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SPIRE
2009
Springer
16 years 1 months ago
Sketching Algorithms for Approximating Rank Correlations in Collaborative Filtering Systems
Collaborative filtering (CF) shares information between users to provide each with recommendations. Previous work suggests using sketching techniques to handle massive data sets i...
Yoram Bachrach, Ralf Herbrich, Ely Porat
CCGRID
2008
IEEE
16 years 1 months ago
WSRF-Based Modeling of Clinical Trial Information for Collaborative Cancer Research
The CancerGrid consortium is developing openstandards cancer informatics to address the challenges posed by modern cancer clinical trials. This paper presents the service-oriented...
Tianyi Zang, Radu Calinescu, Steve Harris, Andrew ...
COLCOM
2008
IEEE
16 years 1 months ago
A Constraint and Attribute Based Security Framework for Dynamic Role Assignment in Collaborative Environments
Abstract. We investigate a security framework for collaborative applications that relies on the role-based access control (RBAC) model. In our framework, roles are pre-defined and...
Isabel F. Cruz, Rigel Gjomemo, Benjamin Lin, Mirko...
COLCOM
2008
IEEE
16 years 1 months ago
Security through Collaboration in MANETs
It is well understood that Mobile Ad Hoc Networks (MANETs) are extremely susceptible to a variety of attacks, and traditional security mechanisms do not work well. Many security sc...
Wenjia Li, James Parker, Anupam Joshi
HICSS
2008
IEEE
122views Biometrics» more  HICSS 2008»
16 years 1 months ago
Building Inter-organizational Cooperative Network for IT Collaboration
Information technology has been a central enabler in the process toward network society. Despite the critical role of computers in inter-organizational arrangements, coordination ...
Lauri Salmivalli, Hannu Salmela, Timo Kestilä