239 search results - page 15 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
VLDB
1998
ACM
13 years 12 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
ICDCS
2009
IEEE
13 years 5 months ago
2009
IEEE
The balance between privacy and utility is a classical problem with an increasing impact on the design of modern information systems. On the one side it is crucial to ensure that ...
CINQ
2004
Springer
14 years 1 months ago
2004
Springer
We consider the problem of how one can estimate the support of Boolean queries given a collection of frequent itemsets. We describe an algorithm that truncates the inclusion-exclus...
CIDR
2007
13 years 9 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
ESORICS
2006
Springer
13 years 11 months ago
2006
Springer
Data confidentiality is a major concern in database systems. Encryption is a useful tool for protecting the confidentiality of sensitive data. However, when data is encrypted, perf...