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相关论文: Open Event Extraction from Online Text using a Gen…

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Topic models are widely used for thematic structure discovery in text. But traditional topic models often require dedicated inference procedures for specific tasks at hand. Also, they are not designed to generate word-level semantic…

人工智能 · 计算机科学 2019-08-22 Rui Wang , Deyu Zhou , Yulan He

We propose a new method for event extraction (EE) task based on an imitation learning framework, specifically, inverse reinforcement learning (IRL) via generative adversarial network (GAN). The GAN estimates proper rewards according to the…

计算与语言 · 计算机科学 2018-04-24 Tongtao Zhang , Heng Ji

This work presents a thorough review concerning recent studies and text generation advancements using Generative Adversarial Networks. The usage of adversarial learning for text generation is promising as it provides alternatives to…

计算与语言 · 计算机科学 2022-12-22 Gustavo Henrique de Rosa , João Paulo Papa

Event extraction (EE) is one of the core information extraction tasks, whose purpose is to automatically identify and extract information about incidents and their actors from texts. This may be beneficial to several domains such as…

机器学习 · 计算机科学 2020-10-29 Ali Balali , Masoud Asadpour , Ricardo Campos , Adam Jatowt

Event extraction (EE), which acquires structural event knowledge from texts, can be divided into two sub-tasks: event type classification and element extraction (namely identifying triggers and arguments under different role patterns). As…

计算与语言 · 计算机科学 2022-08-19 Qian Li , Shu Guo , Jia Wu , Jianxin Li , Jiawei Sheng , Lihong Wang , Xiaohan Dong , Hao Peng

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

Events detected from social media streams often include early signs of accidents, crimes or disasters. Therefore, they can be used by related parties for timely and efficient response. Although significant progress has been made on event…

社会与信息网络 · 计算机科学 2020-02-12 Yi Han , Shanika Karunasekera , Christopher Leckie

Event extraction is of practical utility in natural language processing. In the real world, it is a common phenomenon that multiple events existing in the same sentence, where extracting them are more difficult than extracting a single…

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

Document-level event extraction aims to recognize event information from a whole piece of article. Existing methods are not effective due to two challenges of this task: a) the target event arguments are scattered across sentences; b) the…

计算与语言 · 计算机科学 2021-06-01 Runxin Xu , Tianyu Liu , Lei Li , Baobao Chang

In this paper, we propose a model using generative adversarial net (GAN) to generate realistic text. Instead of using standard GAN, we combine variational autoencoder (VAE) with generative adversarial net. The use of high-level latent…

计算与语言 · 计算机科学 2018-11-08 Heng Wang , Zengchang Qin , Tao Wan

Social Media websites have disseminated digital devices to the public, making information sharing easier and faster. Exchanging textual data is the most popular communication among social media users. It has become a necessity for…

社会与信息网络 · 计算机科学 2020-08-13 Fouzi Harrag , Selmene Gueliani

Adverse reaction caused by drugs is a potentially dangerous problem which may lead to mortality and morbidity in patients. Adverse Drug Event (ADE) extraction is a significant problem in biomedical research. We model ADE extraction as a…

计算与语言 · 计算机科学 2018-01-03 Suriyadeepan Ramamoorthy , Selvakumar Murugan

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…

计算与语言 · 计算机科学 2016-01-18 Jugal Kalita

This paper describes a method for using Generative Adversarial Networks to learn distributed representations of natural language documents. We propose a model that is based on the recently proposed Energy-Based GAN, but instead uses a…

机器学习 · 计算机科学 2016-12-30 John Glover

The goal of Event Argument Extraction (EAE) is to find the role of each entity mention for a given event trigger word. It has been shown in the previous works that the syntactic structures of the sentences are helpful for the deep learning…

计算与语言 · 计算机科学 2020-10-27 Amir Pouran Ben Veyseh , Tuan Ngo Nguyen , Thien Huu Nguyen

Adversarial attacks have proven effective in deceiving machine learning models by subtly altering input images, motivating extensive research in recent years. Traditional methods constrain perturbations within $l_p$-norm bounds, but…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Hui Kuurila-Zhang , Haoyu Chen , Guoying Zhao

A vast amount of textual web streams is influenced by events or phenomena emerging in the real world. The social web forms an excellent modern paradigm, where unstructured user generated content is published on a regular basis and in most…

机器学习 · 计算机科学 2012-08-15 Vasileios Lampos

Event extraction is essential for event understanding and analysis. It supports tasks such as document summarization and decision-making in emergency scenarios. However, existing event extraction approaches have limitations: (1)…

计算与语言 · 计算机科学 2026-04-24 Praval Sharma

In order to introduce deep learning technologies into anomaly detection, Generative Adversarial Networks (GANs) are considered as important roles in the algorithm design and realistic applications. In terms of GANs, event probability…

机器学习 · 计算机科学 2024-04-08 Rui She , Pingyi Fan

Bayesian inference on structured models typically relies on the ability to infer posterior distributions of underlying hidden variables. However, inference in implicit models or complex posterior distributions is hard. A popular tool for…

机器学习 · 统计学 2016-12-16 Theofanis Karaletsos
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