activity
20192025
most citedHierarchical Pointer Net Parsing

36 citations · 80 across the 12 of their papers we have counts for

collaborators

14 papers

cs.AI2025

Evaluating Legal Reasoning Traces with Legal Issue Tree Rubrics

Jinu Lee, Kyoung-Woon On, Simeng Han +2

Evaluating the quality of LLM-generated reasoning traces in expert domains (e.g., law) is essential for ensuring credibility and explainability, yet remains challenging due to the…

cs.CL2025

Measuring what Matters: Construct Validity in Large Language Model Benchmarks

Andrew M. Bean, Ryan Othniel Kearns, Angelika Romanou +39

Evaluating large language models (LLMs) is crucial for both assessing their capabilities and identifying safety or robustness issues prior to deployment. Reliably measuring abstrac…

cs.AI2025★ 1 cited

Advancing AI Research Assistants with Expert-Involved Learning

Tianyu Liu, Simeng Han, Hanchen Wang +27

Large language models (LLMs) and large multimodal models (LMMs) promise to accelerate biomedical discovery, yet their reliability remains unclear. We introduce ARIEL (AI Research A…

cs.CL2025

ATEB: Evaluating and Improving Advanced NLP Tasks for Text Embedding Models

Simeng Han, Frank Palma Gomez, Tu Vu +6

Traditional text embedding benchmarks primarily evaluate embedding models' capabilities to capture semantic similarity. However, more advanced NLP tasks require a deeper understand…

cs.AI2024

P-FOLIO: Evaluating and Improving Logical Reasoning with Abundant Human-Written Reasoning Chains

Simeng Han, Aaron Yu, Rui Shen +13

Existing methods on understanding the capabilities of LLMs in logical reasoning rely on binary entailment classification or synthetically derived rationales, which are not sufficie…

cs.CL2024

HYBRIDMIND: Meta Selection of Natural Language and Symbolic Language for Enhanced LLM Reasoning

Simeng Han, Tianyu Liu, Chuhan Li +2

LLMs approach logical and mathematical reasoning through natural or symbolic languages. While natural language offers human-accessible flexibility but suffers from ambiguity, symbo…

cs.CL2023★ 3 cited

Benchmarking Generation and Evaluation Capabilities of Large Language Models for Instruction Controllable Summarization

Yixin Liu, Alexander R. Fabbri, Jiawen Chen +7

While large language models (LLMs) can already achieve strong performance on standard generic summarization benchmarks, their performance on more complex summarization task setting…

cs.CL2023

QTSumm: Query-Focused Summarization over Tabular Data

Yilun Zhao, Zhenting Qi, Linyong Nan +9

People primarily consult tables to conduct data analysis or answer specific questions. Text generation systems that can provide accurate table summaries tailored to users' informat…

cs.CL2022★ 4 cited

CREATIVESUMM: Shared Task on Automatic Summarization for Creative Writing

Divyansh Agarwal, Alexander R. Fabbri, Simeng Han +7

This paper introduces the shared task of summarizing documents in several creative domains, namely literary texts, movie scripts, and television scripts. Summarizing these creative…

cs.CL2022★ 4 cited

Revisiting the Gold Standard: Grounding Summarization Evaluation with Robust Human Evaluation

Yixin Liu, Alexander R. Fabbri, Pengfei Liu +8

Human evaluation is the foundation upon which the evaluation of both summarization systems and automatic metrics rests. However, existing human evaluation studies for summarization…

cs.CL2022★ 31 cited

FOLIO: Natural Language Reasoning with First-Order Logic

Simeng Han, Hailey Schoelkopf, Yilun Zhao +32

Large language models (LLMs) have achieved remarkable performance on a variety of natural language understanding tasks. However, existing benchmarks are inadequate in measuring the…

cs.CL2020★ 1 cited

Improving Zero and Few-Shot Abstractive Summarization with Intermediate Fine-tuning and Data Augmentation

Alexander R. Fabbri, Simeng Han, Haoyuan Li +5

Models pretrained with self-supervised objectives on large text corpora achieve state-of-the-art performance on English text summarization tasks. However, these models are typicall…

cs.CL2019

Resurrecting Submodularity for Neural Text Generation

Simeng Han, Xiang Lin, Shafiq Joty

Submodularity is desirable for a variety of objectives in content selection where the current neural encoder-decoder framework is inadequate. However, it has so far not been explor…

cs.CL2019★ 36 cited

Hierarchical Pointer Net Parsing

Linlin Liu, Xiang Lin, Shafiq Joty +2

Transition-based top-down parsing with pointer networks has achieved state-of-the-art results in multiple parsing tasks, while having a linear time complexity. However, the decoder…