922 search results - page 54 / 185 » Attribute based data sharing with attribute revocation |
WWW
2010
ACM
15 years 17 hour ago
2010
ACM
Relational autocorrelation is ubiquitous in relational domains. This observed correlation between class labels of linked instances in a network (e.g., two friends are more likely ...
113
click to vote
BTW
2009
Springer
15 years 4 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
DASFAA
2004
IEEE
15 years 3 months ago
2004
IEEE
For event filtering of publish/subscribe system, significant research efforts have been dedicated to techniques based on multiple one-dimensional indexes built on attributes of sub...
125
click to vote
APWEB
2006
Springer
15 years 3 months ago
2006
Springer
Clustering is to identify densely populated subgroups in data, while correlation analysis is to find the dependency between the attributes of the data set. In this paper, we combin...
PAKDD
2009
ACM
15 years 6 months ago
2009
ACM
Abstract. An object o of a database D is called a hot item, if there is a sufficiently large population of other objects in D that are similar to o. In other words, hot items are ...