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» The Massive User Modelling System (MUMS)
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SACMAT
2003
ACM
14 years 21 days ago
Induced role hierarchies with attribute-based RBAC
The Role-Based Access Control (RBAC) model is traditionally used to manually assign users to appropriate roles. When the service-providing enterprise has a massive customer base, ...
Mohammad A. Al-Kahtani, Ravi S. Sandhu
WSDM
2012
ACM
301views Data Mining» more  WSDM 2012»
12 years 3 months ago
Learning evolving and emerging topics in social media: a dynamic nmf approach with temporal regularization
As massive repositories of real-time human commentary, social media platforms have arguably evolved far beyond passive facilitation of online social interactions. Rapid analysis o...
Ankan Saha, Vikas Sindhwani
23
Voted
ISMIR
2005
Springer
135views Music» more  ISMIR 2005»
14 years 29 days ago
Automatic X Traditional Descriptor Extraction: the Case of Chord Recognition
Audio descriptor extraction is the activity of finding mathematical models which describe properties of the sound, requiring signal processing skills. The scientific literature pr...
Giordano Ribeiro de Eulalio Cabral, Françoi...
OTM
2010
Springer
13 years 5 months ago
On the Expressiveness and Trade-Offs of Large Scale Tuple Stores
Massive-scale distributed computing is a challenge at our doorstep. The current exponential growth of data calls for massive-scale capabilities of storage and processing. This is b...
Ricardo Vilaça, Francisco Cruz, Rui Carlos ...
IPL
1998
80views more  IPL 1998»
13 years 7 months ago
The Economics of Large-Memory Computations
We propose, and justify, an economic theory to guide memory system design, operation, and analysis. Our theory treats memory random-access latency, and its cost per installed mega...
Clark D. Thomborson