365 search results - page 13 / 73 » Data Quality in the Database Systems Course |
JBCS
2002
13 years 8 months ago
2002
This paper presents a new approach for generating configured and flexible middleware systems for integration of heterogeneous and distributed data. The configuration is based on t...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
As databases become more pervasive through the biological sciences, various data quality issues regarding data legacy, data uniformity and data duplication arise. Due to the natur...
DEBU
2008
13 years 8 months ago
2008
Increasingly, companies recognize that most of their important information does not exist in relational stores but in documents. For a long time, textual information has been rela...
SEMCO
2008
IEEE
14 years 2 months ago
2008
IEEE
Recognizing that information from different sources refers to the same (real world) entity is a crucial challenge in instance-level information integration, as it is a pre-requisi...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...