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Nested Event Extraction (NEE) aims to extract complex event structures where an event contains other events as its arguments recursively. Nested events involve a kind of Pivot Elements (PEs) that simultaneously act as arguments of…

计算与语言 · 计算机科学 2024-04-09 Weicheng Ren , Zixuan Li , Xiaolong Jin , Long Bai , Miao Su , Yantao Liu , Saiping Guan , Jiafeng Guo , Xueqi Cheng

Precise and timely fault diagnosis is a prerequisite for a distribution system to ensure minimum downtime and maintain reliable operation. This necessitates access to a comprehensive procedure that can provide the grid operators with…

人工智能 · 计算机科学 2024-09-11 Dibaloke Chanda , Nasim Yahya Soltani

Event detection refers to identifying event occurrences in a text and comprises of two subtasks; event identification and classification. We present EDM3, a novel approach for Event Detection that formulates three generative tasks:…

计算与语言 · 计算机科学 2023-05-29 Ujjwala Anantheswaran , Himanshu Gupta , Mihir Parmar , Kuntal Kumar Pal , Chitta Baral

Artificial sound event detection (SED) has the aim to mimic the human ability to perceive and understand what is happening in the surroundings. Nowadays, Deep Learning offers valuable techniques for this goal such as Convolutional Neural…

音频与语音处理 · 电气工程与系统科学 2019-06-26 Fabio Vesperini , Leonardo Gabrielli , Emanuele Principi , Stefano Squartini

In a power distribution network with energy storage systems (ESS) and advanced controls, traditional monitoring and protection schemes are not well suited for detecting anomalies such as malfunction of controllable devices. In this work, we…

信号处理 · 电气工程与系统科学 2021-02-26 Nayara Aguiar , Vijay Gupta , Rodrigo D. Trevizan , Babu R. Chalamala , Raymond H. Byrne

Accurate short-term state forecasting is essential for efficient and stable operation of modern power systems, especially in the context of increasing variability introduced by renewable and distributed energy resources. As these systems…

机器学习 · 计算机科学 2026-05-13 Raffael Theiler , Olga Fink

With emerging online topics as a source for numerous new events, detecting unseen / rare event types presents an elusive challenge for existing event detection methods, where only limited data access is provided for training. To address the…

计算与语言 · 计算机科学 2023-05-30 Zhenrui Yue , Huimin Zeng , Mengfei Lan , Heng Ji , Dong Wang

Event extraction (EE) is an essential task of information extraction, which aims to extract structured event information from unstructured text. Most prior work focuses on extracting flat events while neglecting overlapped or nested ones. A…

计算与语言 · 计算机科学 2022-09-07 Hu Cao , Jingye Li , Fangfang Su , Fei Li , Hao Fei , Shengqiong Wu , Bobo Li , Liang Zhao , Donghong Ji

Traditional event detection classifies a word or a phrase in a given sentence for a set of predefined event types. The limitation of such predefined set is that it prevents the adaptation of the event detection models to new event types. We…

机器学习 · 计算机科学 2019-10-28 Viet Dac Lai , Thien Huu Nguyen

We consider the problem of collectively detecting multiple events, particularly in cross-sentence settings. The key to dealing with the problem is to encode semantic information and model event inter-dependency at a document-level. In this…

计算与语言 · 计算机科学 2022-11-02 Dongfang Lou , Zhilin Liao , Shumin Deng , Ningyu Zhang , Huajun Chen

We present a graphical, knowledge-based method for reviewing treatment-emergent adverse events (AEs) in clinical trials. The approach enhances MedDRA by adding a hidden medical knowledge layer (Safeterm) that captures semantic relationships…

The progress of event extraction research has been hindered by the absence of wide-coverage, large-scale datasets. To make event extraction systems more accessible, we build a general-purpose event detection dataset GLEN, which covers 205K…

计算与语言 · 计算机科学 2023-11-01 Qiusi Zhan , Sha Li , Kathryn Conger , Martha Palmer , Heng Ji , Jiawei Han

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

Training a model to detect patterns of interrelated events that form situations of interest can be a complex problem: such situations tend to be uncommon, and only sparse data is available. We propose a hybrid neuro-symbolic architecture…

In this work we propose approaches to effectively transfer knowledge from weakly labeled web audio data. We first describe a convolutional neural network (CNN) based framework for sound event detection and classification using weakly…

声音 · 计算机科学 2018-09-10 Anurag Kumar , Maksim Khadkevich , Christian Fugen

The increasing penetration of renewable energy sources introduces significant variability and uncertainty in modern power systems, making accurate state prediction critical for reliable grid operation. Conventional forecasting methods often…

机器学习 · 计算机科学 2025-04-01 Dhruv Suri , Mohak Mangal

With the continuous development of deep learning (DL), the task of multimodal dialogue emotion recognition (MDER) has recently received extensive research attention, which is also an essential branch of DL. The MDER aims to identify the…

计算与语言 · 计算机科学 2024-09-04 Wei Ai , Yuntao Shou , Tao Meng , Nan Yin , Keqin Li

As a trending approach for social event detection, graph neural network (GNN)-based methods enable a fusion of natural language semantics and the complex social network structural information, thus showing SOTA performance. However,…

社会与信息网络 · 计算机科学 2023-12-20 Yuwei Cao , Hao Peng , Zhengtao Yu , Philip S. Yu

With the rapid development of ICT Custom Services (ICT CS) in power industries, the deployed power ICT CS systems mainly rely on the experience of customer service staff for fault type recognition, questioning, and answering, which makes it…

人工智能 · 计算机科学 2022-04-14 Chen Xiaona , Ahmad Tanvir , Ma Yinglong

Event detection (ED) is aimed to identify the key trigger words in unstructured text and predict the event types accordingly. Traditional ED models are too data-hungry to accommodate real applications with scarce labeled data. Besides,…

计算与语言 · 计算机科学 2023-05-17 Siyuan Wang , Jianming Zheng , Xuejun Hu , Fei Cai , Chengyu Song , Xueshan Luo