Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
In traditional access control models like MAC, DAC, and RBAC, authorization decisions are determined according to identities of subjects and objects, which are authenticated by a ...
We propose a framework for examining trust in the storage stack based on different levels of trustworthiness present across different channels of information flow. We focus on ...
Lakshmi N. Bairavasundaram, Meenali Rungta, Andrea...
During the life cycle of a software system, the source code is changed many times. We study how developers can be enabled to get insight in these changes, in order to understand t...
The interoperability among distributed and autonomous systems is the ultimate challenge facing the semantic web. Heterogeneity of data representation is the main source of problem...