19 search results - page 2 / 4 » Consistent query answering under primary keys: a characteriz... |
DKE
2010
13 years 4 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
DBPL
2005
Springer
2005
Springer
Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints
13 years 10 months ago
Consistent query answering is the problem of computing the answers from a database that are consistent with respect to certain integrity constraints that the database as a whole ma...
DEXAW
2006
IEEE
13 years 6 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...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
Matching dependencies (MDs) are used to declaratively specify the identification (or matching) of certain attribute values in pairs of database tuples when some similarity conditi...
AMW
2009
13 years 6 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...