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GRID
2006
Springer
13 years 7 months ago
Toward an On-Demand Restricted Delegation Mechanism for Grids
Grids are intended to enable cross-organizational interactions which makes Grid security a challenging and nontrivial issue. In Grids, delegation is a key facility that can be used...
Mehran Ahsant, Jim Basney, Olle Mulmo, Adam J. Lee...
GRID
2006
Springer
13 years 7 months ago
Providing Portlet-Based Client Access to CIMA-Enabled Crystallographic Instruments, Sensors, and Data
The Common Instrument Middleware Architecture (CIMA) project, supported by the NSF Middleware Initiative, aims at making scientific instruments and sensors remotely accessible by ...
Hao Yin, Donald F. McMullen, Mehmet A. Nacar, Marl...
CG
2007
Springer
13 years 7 months ago
Deferred blending: Image composition for single-pass point rendering
In this paper, we propose novel GPU accelerated algorithms for interactive point-based rendering (PBR) and high-quality shading of transparent point surfaces. By introducing the c...
Yanci Zhang, Renato Pajarola
IR
2006
13 years 7 months ago
A study of mixture models for collaborative filtering
Collaborative filtering is a general technique for exploiting the preference patterns of a group of users to predict the utility of items for a particular user. Three different co...
Rong Jin, Luo Si, Chengxiang Zhai
IR
2006
13 years 7 months ago
Evolving local and global weighting schemes in information retrieval
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
Ronan Cummins, Colm O'Riordan