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WSDM
2012
ACM
301views Data Mining» more  WSDM 2012»
14 years 2 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
PRDC
2006
IEEE
16 years 18 days ago
Detecting and Exploiting Symmetry in Discrete-state Markov Models
Dependable systems are usually designed with multiple instances of components or logical processes, and often possess symmetries that may be exploited in model-based evaluation. T...
W. Douglas Obal II, Michael G. McQuinn, William H....
PRDC
2000
IEEE
15 years 10 months ago
Effects of failure correlation on software in operation
Since the early 1970's a number of models have been proposed for estimating software reliability. However, the realism of many of the underlying assumptions and the applicabi...
Katerina Goseva-Popstojanova, Kishor S. Trivedi
IJPP
2011
105views more  IJPP 2011»
15 years 1 months ago
Correlating Radio Astronomy Signals with Many-Core Hardware
A recent development in radio astronomy is to replace traditional dishes with many small antennas. The signals are combined to form one large, virtual telescope. The enormous data ...
Rob van Nieuwpoort, John W. Romein
PVLDB
2008
116views more  PVLDB 2008»
15 years 6 months ago
Tighter estimation using bottom k sketches
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
Edith Cohen, Haim Kaplan