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Related papers: Event-Arguments Extraction Corpus and Modeling usi…

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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

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…

Computation and Language · Computer Science 2024-06-26 Qiang Gao , Bobo Li , Zixiang Meng , Yunlong Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

Event coreference continues to be a challenging problem in information extraction. With the absence of any external knowledge bases for events, coreference becomes a clustering task that relies on effective representations of the context in…

Computation and Language · Computer Science 2024-04-09 Shafiuddin Rehan Ahmed , James H. Martin

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…

Computation and Language · Computer Science 2024-06-18 Wanlong Liu , Li Zhou , Dingyi Zeng , Yichen Xiao , Shaohuan Cheng , Chen Zhang , Grandee Lee , Malu Zhang , Wenyu Chen

In this paper, we introduce SaudiBERT, a monodialect Arabic language model pretrained exclusively on Saudi dialectal text. To demonstrate the model's effectiveness, we compared SaudiBERT with six different multidialect Arabic language…

Computation and Language · Computer Science 2024-05-13 Faisal Qarah

Previous studies about event-level sentiment analysis (SA) usually model the event as a topic, a category or target terms, while the structured arguments (e.g., subject, object, time and location) that have potential effects on the…

Computation and Language · Computer Science 2022-06-01 Qi Zhang , Jie Zhou , Qin Chen , Qinchun Bai , Liang He

This paper introduces EventNet-ITA, a large, multi-domain corpus annotated full-text with event frames for Italian. Moreover, we present and thoroughly evaluate an efficient multi-label sequence labeling approach for Frame Parsing. Covering…

Computation and Language · Computer Science 2024-02-20 Marco Rovera

This article introduces a new language-independent approach for creating a large-scale high-quality test collection of tweets that supports multiple information retrieval (IR) tasks without running a shared-task campaign. The adopted…

Information Retrieval · Computer Science 2017-08-22 Maram Hasanain , Reem Suwaileh , Tamer Elsayed , Mucahid Kutlu , Hind Almerekhi

In this article, I present the questions that I seek to answer in my PhD research. I posit to analyze natural language text with the help of semantic annotations and mine important events for navigating large text corpora. Semantic…

Information Retrieval · Computer Science 2016-03-02 Dhruv Gupta

Most previous event extraction studies have relied heavily on features derived from annotated event mentions, thus cannot be applied to new event types without annotation effort. In this work, we take a fresh look at event extraction and…

Computation and Language · Computer Science 2017-07-05 Lifu Huang , Heng Ji , Kyunghyun Cho , Clare R. Voss

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…

Computation and Language · Computer Science 2020-06-04 Zhigang Kan , Linbo Qiao , Sen Yang , Feng Liu , Feng Huang

Extraction of adverse drug events from biomedical literature and other textual data is an important component to monitor drug-safety and this has attracted attention of many researchers in healthcare. Existing works are more pivoted around…

Computation and Language · Computer Science 2021-10-22 Harshit Jain , Nishant Raj , Suyash Mishra

Following recent successes in applying BERT to question answering, we explore simple applications to ad hoc document retrieval. This required confronting the challenge posed by documents that are typically longer than the length of input…

Information Retrieval · Computer Science 2019-03-27 Wei Yang , Haotian Zhang , Jimmy Lin

Information Extraction is a well-researched area of Natural Language Processing with applications in web search and question answering concerned with identifying entities and relationships between them as expressed in a given context,…

Information Retrieval · Computer Science 2020-11-17 Erin Macdonald , Denilson Barbosa

Traditional event extraction methods require predefined event types and their corresponding annotations to learn event extractors. These prerequisites are often hard to be satisfied in real-world applications. This work presents a…

Computation and Language · Computer Science 2022-03-31 Jiaming Shen , Yunyi Zhang , Heng Ji , Jiawei Han

The task of event detection and classification is central to most information retrieval applications. We show that a Transformer based architecture can effectively model event extraction as a sequence labeling task. We propose a combination…

Computation and Language · Computer Science 2020-09-16 Parul Awasthy , Tahira Naseem , Jian Ni , Taesun Moon , Radu Florian

Speech acts are a speakers actions when performing an utterance within a conversation, such as asking, recommending, greeting, or thanking someone, expressing a thought, or making a suggestion. Understanding speech acts helps interpret the…

Computation and Language · Computer Science 2024-02-01 Khadejaa Alshehri , Areej Alhothali , Nahed Alowidi

Electronic Health Records are large repositories of valuable clinical data, with a significant portion stored in unstructured text format. This textual data includes clinical events (e.g., disorders, symptoms, findings, medications and…

Computation and Language · Computer Science 2024-09-02 Shubham Agarwal , Thomas Searle , Mart Ratas , Anthony Shek , James Teo , Richard Dobson

Biomedical event extraction is an information extraction task to obtain events from biomedical text, whose targets include the type, the trigger, and the respective arguments involved in an event. Traditional biomedical event extraction…

Computation and Language · Computer Science 2024-03-20 Pengchao Wu , Xuefeng Li , Jinghang Gu , Longhua Qian , Guodong Zhou

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…

Computation and Language · Computer Science 2023-01-26 Hongbin Ye , Ningyu Zhang , Zhen Bi , Shumin Deng , Chuanqi Tan , Hui Chen , Fei Huang , Huajun Chen