activity
20202026
most citedBeyond Single Embeddings: Capturing Diverse Targets with Multi-Query Retrieval

1 citations · 1 across the 8 of their papers we have counts for

collaborators

8 papers

cs.CL2026

RVR: Retrieve-Verify-Retrieve for Comprehensive Question Answering

Deniz Qian, Hung-Ting Chen, Eunsol Choi

Comprehensively retrieving diverse documents is crucial to address queries that admit a wide range of valid answers. We introduce retrieve-verify-retrieve (RVR), a multi-round retr…

cs.CL2025★ 1 cited

Beyond Single Embeddings: Capturing Diverse Targets with Multi-Query Retrieval

Hung-Ting Chen, Xiang Liu, Shauli Ravfogel +1

Most text retrievers generate \emph{one} query vector to retrieve relevant documents. Yet, the conditional distribution of relevant documents for the query may be multimodal, e.g.,…

cs.CL2024

Open-World Evaluation for Retrieving Diverse Perspectives

Hung-Ting Chen, Eunsol Choi

We study retrieving a set of documents that covers various perspectives on a complex and contentious question (e.g., will ChatGPT do more harm than good?). We curate a Benchmark fo…

cs.CL2024

CaLMQA: Exploring culturally specific long-form question answering across 23 languages

Shane Arora, Marzena Karpinska, Hung-Ting Chen +3

Despite rising global usage of large language models (LLMs), their ability to generate long-form answers to culturally specific questions remains unexplored in many languages. To f…

cs.CL2023

Understanding Retrieval Augmentation for Long-Form Question Answering

Hung-Ting Chen, Fangyuan Xu, Shane Arora +1

How retrieved documents are used in language models (LMs) for long-form generation task is understudied. We present two controlled studies on retrieval-augmented LM for long-form q…

cs.CL2023

Continually Improving Extractive QA via Human Feedback

Ge Gao, Hung-Ting Chen, Yoav Artzi +1

We study continually improving an extractive question answering (QA) system via human user feedback. We design and deploy an iterative approach, where information-seeking users ask…

cs.CL2022

Rich Knowledge Sources Bring Complex Knowledge Conflicts: Recalibrating Models to Reflect Conflicting Evidence

Hung-Ting Chen, Michael J. Q. Zhang, Eunsol Choi

Question answering models can use rich knowledge sources -- up to one hundred retrieved passages and parametric knowledge in the large-scale language model (LM). Prior work assumes…

cs.CL2020

Predict and Use Latent Patterns for Short-Text Conversation

Hung-Ting Chen, Yu-Chieh Chao, Ta-Hsuan Chao +1

Many neural network models nowadays have achieved promising performances in Chit-chat settings. The majority of them rely on an encoder for understanding the post and a decoder for…