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DIM
2005
ACM
13 years 10 months ago
Establishing and protecting digital identity in federation systems
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
Abhilasha Bhargav-Spantzel, Anna Cinzia Squicciari...
CCS
2005
ACM
14 years 1 months ago
PeerAccess: a logic for distributed authorization
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
Marianne Winslett, Charles C. Zhang, Piero A. Bona...
KDD
2009
ACM
266views Data Mining» more  KDD 2009»
14 years 3 months ago
OpinionMiner: a novel machine learning system for web opinion mining and extraction
Merchants selling products on the Web often ask their customers to share their opinions and hands-on experiences on products they have purchased. Unfortunately, reading through al...
Wei Jin, Hung Hay Ho, Rohini K. Srihari
WWW
2011
ACM
13 years 3 months ago
Generalized fact-finding
Once information retrieval has located a document, and information extraction has provided its contents, how do we know whether we should actually believe it? Fact-finders are a ...
Jeff Pasternack, Dan Roth
ICASSP
2011
IEEE
12 years 12 months ago
A single-port non-parametric model of turn-taking in multi-party conversation
The taking of turns to speak is an intrinsic property of conversation. It is expected that models of taking turns, providing a prior distribution over conversational form, can red...
Kornel Laskowski, Jens Edlund, Mattias Heldner