Search Results for author: Ivan Gavran

Found 3 papers, 0 papers with code

Lassie: HOL4 Tactics by Example

no code implementations4 Jan 2021 Heiko Becker, Nathaniel Bos, Ivan Gavran, Eva Darulova, Rupak Majumdar

We present Lassie, a tactic framework for the HOL4 theorem prover that allows individual users to define their own tactic language by example and give frequently used tactics or tactic combinations easier-to-remember names.

Automated Theorem Proving Programming Languages

Joint Inference of Reward Machines and Policies for Reinforcement Learning

no code implementations12 Sep 2019 Zhe Xu, Ivan Gavran, Yousef Ahmad, Rupak Majumdar, Daniel Neider, Ufuk Topcu, Bo Wu

The experiments show that learning high-level knowledge in the form of reward machines can lead to fast convergence to optimal policies in RL, while standard RL methods such as q-learning and hierarchical RL methods fail to converge to optimal policies after a substantial number of training steps in many tasks.

Q-Learning reinforcement-learning +1

Precise but Natural Specification for Robot Tasks

no code implementations6 Mar 2018 Ivan Gavran, Brendon Boldt, Eva Darulova, Rupak Majumdar

We present Flipper, a natural language interface for describing high-level task specifications for robots that are compiled into robot actions.

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