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UM
2009
Springer
16 years 1 months ago
What Have the Neighbours Ever Done for Us? A Collaborative Filtering Perspective
Collaborative filtering (CF) techniques have proved to be a powerful and popular component of modern recommender systems. Common approaches such as user-based and item-based metho...
Rachael Rafter, Michael P. O'Mahony, Neil J. Hurle...
SACMAT
2009
ACM
16 years 1 months ago
An algebra for fine-grained integration of XACML policies
Collaborative and distributed applications, such as dynamic coalitions and virtualized grid computing, often require integrating access control policies of collaborating parties. ...
Prathima Rao, Dan Lin, Elisa Bertino, Ninghui Li, ...
SBCCI
2009
ACM
145views VLSI» more  SBCCI 2009»
16 years 1 months ago
Pipelined successive approximation conversion (PSAC) with error correction for a CMOS ophthalmic sensor
The purpose of this work is the proposal of a 10-Bit / 1 MSPS Analog to Digital Converter (ADC) with error correction to match the requirements of a CMOS wavefront sensor for opht...
Frank Sill, Davies W. de Lima Monteiro
BIBM
2008
IEEE
134views Bioinformatics» more  BIBM 2008»
16 years 1 months ago
New Approaches to Compare Phylogenetic Search Heuristics
We present new and novel insights into the behavior of two maximum parsimony heuristics for building evolutionary trees of different sizes. First, our results show that the heuris...
Seung-Jin Sul, Suzanne Matthews, Tiffani L. Willia...
CDC
2008
IEEE
136views Control Systems» more  CDC 2008»
16 years 1 months ago
Estimation over heterogeneous sensor networks
Abstract— Design trade-offs between estimation performance, processing delay and communication cost for a sensor scheduling problem is discussed. We consider a heterogeneous sens...
Henrik Sandberg, Maben Rabi, Mikael Skoglund, Karl...