publié le: December 2010
We propose the role-and-relation-based access control (R2BAC) model for workflow authorization systems. In R2BAC, in addition to a user’s role member...
Anonymity with identity escrow attempts to allow users of an online service to remain anonymous, while providing the possibility that the service own...
publié le: August 2012.
In this article, we present a factoid question-answering system, Sibyl, specifically tailored for question answering (QA) on spoken-word documents. T...
publié le: June 2008
A novel probabilistic retrieval model is presented. It forms a basis to interpret the TF-IDF term weights as making relevance decisions.
The Internet is frequently used as a medium for exchange of information and opinions, as well as propaganda dissemination. In this study the use of s...
