44 search results - page 2 / 9 » Handling Inconsistency of Vague Relations with Functional De... |
ICDT
2007
ACM
13 years 11 months ago
2007
ACM
With the rise of XML as a standard model of data exchange, XML functional dependencies (XFDs) have become important to areas such as key analysis, document normalization, and data ...
ICDE
2010
IEEE
14 years 2 months ago
2010
IEEE
— One of the central problems for data quality is inconsistency detection. Given a database D and a set Σ of dependencies as data quality rules, we want to identify tuples in D ...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...
VLDB
1989
ACM
13 years 9 months ago
1989
ACM
Fuzzy set theory represents a uniform framework for extending the relational database model to han-, dle imprecision of information found in the real world. None of the existing p...