39 search results - page 5 / 8 » Logical Database Design with Inclusion Dependencies |
ICDT
2007
ACM
15 years 3 months ago
2007
ACM
Abstract. We define and study formal privacy guarantees for information integration systems, where sources are related to a public schema by mappings given by source-to-target dep...
KDD
2008
ACM
15 years 10 months ago
2008
ACM
Researchers in the social and behavioral sciences routinely rely on quasi-experimental designs to discover knowledge from large databases. Quasi-experimental designs (QEDs) exploi...
DOLAP
2010
ACM
14 years 7 months ago
2010
ACM
Object identification is a crucial step in most information systems. Nowadays, we have many different ways to identify entities such as surrogates, keys and object identifiers. Ho...
KR
2010
Springer
15 years 2 months ago
2010
Springer
We consider positive rules in which the conclusion may contain existentially quantified variables, which makes reasoning tasks (such as Deduction) undecidable. These rules have t...
RECSYS
2009
ACM
15 years 4 months ago
2009
ACM
A functional dependency is a logical relationship amongst the attributes that define a table of data. Specifically, a functional dependency holds when the values of a subset of ...