Search Results for author: George Trimponias

Found 6 papers, 1 papers with code

Online Bayesian Moment Matching based SAT Solver Heuristics

no code implementations ICML 2020 Haonan Duan, Saeed Nejati, George Trimponias, Pascal Poupart, Vijay Ganesh

Our solvers out-perform the baselines by solving 12 more instances from the SAT competition 2018 application benchmark and are %40 faster on average in solving hard cryptographic instances.

Reinforcement Learning with Exogenous States and Rewards

no code implementations22 Mar 2023 George Trimponias, Thomas G. Dietterich

Exogenous state variables and rewards can slow reinforcement learning by injecting uncontrolled variation into the reward signal.

reinforcement-learning

Multi-objective Neural Architecture Search via Non-stationary Policy Gradient

no code implementations23 Jan 2020 Zewei Chen, Fengwei Zhou, George Trimponias, Zhenguo Li

Despite recent progress, the problem of approximating the full Pareto front accurately and efficiently remains challenging.

Neural Architecture Search Reinforcement Learning (RL)

Comparing EM with GD in Mixture Models of Two Components

1 code implementation8 Jul 2019 Guojun Zhang, Pascal Poupart, George Trimponias

In the case of mixtures of Bernoullis, we find that there exist one-cluster regions that are stable for GD and therefore trap GD, but those regions are unstable for EM, allowing EM to escape.

Vocal Bursts Valence Prediction

Dynamic Sum Product Networks for Tractable Inference on Sequence Data (Extended Version)

no code implementations13 Nov 2015 Mazen Melibari, Pascal Poupart, Prashant Doshi, George Trimponias

Since SPNs represent distributions over a fixed set of variables only, we propose dynamic sum product networks (DSPNs) as a generalization of SPNs for sequence data of varying length.

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