297 search results - page 5 / 60 » On the Decidability of Consistent Query Answering |
AMW
2009
13 years 8 months ago
2009
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
CASCON
2004
13 years 8 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
PODS
2004
ACM
14 years 7 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...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
RR
2007
Springer
14 years 1 months ago
2007
Springer
