The algorithm generates the conditional samples for the next level by representing each random variable by an arbitrary number of hidden variables instead of using Markov Chain Monte Carlo.
Reference: Patelli & AU (2015) Efficient Monte Carlo algorithm for rare failure event simulation
The algorithm generates the conditional samples for the next level by representing each random variable by an arbitrary number of hidden variables instead of using Markov Chain Monte Carlo.
Reference: Patelli & AU (2015) Efficient Monte Carlo algorithm for rare failure event simulation