2223 search results - page 142 / 445 » Query Optimization in an OODBMS |
137
Voted
ICLP
2007
Springer
15 years 7 months ago
2007
Springer
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
218
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ICDE
2005
IEEE
16 years 5 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 ...
218
Voted
VLDB
2006
ACM
16 years 4 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...
107
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PODS
2003
ACM
16 years 3 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 ...
151
Voted
EDBT
2006
ACM
16 years 3 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...