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Dongqi Liu

5 accepted papers

2026

TGPO: Efficient Policy Optimization through Sequence Anchor and Information Gating

ICML 2026poster

Reinforcement learning from verifiable rewards (RLVR) has become an important paradigm for enhancing the reasoning capabilities of large language models, while it also involves a persistent tradeoff between optimization stability and learning efficiency. Token-level importance weighting supports fin…

Cited by 0SourceScholar
2025

What Is That Talk About? A Video-to-Text Summarization Dataset for Scientific Presentations

ACL 2025long

Transforming recorded videos into concise and accurate textual summaries is a growing challenge in multimodal learning. This paper introduces VISTA, a dataset specifically designed for video-to-text summarization in scientific domains. VISTA contains 18,599 recorded AI conference presentations paire…

2024

RST-LoRA: A Discourse-Aware Low-Rank Adaptation for Long Document Abstractive Summarization

NAACL 2024long

For long document summarization, discourse structure is important to discern the key content of the text and the differences in importance level between sentences. Unfortunately, the integration of rhetorical structure theory (RST) into parameter-efficient fine-tuning strategies for long document su…

2024

SciNews: From Scholarly Complexities to Public Narratives – a Dataset for Scientific News Report Generation

COLING 2024main

Scientific news reports serve as a bridge, adeptly translating complex research articles into reports that resonate with the broader public. The automated generation of such narratives enhances the accessibility of scholarly insights. In this paper, we present a new corpus to facilitate this paradig…

2023

Incorporating Distributions of Discourse Structure for Long Document Abstractive Summarization

ACL 2023long

For text summarization, the role of discourse structure is pivotal in discerning the core content of a text. Regrettably, prior studies on incorporating Rhetorical Structure Theory (RST) into transformer-based summarization models only consider the nuclearity annotation, thereby overlooking the vari…