151 search results - page 4 / 31 » Materializing views with minimal size to answer queries |
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
When a client submits a set of XPath queries to a XML database on a network, the set of answer sets sent back by the database may include redundancy in two ways: some elements may...
DEXAW
2006
IEEE
13 years 10 months ago
2006
IEEE
A database D may be inconsistent wrt a given set IC of integrity constraints. Consistent Query Answering is the problem of computing from D the answers to a query that are consist...
ER
2003
Springer
14 years 1 months ago
2003
Springer
We consider the problem of improving the efficiency of query processing on an XML interface of a relational database, for predefined query workloads. The main contribution of this ...
ICDT
2001
ACM
14 years 25 days ago
2001
ACM
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...