About

I am a Senior Applied Scientist at Microsoft Office of Applied Research, where I work on applications of language models.

I recently received my Ph.D. from the University of Pennsylvania, where I worked with Dan Roth.


Publications
Dense X Retrieval: What Retrieval Granularity Should We Use?
Tong Chen, Hongwei Wang, Sihao Chen, Wenhao Yu, Kaixin Ma, Xinran Zhao, Hongming Zhang, Dong Yu
EMNLP, 2024
[dataset] [code]

MixGR :Enhancing Retriever Generalization for Scientific Domain through Complementary Granularity
Fengyu Cai, Xinran Zhao, Tong Chen, Sihao Chen, Hongming Zhang, Iryna Gurevych, Heinz Koeppl
EMNLP, 2024
[code]

Beyond Relevance: Evaluate and Improve Retrievers on Perspective Awareness
Xinran Zhao, Tong Chen, Sihao Chen, Hongming Zhang, Tongshuang Wu
COLM, 2024
[code]

The Language Barrier: Dissecting Safety Challenges of LLMs in Multilingual Contexts
Lingfeng Shen, Weiting Tan, Sihao Chen, Yunmo Chen, Jingyu Zhang, Haoran Xu, Boyuan Zheng, Philipp Koehn, Daniel Khashabi
ACL (Findings), 2024


Sub-sentence Encoder: Contrastive Learning of Propositional Semantic Representations
Sihao Chen, Hongming Zhang, Tong Chen, Ben Zhou, Wenhao Yu, Dian Yu, Baolin Peng, Hongwei Wang, Dan Roth, Dong Yu
NAACL, 2024
[code]

ExpertQA: Expert-Curated Questions and Attributed Answers
Chaitanya Malaviya, Subin Lee, Sihao Chen, Elizabeth Sieber, Mark Yatskar, Dan Roth
NAACL, 2024
[code]

The Trickle-down Impact of Reward (In-)consistency on RLHF
Lingfeng Shen and Sihao Chen and Linfeng Song and Lifeng Jin and Baolin Peng and Haitao Mi and Daniel Khashabi and Dong Yu
ICLR, 2024
[code]

Using LLM for Improving Key Event Discovery: Temporal-Guided News Stream Clustering with Event Summaries
Nishanth Nakshatri, Siyi Liu, Sihao Chen, Daniel J Hopkins, Dan Roth, Dan Goldwasser
EMNLP (Findings), 2023


PropSegmEnt: A Large-Scale Corpus for Proposition-Level Segmentation and Entailment Recognition
Sihao Chen, Senaka Buthpitiya, Alex Fabrikant, Dan Roth, Tal Schuster
ACL (Findings), 2023
[dataset] [code]

Stretching Sentence-Pair NLI datasets to Reason Over Long Document And Clusters
Tal Schuster, Sihao Chen, Senaka Buthpitiya, Alex Fabrikant, Donald Metzler
EMNLP (Findings), 2022


Design Challenge for a Multi-Perspective Search Engine
Sihao Chen*, Siyi Liu*, Xander Uyttendaele, William Bruno, Yi Zhang and Dan Roth
NAACL (Findings), 2022
[code]

Improving Faithfulness in Abstractive Summarization with Contrast Candidate Generation and Selection
Sihao Chen, Fan Zhang, Kazoo Sone and Dan Roth
NAACL, 2021
[code]

MULTIOPED:A Corpus of Multi-Perspective News Editorials
Siyi Liu, Sihao Chen, Xander Uyttendaele and Dan Roth
NAACL, 2021
[dataset] [code]

Evaluating Models’ Local Decision Boundaries via Contrast Sets
Matt Gardner, Yoav Artzi, Victoria Basmova, Jonathan Berant, Ben Bogin, Sihao Chen, Pradeep Dasigi, Dheeru Dua, Yanai Elazar, Ananth Gottumukkala, Nitish Gupta, Hanna Hajishirzi, Gabriel Ilharco, Daniel Khashabi, Kevin Lin, Jiangming Liu, Nelson F. Liu, Phoebe Mulcaire, Qiang Ning, Sameer Singh, Noah A. Smith, Sanjay Subramanian, Reut Tsarfaty, Eric Wallace, Ally Zhang, Ben Zhou
EMNLP Findings, 2020
[dataset] [code]

Do VQA Models Know What to Look At?
Weiyu Du, Sihao Chen, Yijie Zhao, Jianbo Shi, Dan Roth
Women in CV (WiCV) Workshop at ECCV, 2020


PerspectroScope: A Window to the World of Diverse Perspectives
Sihao Chen, Daniel Khashabi, Chris Callison-Burch and Dan Roth
ACL - Demos, 2019
[code]

Seeing Things from a Different Angle: Discovering Diverse Perspectives about Claims
Sihao Chen, Daniel Khashabi, Wenpeng Yin, Chris Callison-Burch and Dan Roth
NAACL, 2019
[dataset] [code]

Preprints
Conceptual and Unbiased Reasoning in Language Models
Ben Zhou, Hongming Zhang, Sihao Chen, Dian Yu, Hongwei Wang, Baolin Peng, Dan Roth, Dong Yu
2024


Interpretable by Design Visual Question Answering
Xingyu Fu, Ben Zhou, Sihao Chen, Mark Yatskar, Dan Roth
2023


Towards Corpus-Scale Discovery of Selection Biases in News Coverage: Comparing What Sources Say About Entities as a Start
Sihao Chen, William Bruno, Dan Roth
2023


Book Chapters
Toward Automatic Discovery of Diverse Perspectives
Sihao Chen, Daniel Khashabi, Dan Roth
In Creating a More Transparent Internet: The Perspective Web
Cambridge University Press, 2022