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Pengshan Cai

4 accepted papers

2023

Generating User-Engaging News Headlines

ACL 2023long

The potential choices for news article headlines are enormous, and finding the right balance between conveying the essential message and capturing the reader’s attention is key to effective headlining. However, presenting the same news headline to all readers is a suboptimal strategy, because it doe…

Cited by 14SourcePDFScholar
2022

Generation of Patient After-Visit Summaries to Support Physicians

COLING 2022main

An after-visit summary (AVS) is a summary note given to patients after their clinical visit. It recaps what happened during their clinical visit and guides patients’ disease self-management. Studies have shown that a majority of patients found after-visit summaries useful. However, many physicians f…

2022

Learning as Conversation: Dialogue Systems Reinforced for Information Acquisition

NAACL 2022long

We propose novel AI-empowered chat bots for learning as conversation where a user does not read a passage but gains information and knowledge through conversation with a teacher bot. Our information acquisition-oriented dialogue system employs a novel adaptation of reinforced self-play so that the s…

2022

Re2G: Retrieve, Rerank, Generate

NAACL 2022long

As demonstrated by GPT-3 and T5, transformers grow in capability as parameter spaces become larger and larger. However, for tasks that require a large amount of knowledge, non-parametric memory allows models to grow dramatically with a sub-linear increase in computational cost and GPU memory require…