183 search results - page 1 / 37 » Conditional Dependencies: A Principled Approach to Improving... |
BNCOD
2009
13 years 6 months ago
2009
Real-life date is often dirty and costs billions of pounds to businesses worldwide each year. This paper presents a promising approach to improving data quality. It effectively det...
PVLDB
2008
13 years 4 months ago
2008
We present SEMANDAQ, a prototype system for improving the quality of relational data. Based on the recently proposed conditional functional dependencies (CFDs), it detects and rep...
PAKDD
2005
ACM
13 years 10 months ago
2005
ACM
The usefulness of the results produced by data mining methods can be critically impaired by several factors such as (1) low quality of data, including errors due to contamination, ...
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 ...
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
In information retrieval, relevance of documents with respect to queries is usually judged by humans, and used in evaluation and/or learning of ranking functions. Previous work ha...