142 search results - page 13 / 29 » Consistent Query Answers in Inconsistent Databases |
JAPLL
2008
13 years 7 months ago
2008
We introduce a general framework for reasoning with prioritized propositional data by aggregation of distance functions. Our formalism is based on a possible world semantics, wher...
VLDB
2004
ACM
14 years 7 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
An approximate search query on a collection of strings finds those strings in the collection that are similar to a given query string, where similarity is defined using a given si...
CIDR
2011
12 years 11 months ago
2011
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...
ER
2001
Springer
14 years 2 days ago
2001
Springer
A Data Warehouse (DW) can be used to integrate data from multiple distributed data sources. A DW can be seen as a set of materialized views that determine its schema and its conten...