1125 search results - page 49 / 225 » Query Answering in Inconsistent Databases |
ICDE
1998
IEEE
14 years 2 months ago
1998
IEEE
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
ECAI
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. We study privacy guarantees for the owner of an information system who wants to share some of the information in the system with clients while keeping some other informat...
PODS
2004
ACM
14 years 10 months ago
2004
ACM
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
PVLDB
2010
13 years 8 months ago
2010
We consider the problem of efficiently finding the top-k answers for join queries over web-accessible databases. Classical algorithms for finding top-k answers use branch-and-b...
ICDT
2012
ACM
12 years 14 days ago
2012
ACM
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...