365 search results - page 19 / 73 » Data Quality in the Database Systems Course |
SIGMOD
2008
ACM
14 years 8 months ago
2008
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...
WEBDB
2009
Springer
14 years 3 months ago
2009
Springer
Recently, the opportunity of extracting structured data from the Web has been identified by a number of research projects. One such example is that millions of relational-style H...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Text documents often embed data that is structured in nature. By processing a text database with information extraction systems, we can define a variety of structured "relati...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Uncertain data streams, where data is incomplete, imprecise, and even misleading, have been observed in many environments. Feeding such data streams to existing stream systems pro...
CATE
2004
13 years 10 months ago
2004
Recently web-based educational systems collect vast amounts of data on user patterns, and data mining methods can be applied to these databases to discover interesting associations...