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HIS
2003
13 years 9 months ago
A Hybrid Approach for Learning Parameters of Probabilistic Networks from Incomplete Databases
– Probabilistic Inference Networks are becoming increasingly popular for modeling and reasoning in uncertain domains. In the past few years, many efforts have been made in learni...
S. Haider
SIGIR
2008
ACM
13 years 7 months ago
Discriminative probabilistic models for passage based retrieval
The approach of using passage-level evidence for document retrieval has shown mixed results when it is applied to a variety of test beds with different characteristics. One main r...
Mengqiu Wang, Luo Si
ICNP
2003
IEEE
14 years 1 months ago
Establishing Pairwise Keys for Secure Communication in Ad Hoc Networks: A Probabilistic Approach
A prerequisite for secure communication between two nodes in an ad hoc network is that the nodes share a key to bootstrap their trust relationship. In this paper, we present a sca...
Sencun Zhu, Shouhuai Xu, Sanjeev Setia, Sushil Jaj...
TRUSTBUS
2004
Springer
14 years 1 months ago
Dynamically Changing Trust Structure in Capability Based Access Control Systems
The functioning of modern IT-systems with autonomously acting components requires an elaborate access control system in which each participant can maintain her own trust structure....
Sandra Wortmann, Barbara Sprick, Christoph Kobusch
IJCAI
2007
13 years 9 months ago
Gossip-Based Aggregation of Trust in Decentralized Reputation Systems
Decentralized reputation systems have of late emerged as the prominent method of establishing trust among selfish agents in today’s online environments. A key issue is the effic...
Ariel D. Procaccia, Yoram Bachrach, Jeffrey S. Ros...