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Event extraction is challenging due to the complex structure of event records and the semantic gap between text and event. Traditional methods usually extract event records by decomposing the complex structure prediction task into multiple…

Computation and Language · Computer Science 2021-06-18 Yaojie Lu , Hongyu Lin , Jin Xu , Xianpei Han , Jialong Tang , Annan Li , Le Sun , Meng Liao , Shaoyi Chen

Events of various kinds are mentioned and discussed in text documents, whether they are books, news articles, blogs or microblog feeds. The paper starts by giving an overview of how events are treated in linguistics and philosophy. We…

Computation and Language · Computer Science 2016-01-18 Jugal Kalita

Document-level event extraction aims to extract structured event information from unstructured text. However, a single document often contains limited event information and the roles of different event arguments may be biased due to the…

Computation and Language · Computer Science 2024-08-27 Qiang Gao , Zixiang Meng , Bobo Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

With the rapid development of information technology, online platforms have produced enormous text resources. As a particular form of Information Extraction (IE), Event Extraction (EE) has gained increasing popularity due to its ability to…

Computation and Language · Computer Science 2021-11-08 Jiangwei Liu , Liangyu Min , Xiaohong Huang

While existing video benchmarks largely consider specialized downstream tasks like retrieval or question-answering (QA), contemporary multimodal AI systems must be capable of well-rounded common-sense reasoning akin to human visual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Kate Sanders , Benjamin Van Durme

Event extraction (EE) is a crucial research task for promptly apprehending event information from massive textual data. With the rapid development of deep learning, EE based on deep learning technology has become a research hotspot.…

Computation and Language · Computer Science 2022-11-16 Qian Li , Jianxin Li , Jiawei Sheng , Shiyao Cui , Jia Wu , Yiming Hei , Hao Peng , Shu Guo , Lihong Wang , Amin Beheshti , Philip S. Yu

Event extraction, the technology that aims to automatically get the structural information from documents, has attracted more and more attention in many fields. Most existing works discuss this issue with the token-level multi-label…

Computation and Language · Computer Science 2022-01-11 Zhuo Xu , Yue Wang , Lu Bai , Lixin Cui

Event extraction is a fundamental task in natural language processing that involves identifying and extracting information about events mentioned in text. However, it is a challenging task due to the lack of annotated data, which is…

Computation and Language · Computer Science 2023-03-10 Jun Gao , Huan Zhao , Changlong Yu , Ruifeng Xu

Most existing work on event extraction has focused on sentence-level texts and presumes the identification of a trigger-span -- a word or phrase in the input that evokes the occurrence of an event of interest. Event arguments are then…

Computation and Language · Computer Science 2025-06-30 Shaden Shaar , Wayne Chen , Maitreyi Chatterjee , Barry Wang , Wenting Zhao , Claire Cardie

Event Extraction (EE) is one of the fundamental tasks in Information Extraction (IE) that aims to recognize event mentions and their arguments (i.e., participants) from text. Due to its importance, extensive methods and resources have been…

Computation and Language · Computer Science 2022-11-21 Amir Pouran Ben Veyseh , Javid Ebrahimi , Franck Dernoncourt , Thien Huu Nguyen

The work presented in this master thesis consists of extracting a set of events from texts written in natural language. For this purpose, we have based ourselves on the basic notions of the information extraction as well as the open…

Computation and Language · Computer Science 2019-07-03 Sihem Sahnoun

Event extraction involves the detection and extraction of both the event triggers and corresponding event arguments. Existing systems often decompose event extraction into multiple subtasks, without considering their possible interactions.…

Computation and Language · Computer Science 2022-10-18 Huiling You , David Samuel , Samia Touileb , Lilja Øvrelid

Event extraction is an important natural language processing (NLP) task of identifying events in an unstructured text. Although a plethora of works deal with event extraction from new articles, clinical text etc., only a few works focus on…

Information Retrieval · Computer Science 2026-02-27 Chaitanya Kirti , Ayon Chattopadhyay , Ashish Anand , Prithwijit Guha

Large language models have improved dialogue systems, but often process conversational turns in isolation, overlooking the event structures that guide natural interactions. Hence we introduce EventWeave, a framework that explicitly models…

Computation and Language · Computer Science 2026-04-10 Zhengyi Zhao , Shubo Zhang , Yiming Du , Bin Liang , Baojun Wang , Zhongyang Li , Binyang Li , Kam-Fai Wong

Event-based semantic segmentation (ESS) is a fundamental yet challenging task for event camera sensing. The difficulties in interpreting and annotating event data limit its scalability. While domain adaptation from images to event data can…

Computer Vision and Pattern Recognition · Computer Science 2024-05-09 Lingdong Kong , Youquan Liu , Lai Xing Ng , Benoit R. Cottereau , Wei Tsang Ooi

The problem of event extraction requires detecting the event trigger and extracting its corresponding arguments. Existing work in event argument extraction typically relies heavily on entity recognition as a preprocessing/concurrent step,…

Computation and Language · Computer Science 2021-02-08 Xinya Du , Claire Cardie

Understanding events in texts is a core objective of natural language understanding, which requires detecting event occurrences, extracting event arguments, and analyzing inter-event relationships. However, due to the annotation challenges…

Computation and Language · Computer Science 2024-06-21 Xiaozhi Wang , Hao Peng , Yong Guan , Kaisheng Zeng , Jianhui Chen , Lei Hou , Xu Han , Yankai Lin , Zhiyuan Liu , Ruobing Xie , Jie Zhou , Juanzi Li

Few works in the literature of event extraction have gone beyond individual sentences to make extraction decisions. This is problematic when the information needed to recognize an event argument is spread across multiple sentences. We argue…

Computation and Language · Computer Science 2020-05-15 Xinya Du , Claire Cardie

Existing approaches on zero-shot event detection usually train models on datasets annotated with known event types, and prompt them with unseen event definitions. These approaches yield sporadic successes, yet generally fall short of…

Computation and Language · Computer Science 2024-03-06 Zefan Cai , Po-Nien Kung , Ashima Suvarna , Mingyu Derek Ma , Hritik Bansal , Baobao Chang , P. Jeffrey Brantingham , Wei Wang , Nanyun Peng

In the field of Natural Language Processing (NLP), Large Language Models (LLMs) have shown great potential in document-level event extraction tasks, but existing methods face challenges in the design of prompts. To address this issue, we…

Computation and Language · Computer Science 2024-08-13 Zhuoyuan Liu , Yilin Luo