activity
20192026
most citedSummarization Programs: Interpretable Abstractive Summarization with Neural Modular Trees

7 citations · 29 across the 24 of their papers we have counts for

collaborators

26 papers

cs.AI2026

Autodata: An agentic data scientist to create high quality synthetic data

Ilia Kulikov, Chenxi Whitehouse, Tianhao Wu +12

We introduce Autodata, a general method that enables AI agents to act as data scientists who build high quality training and evaluation data. We show how to train (meta-optimize) s…

cs.AI2026

Reasoning over mathematical objects: on-policy reward modeling and test time aggregation

Pranjal Aggarwal, Marjan Ghazvininejad, Seungone Kim +18

The ability to precisely derive mathematical objects is a core requirement for downstream STEM applications, including mathematics, physics, and chemistry, where reasoning must cul…

cs.CL2026

Text-to-Stage: Spatial Layouts from Long-form Narratives

Jefferson Hernandez, Swarnadeep Saha, Chenxi Whitehouse +6

In this work, we probe the ability of a language model to demonstrate spatial reasoning from unstructured text, mimicking human capabilities and automating a process that benefits…

cs.CL2025

Hybrid Reinforcement: When Reward Is Sparse, It's Better to Be Dense

Leitian Tao, Ilia Kulikov, Swarnadeep Saha +5

Post-training for reasoning of large language models (LLMs) increasingly relies on verifiable rewards: deterministic checkers that provide 0-1 correctness signals. While reliable,…

cs.CL2025

The Majority is not always right: RL training for solution aggregation

Wenting Zhao, Pranjal Aggarwal, Swarnadeep Saha +3

Scaling up test-time compute, by generating multiple independent solutions and selecting or aggregating among them, has become a central paradigm for improving large language model…

cs.CL2025★ 1 cited

Jointly Reinforcing Diversity and Quality in Language Model Generations

Tianjian Li, Yiming Zhang, Ping Yu +5

Post-training of Large Language Models (LMs) often prioritizes accuracy and helpfulness at the expense of diversity. This creates a tension: while post-training improves response q…

cs.CL2025★ 1 cited

OptimalThinkingBench: Evaluating Over and Underthinking in LLMs

Pranjal Aggarwal, Seungone Kim, Jack Lanchantin +4

Thinking LLMs solve complex tasks at the expense of increased compute and overthinking on simpler problems, while non-thinking LLMs are faster and cheaper but underthink on harder…

cs.CL2025

Bridging Offline and Online Reinforcement Learning for LLMs

Jack Lanchantin, Angelica Chen, Janice Lan +9

We investigate the effectiveness of reinforcement learning methods for finetuning large language models when transitioning from offline to semi-online to fully online regimes for b…

cs.CL2025★ 1 cited

J1: Incentivizing Thinking in LLM-as-a-Judge via Reinforcement Learning

Chenxi Whitehouse, Tianlu Wang, Ping Yu +4

The progress of AI is bottlenecked by the quality of evaluation, making powerful LLM-as-a-Judge models a core solution. The efficacy of these judges depends on their chain-of-thoug…

cs.AI2025

Learning to Plan & Reason for Evaluation with Thinking-LLM-as-a-Judge

Swarnadeep Saha, Xian Li, Marjan Ghazvininejad +2

LLM-as-a-Judge models generate chain-of-thought (CoT) sequences intended to capture the step-bystep reasoning process that underlies the final evaluation of a response. However, du…

cs.CL2024★ 1 cited

MAgICoRe: Multi-Agent, Iterative, Coarse-to-Fine Refinement for Reasoning

Justin Chih-Yao Chen, Archiki Prasad, Swarnadeep Saha +2

Large Language Models' (LLM) reasoning can be improved using test-time aggregation strategies, i.e., generating multiple samples and voting among generated samples. While these imp…

cs.AI2024★ 1 cited

System-1.x: Learning to Balance Fast and Slow Planning with Language Models

Swarnadeep Saha, Archiki Prasad, Justin Chih-Yao Chen +3

Language models can be used to solve long-horizon planning problems in two distinct modes: a fast 'System-1' mode, directly generating plans without any explicit search or backtrac…

cs.CL2024★ 1 cited

MAGDi: Structured Distillation of Multi-Agent Interaction Graphs Improves Reasoning in Smaller Language Models

