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172
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GLOBECOM
2009
IEEE
15 years 10 months ago
Measurement Based Capacity Scavenging via Whitespace Modeling in Wireless Networks
Dynamic Spectrum Access can enable secondary network users to access unused spectrum, or whitespace, which is found between the transmissions of primary users in a wireless networ...
Anthony Plummer Jr., Mahmoud Taghizadeh, Subir Bis...
ACSD
2007
IEEE
93views Hardware» more  ACSD 2007»
15 years 9 months ago
SAT-based Unbounded Model Checking of Timed Automata
We present an improvement of the SAT-based Unbounded Model Checking (UMC) algorithm. UMC, a symbolic approach introduced in [7], uses propositional formulas in conjunctive normal ...
Wojciech Penczek, Maciej Szreter
CORR
2008
Springer
179views Education» more  CORR 2008»
15 years 7 months ago
Practical Automated Partial Verification of Multi-Paradigm Real-Time Models
This article introduces a fully automated verification technique that permits to analyze real-time systems described using a continuous notion of time and a mixture of operational...
Carlo A. Furia, Matteo Pradella, Matteo Rossi
CORR
2008
Springer
107views Education» more  CORR 2008»
15 years 7 months ago
A Spectral Algorithm for Learning Hidden Markov Models
Hidden Markov Models (HMMs) are one of the most fundamental and widely used statistical tools for modeling discrete time series. In general, learning HMMs from data is computation...
Daniel Hsu, Sham M. Kakade, Tong Zhang
200
Voted
EOR
2010
125views more  EOR 2010»
15 years 7 months ago
Efficient estimation of large portfolio loss probabilities in t-copula models
We consider the problem of accurately measuring the credit risk of a portfolio consisting of loans, bonds and other financial assets. One particular performance measure of interes...
Joshua C. C. Chan, Dirk P. Kroese