ACM
16 years 2 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...
201
click to vote
VLDB
2007
ACM
16 years 2 months ago
2007
ACM
This paper focuses on the problem of improving distributed query throughput of the RDBMS-based data integration system that has to inherit the query execution model of the underly...