Justin Chih-Yao Chen, Swarnadeep Saha, Elias Stengel-Eskin +1

Multi-agent interactions between Large Language Model (LLM) agents have shown major improvements on diverse reasoning tasks. However, these involve long generations from multiple m…

cs.CL2023★ 1 cited

Branch-Solve-Merge Improves Large Language Model Evaluation and Generation

Swarnadeep Saha, Omer Levy, Asli Celikyilmaz +3

Large Language Models (LLMs) are frequently used for multi-faceted language generation and evaluation tasks that involve satisfying intricate user constraints or taking into accoun…

cs.CL2023★ 4 cited

ReConcile: Round-Table Conference Improves Reasoning via Consensus among Diverse LLMs

Justin Chih-Yao Chen, Swarnadeep Saha, Mohit Bansal

Large Language Models (LLMs) still struggle with natural language reasoning tasks. Motivated by the society of minds (Minsky, 1988), we propose ReConcile, a multi-model multi-agent…

cs.CL2023★ 1 cited

Can Language Models Teach Weaker Agents? Teacher Explanations Improve Students via Personalization

Swarnadeep Saha, Peter Hase, Mohit Bansal

A hallmark property of explainable AI models is the ability to teach other agents, communicating knowledge of how to perform a task. While Large Language Models perform complex rea…

cs.CL2023

ReCEval: Evaluating Reasoning Chains via Correctness and Informativeness

Archiki Prasad, Swarnadeep Saha, Xiang Zhou +1

Multi-step reasoning ability is fundamental to many natural language tasks, yet it is unclear what constitutes a good reasoning chain and how to evaluate them. Most existing method…

cs.CL2022★ 2 cited

MURMUR: Modular Multi-Step Reasoning for Semi-Structured Data-to-Text Generation

Swarnadeep Saha, Xinyan Velocity Yu, Mohit Bansal +2

Prompting large language models has enabled significant recent progress in multi-step reasoning over text. However, when applied to text generation from semi-structured data (e.g.,…

cs.CL2022★ 1 cited

Are Hard Examples also Harder to Explain? A Study with Human and Model-Generated Explanations

Swarnadeep Saha, Peter Hase, Nazneen Rajani +1

Recent work on explainable NLP has shown that few-shot prompting can enable large pretrained language models (LLMs) to generate grammatical and factual natural language explanation…

cs.CL2022★ 7 cited

Summarization Programs: Interpretable Abstractive Summarization with Neural Modular Trees

Swarnadeep Saha, Shiyue Zhang, Peter Hase +1

Current abstractive summarization models either suffer from a lack of clear interpretability or provide incomplete rationales by only highlighting parts of the source document. To…

cs.CL2022★ 1 cited

Explanation Graph Generation via Pre-trained Language Models: An Empirical Study with Contrastive Learning

Swarnadeep Saha, Prateek Yadav, Mohit Bansal

Pre-trained sequence-to-sequence language models have led to widespread success in many natural language generation tasks. However, there has been relatively less work on analyzing…

cs.CL2021

multiPRover: Generating Multiple Proofs for Improved Interpretability in Rule Reasoning

Swarnadeep Saha, Prateek Yadav, Mohit Bansal

We focus on a type of linguistic formal reasoning where the goal is to reason over explicit knowledge in the form of natural language facts and rules (Clark et al., 2020). A recent…

cs.CL2021

ExplaGraphs: An Explanation Graph Generation Task for Structured Commonsense Reasoning

Swarnadeep Saha, Prateek Yadav, Lisa Bauer +1

Recent commonsense-reasoning tasks are typically discriminative in nature, where a model answers a multiple-choice question for a certain context. Discriminative tasks are limiting…

cs.CL2020

ConjNLI: Natural Language Inference Over Conjunctive Sentences

Swarnadeep Saha, Yixin Nie, Mohit Bansal

Reasoning about conjuncts in conjunctive sentences is important for a deeper understanding of conjunctions in English and also how their usages and semantics differ from conjunctiv…