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Most neural-operator surrogates for PDEs inherit from DeepONet-style formulations the requirement that the input function be sampled at a fixed, ordered set of sensors. This assumption limits applicability to problems with variable sensor…

机器学习 · 计算机科学 2026-04-02 Stepan Tretiakov , Xingjian Li , Krishna Kumar

The large volumes of data generated by human activities such as online purchases, health records, spatial mobility etc. are stored as a sequence of events over a continuous time. Learning deep learning methods over such sequences is a…

机器学习 · 计算机科学 2021-11-16 Vinayak Gupta

Sound event detection (SED) is essential for recognizing specific sounds and their temporal locations within acoustic signals. This becomes challenging particularly for on-device applications, where computational resources are limited. To…

声音 · 计算机科学 2024-02-07 Yang Xiao , Rohan Kumar Das

In this paper, we propose a stacked convolutional and recurrent neural network (CRNN) with a 3D convolutional neural network (CNN) in the first layer for the multichannel sound event detection (SED) task. The 3D CNN enables the network to…

声音 · 计算机科学 2018-01-30 Sharath Adavanne , Archontis Politis , Tuomas Virtanen

Recent progress in cross-lingual relation and event extraction use graph convolutional networks (GCNs) with universal dependency parses to learn language-agnostic sentence representations such that models trained on one language can be…

计算与语言 · 计算机科学 2021-02-19 Wasi Uddin Ahmad , Nanyun Peng , Kai-Wei Chang

Graph convolutional networks (GCNs), aiming to integrate high-order neighborhood information through stacked graph convolution layers, have demonstrated remarkable power in many network analysis tasks. However, topological limitations,…

机器学习 · 计算机科学 2021-03-08 Di Jin , Xiangchen Song , Zhizhi Yu , Ziyang Liu , Heling Zhang , Zhaomeng Cheng , Jiawei Han

Traditional continual event detection relies on abundant labeled data for training, which is often impractical to obtain in real-world applications. In this paper, we introduce continual few-shot event detection (CFED), a more commonly…

计算与语言 · 计算机科学 2024-03-27 Chenlong Zhang , Pengfei Cao , Yubo Chen , Kang Liu , Zhiqiang Zhang , Mengshu Sun , Jun Zhao

Temporal knowledge graphs, representing the dynamic relationships and interactions between entities over time, have been identified as a promising approach for event forecasting. However, a limitation of most temporal knowledge graph…

人工智能 · 计算机科学 2023-08-30 Yi Xu , Junjie Ou , Hui Xu , Luoyi Fu , Lei Zhou , Xinbing Wang , Chenghu Zhou

The brain electrical activity presents several short events during sleep that can be observed as distinctive micro-structures in the electroencephalogram (EEG), such as sleep spindles and K-complexes. These events have been associated with…

信号处理 · 电气工程与系统科学 2020-10-06 Nicolás I. Tapia , Pablo A. Estévez

The traditional way of sentence-level event detection involves two important subtasks: trigger identification and trigger classifications, where the identified event trigger words are used to classify event types from sentences. However,…

计算与语言 · 计算机科学 2023-06-27 Tongtao Ling , Lei Chen , Huangxu Sheng , Zicheng Cai , Hai-Lin Liu

In this paper, we propose a method for knowledge graph construction in power distribution networks. This method leverages entity features, which involve their semantic, phonetic, and syntactic characteristics, in both the knowledge graph of…

计算与语言 · 计算机科学 2024-01-30 Xiang Li , Che Wang , Bing Li , Hao Chen , Sizhe Li

Biomedical Event Extraction (BEE) is a challenging task that involves modeling complex relationships between fine-grained entities in biomedical text. BEE has traditionally been formulated as a classification problem. With recent…

计算与语言 · 计算机科学 2025-02-24 Haohan Yuan , Siu Cheung Hui , Haopeng Zhang

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…

计算与语言 · 计算机科学 2024-08-27 Qiang Gao , Zixiang Meng , Bobo Li , Jun Zhou , Fei Li , Chong Teng , Donghong Ji

Event analysis from news and social networks is very useful for a wide range of social studies and real-world applications. Recently, event graphs have been explored to model event datasets and their complex relationships, where events are…

机器学习 · 计算机科学 2022-01-04 Joao Pedro Rodrigues Mattos , Ricardo M. Marcacini

The aim of this paper is to propose a new approach for the pattern recognition of power quality (PQ) disturbances based on Empirical mode decomposition (EMD) and $k$ Nearest Neighbor ($k$-NN) classifier. Since EMD decomposes a signal into…

信号处理 · 电气工程与系统科学 2019-08-16 Faeza Hafiz , Celia Shahnaz

Joint-event-extraction, which extracts structural information (i.e., entities or triggers of events) from unstructured real-world corpora, has attracted more and more research attention in natural language processing. Most existing works do…

计算与语言 · 计算机科学 2020-10-15 Yue Wang , Zhuo Xu , Lu Bai , Yao Wan , Lixin Cui , Qian Zhao , Edwin R. Hancock , Philip S. Yu

The shift toward more renewable energy sources and distributed generation in smart grids has underscored the significance of modeling and analyzing modern power systems as cyber-physical systems (CPS). This transformation has highlighted…

Complex event processing (CEP) is widely employed to detect occurrences of predefined combinations (patterns) of events in massive data streams. As new events are accepted, they are matched using some type of evaluation structure, commonly…

数据库 · 计算机科学 2018-05-01 Ilya Kolchinsky , Assaf Schuster

Unsupervised text embedding methods, such as Skip-gram and Paragraph Vector, have been attracting increasing attention due to their simplicity, scalability, and effectiveness. However, comparing to sophisticated deep learning architectures…

计算与语言 · 计算机科学 2015-08-04 Jian Tang , Meng Qu , Qiaozhu Mei

Audio tagging aims at predicting sound events occurred in a recording. Traditional models require enormous laborious annotations, otherwise performance degeneration will be the norm. Therefore, we investigate robust audio tagging models in…

声音 · 计算机科学 2021-10-05 Zhiling Zhang , Zelin Zhou , Haifeng Tang , Guangwei Li , Mengyue Wu , Kenny Q. Zhu