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相关论文: CMNEE: A Large-Scale Document-Level Event Extracti…

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Event Extraction plays an important role in information-extraction to understand the world. Event extraction could be split into two subtasks: one is event trigger extraction, the other is event arguments extraction. However, the F-Score of…

计算与语言 · 计算机科学 2020-06-04 Zhigang Kan , Linbo Qiao , Sen Yang , Feng Liu , Feng Huang

Recent mainstream event argument extraction methods process each event in isolation, resulting in inefficient inference and ignoring the correlations among multiple events. To address these limitations, here we propose a multiple-event…

计算与语言 · 计算机科学 2024-06-18 Wanlong Liu , Li Zhou , Dingyi Zeng , Yichen Xiao , Shaohuan Cheng , Chen Zhang , Grandee Lee , Malu Zhang , Wenyu Chen

Existing cross-document event coreference resolution models, which either compute mention similarity directly or enhance mention representation by extracting event arguments (such as location, time, agent, and patient), lacking the ability…

计算与语言 · 计算机科学 2024-06-26 Qiang Gao , Bobo Li , Zixiang Meng , Yunlong Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

The extraction of causal information from textual data is crucial in the industry for identifying and mitigating potential failures, enhancing process efficiency, prompting quality improvements, and addressing various operational…

计算与语言 · 计算机科学 2025-02-28 Houssam Razouk , Leonie Benischke , Daniel Garber , Roman Kern

One of the challenges in event extraction via traditional supervised learning paradigm is the need for a sizeable annotated dataset to achieve satisfactory model performance. It is even more challenging when it comes to event extraction in…

计算与语言 · 计算机科学 2022-05-03 Meisin Lee , Lay-Ki Soon , Eu-Gene Siew

Recent works have demonstrated the effectiveness of retrieval augmentation in the Event Argument Extraction (EAE) task. However, existing retrieval-based EAE methods have two main limitations: (1) input length constraints and (2) the gap…

计算与语言 · 计算机科学 2024-09-17 Wanlong Liu , Enqi Zhang , Li Zhou , Dingyi Zeng , Shaohuan Cheng , Chen Zhang , Malu Zhang , Wenyu Chen

A lot of prior work on event extraction has exploited a variety of features to represent events. Such methods have several drawbacks: 1) the features are often specific for a particular domain and do not generalize well; 2) the features are…

计算与语言 · 计算机科学 2016-10-05 Yandi Xia , Yang Liu

Event-specific concepts are the semantic concepts designed for the events of interest, which can be used as a mid-level representation of complex events in videos. Existing methods only focus on defining event-specific concepts for a small…

计算机视觉与模式识别 · 计算机科学 2015-08-18 Guangnan Ye , Yitong Li , Hongliang Xu , Dong Liu , Shih-Fu Chang

Event argument extraction (EAE) is an important task for information extraction to discover specific argument roles. In this study, we cast EAE as a question-based cloze task and empirically analyze fixed discrete token template…

计算与语言 · 计算机科学 2023-01-26 Hongbin Ye , Ningyu Zhang , Zhen Bi , Shumin Deng , Chuanqi Tan , Hui Chen , Fei Huang , Huajun Chen

We present a system for rapidly customizing event extraction capability to find new event types and their arguments. The system allows a user to find, expand and filter event triggers for a new event type by exploring an unannotated corpus.…

计算与语言 · 计算机科学 2018-09-24 Yee Seng Chan , Joshua Fasching , Haoling Qiu , Bonan Min

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…

计算与语言 · 计算机科学 2019-07-03 Sihem Sahnoun

In this work, we present the first dataset, MailEx, for performing event extraction from conversational email threads. To this end, we first proposed a new taxonomy covering 10 event types and 76 arguments in the email domain. Our final…

计算与语言 · 计算机科学 2023-10-24 Saurabh Srivastava , Gaurav Singh , Shou Matsumoto , Ali Raz , Paulo Costa , Joshua Poore , Ziyu Yao

Knowledge about emotional events is an important kind of knowledge which has been applied to improve the effectiveness of different applications. However, emotional events cannot be easily acquired, especially common or generalized…

计算与语言 · 计算机科学 2025-11-10 Ya Wang , Guangzheng Zhu , Cungen Cao , Jingjing Li , He Li , Xin Huang

Relevant information in documents is often summarized in tables, helping the reader to identify useful facts. Most benchmark datasets support either document layout analysis or table understanding, but lack in providing data to apply both…

计算与语言 · 计算机科学 2023-02-14 Andrea Gemelli , Emanuele Vivoli , Simone Marinai

We study the problem of event extraction from text data, which requires both detecting target event types and their arguments. Typically, both the event detection and argument detection subtasks are formulated as supervised sequence…

计算与语言 · 计算机科学 2020-10-23 Rui Feng , Jie Yuan , Chao Zhang

We introduce RealKIE, a benchmark of five challenging datasets aimed at advancing key information extraction methods, with an emphasis on enterprise applications. The datasets include a diverse range of documents including SEC S1 Filings,…

计算与语言 · 计算机科学 2025-10-07 Benjamin Townsend , Madison May , Katherine Mackowiak , Christopher Wells

We describe our experience of implementing a news content organization system at Tencent that discovers events from vast streams of breaking news and evolves news story structures in an online fashion. Our real-world system has distinct…

信息检索 · 计算机科学 2018-03-02 Bang Liu , Di Niu , Kunfeng Lai , Linglong Kong , Yu Xu

Stroke is the basic element of Chinese character and stroke extraction has been an important and long-standing endeavor. Existing stroke extraction methods are often handcrafted and highly depend on domain expertise due to the limited…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Lizhao Liu , Kunyang Lin , Shangxin Huang , Zhongli Li , Chao Li , Yunbo Cao , Qingyu Zhou

We consider open domain event extraction, the task of extracting unconstraint types of events from news clusters. A novel latent variable neural model is constructed, which is scalable to very large corpus. A dataset is collected and…

计算与语言 · 计算机科学 2022-12-19 Xiao Liu , Heyan Huang , Yue Zhang

This paper introduces the DocILE benchmark with the largest dataset of business documents for the tasks of Key Information Localization and Extraction and Line Item Recognition. It contains 6.7k annotated business documents, 100k…