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In recent days, the amount of Cyber Security text data shared via social media resources mainly Twitter has increased. An accurate analysis of this data can help to develop cyber threat situational awareness framework for a cyber threat.…

计算与语言 · 计算机科学 2020-04-02 Simran K , Prathiksha Balakrishna , Vinayakumar R , Soman KP

In this paper we show how the performance of tweet clustering can be improved by leveraging character-based neural networks. The proposed approach overcomes the limitations related to the vocabulary explosion in the word-based models and…

信息检索 · 计算机科学 2017-03-17 Svitlana Vakulenko , Lyndon Nixon , Mihai Lupu

Deep subspace clustering has attracted increasing attention in recent years. Almost all the existing works are required to load the whole training data into one batch for learning the self-expressive coefficients in the framework of deep…

机器学习 · 计算机科学 2022-05-25 Yanming Li , Changsheng Li , Shiye Wang , Ye Yuan , Guoren Wang

Unsupervised representation learning for tweets is an important research field which helps in solving several business applications such as sentiment analysis, hashtag prediction, paraphrase detection and microblog ranking. A good tweet…

计算与语言 · 计算机科学 2017-06-30 Ganesh J

This paper proposes a novel deep subspace clustering approach which uses convolutional autoencoders to transform input images into new representations lying on a union of linear subspaces. The first contribution of our work is to insert…

计算机视觉与模式识别 · 计算机科学 2020-01-24 Mohsen Kheirandishfard , Fariba Zohrizadeh , Farhad Kamangar

Twitter is a well-known microblogging social site where users express their views and opinions in real-time. As a result, tweets tend to contain valuable information. With the advancements of deep learning in the domain of natural language…

计算与语言 · 计算机科学 2020-10-22 Mohiuddin Md Abdul Qudar , Vijay Mago

Background: Eating disorders are increasingly prevalent, and social networks offer valuable information. Objective: Our goal was to identify efficient machine learning models for categorizing tweets related to eating disorders. Methods:…

Despite significant advances in clustering methods in recent years, the outcome of clustering of a natural image dataset is still unsatisfactory due to two important drawbacks. Firstly, clustering of images needs a good feature…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Dipanjan Das , Ratul Ghosh , Brojeshwar Bhowmick

Many complex systems in the real world can be characterized by attributed networks. To mine the potential information in these networks, deep embedded clustering, which obtains node representations and clusters simultaneously, has been paid…

机器学习 · 计算机科学 2022-05-31 Yimei Zheng , Caiyan Jia , Jian Yu , Xuanya Li

The collection and examination of social media has become a useful mechanism for studying the mental activity and behavior tendencies of users. Through the analysis of collected Twitter data, models were developed for classifying…

社会与信息网络 · 计算机科学 2020-03-26 Joseph Tassone , Peizhi Yan , Mackenzie Simpson , Chetan Mendhe , Vijay Mago , Salimur Choudhury

Over the past decade humans have experienced exponential growth in the use of online resources, in particular social media and microblogging websites such as Facebook, Twitter, YouTube and also mobile applications such as WhatsApp, Line,…

信息检索 · 计算机科学 2015-09-09 Rishabh Soni , K. James Mathai

This article charts the work of a 4 month project aimed at automatically identifying patterns of tweets popularity evolution using Machine Learning and Deep Learning techniques. To apprehend both the data and the extent of the problem, a…

机器学习 · 计算机科学 2023-01-04 Ferdinand Willemin

One of the most promising approaches for unsupervised learning is combining deep representation learning and deep clustering. Some recent works propose to simultaneously learn representation using deep neural networks and perform clustering…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Mina Rezaei , Emilio Dorigatti , David Ruegamer , Bernd Bischl

Inferring latent attributes of people online is an important social computing task, but requires integrating the many heterogeneous sources of information available on the web. We propose learning individual representations of people using…

社会与信息网络 · 计算机科学 2017-05-15 Jiwei Li , Alan Ritter , Dan Jurafsky

Representation learning aims to extract meaningful lower-dimensional embeddings from data, known as representations. Despite its widespread application, there is no established definition of a ``good'' representation. Typically, the…

机器学习 · 计算机科学 2024-12-05 Mahalakshmi Sabanayagam , Omar Al-Dabooni , Pascal Esser

The clustering methods have recently absorbed even-increasing attention in learning and vision. Deep clustering combines embedding and clustering together to obtain optimal embedding subspace for clustering, which can be more effective…

机器学习 · 计算机科学 2019-05-01 Xu Yang , Cheng Deng , Feng Zheng , Junchi Yan , Wei Liu

Image of an entity can be defined as a structured and dynamic representation which can be extracted from the opinions of a group of users or population. Automatic extraction of such an image has certain importance in political science and…

信息检索 · 计算机科学 2015-09-25 Md. Abul Hasnat , Julien Velcin , Stéphane Bonnevay , Julien Jacques

Twitter data has been shown broadly applicable for public health surveillance. Previous public health studies based on Twitter data have largely relied on keyword-matching or topic models for clustering relevant tweets. However, both…

计算与语言 · 计算机科学 2019-12-04 Xiaoyi Zhang , Rodoniki Athanasiadou , Narges Razavian

Deep clustering which adopts deep neural networks to obtain optimal representations for clustering has been widely studied recently. In this paper, we propose a novel deep image clustering framework to learn a category-style latent…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Junjie Zhao , Donghuan Lu , Kai Ma , Yu Zhang , Yefeng Zheng

Health related social media mining is a valuable apparatus for the early recognition of the diverse antagonistic medicinal conditions. Mostly, the existing methods are based on machine learning with knowledge-based learning. This working…

计算与语言 · 计算机科学 2018-04-13 Vinayakumar R , Barathi Ganesh HB , Anand Kumar M , Soman KP
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