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Recurrent neural networks like long short-term memory (LSTM) are important architectures for sequential prediction tasks. LSTMs (and RNNs in general) model sequences along the forward time direction. Bidirectional LSTMs (Bi-LSTMs) on the…

机器学习 · 统计学 2017-11-16 Samira Shabanian , Devansh Arpit , Adam Trischler , Yoshua Bengio

Social media may disseminate medical claims that highlight misleading correlations between social identifiers and diseases due to not accounting for structural determinants of health. Our research aims to identify biased medical claims on…

社会与信息网络 · 计算机科学 2023-12-27 Libby Tiderman , Juan Sanchez Mercedes , Fiona Romanoschi , Fabricio Murai

As malicious actors employ increasingly advanced and widespread bots to disseminate misinformation and manipulate public opinion, the detection of Twitter bots has become a crucial task. Though graph-based Twitter bot detection methods…

人工智能 · 计算机科学 2024-01-04 Zijian Cai , Zhaoxuan Tan , Zhenyu Lei , Zifeng Zhu , Hongrui Wang , Qinghua Zheng , Minnan Luo

Recurrent Neural Networks (RNN) are known as powerful models for handling sequential data, and especially widely utilized in various natural language processing tasks. In this paper, we propose Contextual Recurrent Units (CRU) for enhancing…

计算与语言 · 计算机科学 2019-11-15 Yiming Cui , Wei-Nan Zhang , Wanxiang Che , Ting Liu , Zhipeng Chen , Shijin Wang , Guoping Hu

This paper presents our submission for the SMM4H 2022-Shared Task on the classification of self-reported intimate partner violence on Twitter (in English). The goal of this task was to accurately determine if the contents of a given tweet…

计算与语言 · 计算机科学 2022-09-23 Alec Candidato , Akshat Gupta , Xiaomo Liu , Sameena Shah

The research of adversarial attacks in the text domain attracts many interests in the last few years, and many methods with a high attack success rate have been proposed. However, these attack methods are inefficient as they require lots of…

计算与语言 · 计算机科学 2021-10-18 Tengfei Zhao , Zhaocheng Ge , Hanping Hu , Dingmeng Shi

An important part of the information gathering and data analysis is to find out what people think about, either a product or an entity. Twitter is an opinion rich social networking site. The posts or tweets from this data can be used for…

信息检索 · 计算机科学 2024-09-05 Dwarampudi Mahidhar Reddy , N V Subba Reddy , N V Subba Reddy

Recurrent Neural Networks (RNNs) with sophisticated units that implement a gating mechanism have emerged as powerful technique for modeling sequential signals such as speech or electroencephalography (EEG). The latter is the focus on this…

信号处理 · 电气工程与系统科学 2018-01-09 Meysam Golmohammadi , Saeedeh Ziyabari , Vinit Shah , Eva Von Weltin , Christopher Campbell , Iyad Obeid , Joseph Picone

We explore a neural network architecture that stacks a recurrent layer and a feedforward layer that is also connected to the input, and compare it to standard Elman and LSTM architectures in terms of accuracy and interpretability. When…

神经与进化计算 · 计算机科学 2020-05-29 Christian Oliva , Luis F. Lago-Fernández

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

Incivility on platforms such as Twitter (now X) and Reddit complicates the development of AI systems that can support productive, rhetorically sound political argumentation. We present experiments with \textit{GPT-3.5 Turbo} fine-tuned on…

计算与语言 · 计算机科学 2025-11-04 Svetlana Churina , Kokil Jaidka

We present our system for the two subtasks of the shared task on propaganda detection in Arabic, part of WANLP'2022. Subtask 1 is a multi-label classification problem to find the propaganda techniques used in a given tweet. Our system for…

计算与语言 · 计算机科学 2022-11-01 Shubham Mittal , Preslav Nakov

Abnormality detection is a challenging task due to the dependence on a specific context and the unconstrained variability of practical scenarios. In recent years, it has benefited from the powerful features learnt by deep neural networks,…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Habtamu Fanta , Zhiwen Shao , Lizhuang Ma

We introduce a new approach for disfluency detection using a Bidirectional Long-Short Term Memory neural network (BLSTM). In addition to the word sequence, the model takes as input pattern match features that were developed to reduce…

计算与语言 · 计算机科学 2016-04-13 Vicky Zayats , Mari Ostendorf , Hannaneh Hajishirzi

Conversational prompt-engineering-based large language models (LLMs) have enabled targeted control over the output creation, enhancing versatility, adaptability and adhoc retrieval. From another perspective, digital misinformation has…

计算与语言 · 计算机科学 2024-04-29 Dahlia Shehata , Robin Cohen , Charles Clarke

The developments of satellite communication in network systems require strong and effective security plans. Attacks such as denial of service (DoS) can be detected through the use of machine learning techniques, especially under normal…

密码学与安全 · 计算机科学 2023-01-11 Nacereddine Sitouah , Fatiha Merazka , Abdenour Hedjazi

This paper describes team Turing's submission to SemEval 2017 RumourEval: Determining rumour veracity and support for rumours (SemEval 2017 Task 8, Subtask A). Subtask A addresses the challenge of rumour stance classification, which…

计算与语言 · 计算机科学 2017-04-25 Elena Kochkina , Maria Liakata , Isabelle Augenstein

Effectively analyzing the comments to uncover latent intentions holds immense value in making strategic decisions across various domains. However, several challenges hinder the process of sentiment analysis including the lexical diversity…

计算与语言 · 计算机科学 2025-06-27 Md. Mostafizer Rahman , Ariful Islam Shiplu , Yutaka Watanobe , Md. Ashad Alam

We address rumor detection by learning to differentiate between the community's response to real and fake claims in microblogs. Existing state-of-the-art models are based on tree models that model conversational trees. However, in social…

计算与语言 · 计算机科学 2020-01-30 Ling Min Serena Khoo , Hai Leong Chieu , Zhong Qian , Jing Jiang

Given the paramount importance of safety in the aviation industry, even minor operational anomalies can have significant consequences. Comprehensive documentation of incidents and accidents serves to identify root causes and propose safety…

机器学习 · 计算机科学 2025-01-23 Aziida Nanyonga , Hassan Wasswa , Graham Wild
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