Search Results for author: Sean O'Brien

Found 3 papers, 1 papers with code

PathFinder: Guided Search over Multi-Step Reasoning Paths

no code implementations8 Dec 2023 Olga Golovneva, Sean O'Brien, Ramakanth Pasunuru, Tianlu Wang, Luke Zettlemoyer, Maryam Fazel-Zarandi, Asli Celikyilmaz

Using constrained reasoning, PathFinder integrates novel quality constraints, pruning, and exploration methods to enhance the efficiency and the quality of generation.

Pathfinder

Contrastive Decoding Improves Reasoning in Large Language Models

no code implementations17 Sep 2023 Sean O'Brien, Mike Lewis

We demonstrate that Contrastive Decoding -- a simple, computationally light, and training-free text generation method proposed by Li et al 2022 -- achieves large out-of-the-box improvements over greedy decoding on a variety of reasoning tasks.

GSM8K Math +1

Shepherd: A Critic for Language Model Generation

1 code implementation8 Aug 2023 Tianlu Wang, Ping Yu, Xiaoqing Ellen Tan, Sean O'Brien, Ramakanth Pasunuru, Jane Dwivedi-Yu, Olga Golovneva, Luke Zettlemoyer, Maryam Fazel-Zarandi, Asli Celikyilmaz

As large language models improve, there is increasing interest in techniques that leverage these models' capabilities to refine their own outputs.

Language Modelling

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