750 search results - page 73 / 150 » Aggregates in Possibilistic Databases |
PODS
2000
ACM
14 years 2 months ago
2000
ACM
We study the problem of auditing databases which support statistical sum queries to protect the security of sensitive information; we focus on the special case in which the sensit...
VLDB
2011
ACM
13 years 5 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Most of the existing work on skyline query has been extensively used in decision support, recommending systems etc, and mainly focuses on the efficiency issue for a single table. ...
ICDE
2005
IEEE
14 years 11 months ago
2005
IEEE
Previous work on mining transactional database has focused primarily on mining frequent itemsets, association rules, and sequential patterns. However, interesting relationships be...
DEXA
2010
Springer
13 years 10 months ago
2010
Springer
There has been a great deal of interest in recent years on ranking query results in relational databases. This paper presents a novel method to rank objects (e.g., tuples) by explo...