722 search results - page 1 / 145 » Data Cleaning: Problems and Current Approaches |
DEBU
2000
13 years 4 months ago
2000
We classify data quality problems that are addressed by data cleaning and provide an overview of the main solution approaches. Data cleaning is especially required when integratin...
KDD
2007
ACM
14 years 5 months ago
2007
ACM
In some applications such as filling in a customer information form on the web, some missing values may not be explicitly represented as such, but instead appear as potentially va...
WISE
2005
Springer
13 years 10 months ago
2005
Springer
The Web is a distributed network of information sources where the individual sources are autonomously created and maintained. Consequently, syntactic and semantic heterogeneity of ...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
Data cleaning based on similarities involves identification of "close" tuples, where closeness is evaluated using a variety of similarity functions chosen to suit the do...
CCR
2005
13 years 4 months ago
2005
Today's data networks are surprisingly fragile and difficult to manage. We argue that the root of these problems lies in the complexity of the control and management planes--...