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» ASQA: Agent Supported Question Answering System
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WISEC
2009
ACM
16 years 22 days ago
Towards a theory for securing time synchronization in wireless sensor networks
Time synchronization in highly distributed wireless systems like sensor and ad hoc networks is extremely important in order to maintain a consistent notion of time throughout the ...
Murtuza Jadliwala, Qi Duan, Shambhu J. Upadhyaya, ...
CANDC
2009
ACM
15 years 3 months ago
A tale of two online communities: fostering collaboration and creativity in scientists and children
There has been much recent interest in the development of tools to foster remote collaboration and shared creative work. An open question is: what are the guidelines for this proc...
Cecilia R. Aragon, Sarah S. Poon, Andrés Mo...
ICTAI
2009
IEEE
16 years 18 days ago
Managing Authorization Provenance: A Modal Logic Based Approach
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
ATAL
2010
Springer
15 years 7 months ago
Worst-case efficiency ratio in false-name-proof combinatorial auction mechanisms
This paper analyzes the worst-case efficiency ratio of falsename-proof combinatorial auction mechanisms. False-nameproofness generalizes strategy-proofness by assuming that a bidd...
Atsushi Iwasaki, Vincent Conitzer, Yoshifusa Omori...
AAAI
1990
15 years 7 months ago
Backward Model Tracing: An Explanation-Based Approach for Reconstructing Student Reasoning
An original methodology, called backward model tracing to model student performance which features a profitable integration of the bug collection and bug construction techniques i...
Danilo Fum, Paolo Giangrandi, Carlo Tasso