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Guo Zhi

3 accepted papers

2023

Guide the Many-to-One Assignment: Open Information Extraction via IoU-aware Optimal Transport

ACL 2023long

Open Information Extraction (OIE) seeks to extract structured information from raw text without the limitations of close ontology. Recently, the detection-based OIE methods have received great attention from the community due to their parallelism. However, as the essential step of those models, how…

Cited by 14SourcePDFScholar
2022

Assist Non-native Viewers: Multimodal Cross-Lingual Summarization for How2 Videos

EMNLP 2022main

Multimodal summarization for videos aims to generate summaries from multi-source information (videos, audio transcripts), which has achieved promising progress. However, existing works are restricted to monolingual video scenarios, ignoring the demands of non-native video viewers to understand the c…

2021

Trigger is Not Sufficient: Exploiting Frame-aware Knowledge for Implicit Event Argument Extraction

ACL 2021long

Implicit Event Argument Extraction seeks to identify arguments that play direct or implicit roles in a given event. However, most prior works focus on capturing direct relations between arguments and the event trigger. The lack of reasoning ability brings many challenges to the extraction of implici…

Cited by 76SourcePDFScholar