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Phishing attacks remain a critical cybersecurity threat. Attackers constantly refine their methods, making phishing emails harder to detect. Traditional detection methods, including rule-based systems and supervised machine learning models,…

Multiagent Systems · Computer Science 2025-07-01 Ngoc Tuong Vy Nguyen , Felix D Childress , Yunting Yin

Latent Dirichlet Allocation (LDA) is a popular topic modeling technique for hidden semantic discovery of text data and serves as a fundamental tool for text analysis in various applications. However, the LDA model as well as the training…

Machine Learning · Computer Science 2020-10-12 Fangyuan Zhao , Xuebin Ren , Shusen Yang , Qing Han , Peng Zhao , Xinyu Yang

The publication of fake reviews by parties with vested interests has become a severe problem for consumers who use online product reviews in their decision making. To counter this problem a number of methods for detecting these fake…

Social and Information Networks · Computer Science 2016-08-03 David Savage , Xiuzhen Zhang , Xinghuo Yu , Pauline Chou , Qingmai Wang

Topic modeling is a state-of-the-art technique for analyzing text corpora. It uses a statistical model, most commonly Latent Dirichlet Allocation (LDA), to discover abstract topics that occur in the document collection. However, the…

Human-Computer Interaction · Computer Science 2021-10-19 Valerie Müller , Christian Sieg , Lars Linsen

Many online social networks allow directed edges: Alice can unilaterally add an "edge" to Bob, typically indicating interest in Bob or Bob's content, without Bob's permission or reciprocation. In directed social networks we observe the rise…

Social and Information Networks · Computer Science 2018-02-23 Alex Fabrikant , Mohammad Mahdian , Andrew Tomkins

A conversational system needs to know how to switch between topics to continue the conversation for a more extended period. For this topic detection from dialogue corpus has become an important task for a conversation and accurate…

Information Retrieval · Computer Science 2020-06-08 Haider Khalid , Vincent Wade

Topic modelling in Natural Language Processing uncovers hidden topics in large, unlabelled text datasets. It is widely applied in fields such as information retrieval, content summarisation, and trend analysis across various disciplines.…

Computation and Language · Computer Science 2025-11-18 Saranzaya Magsarjav , Melissa Humphries , Jonathan Tuke , Lewis Mitchell

Automatic classification of scientific articles based on common characteristics is an interesting problem with many applications in digital library and information retrieval systems. Properly organized articles can be useful for automatic…

Information Retrieval · Computer Science 2015-05-04 Shameem A Puthiya Parambath

Cyberbullying is a significant concern intricately linked to technology that can find resolution through technological means. Despite its prevalence, technology also provides solutions to mitigate cyberbullying. To address growing concerns…

Machine Learning · Computer Science 2024-06-27 Sylvia Worlali Azumah , Nelly Elsayed , Zag ElSayed , Murat Ozer , Amanda La Guardia

With the rise of sophisticated scam websites that exploit human psychological vulnerabilities, distinguishing between legitimate and scam websites has become increasingly challenging. This paper presents ScamFerret, an innovative agent…

Cryptography and Security · Computer Science 2025-02-17 Hiroki Nakano , Takashi Koide , Daiki Chiba

The proliferation of false information in the digital age has become a pressing concern, necessitating the development of effective and robust detection methods. This paper offers a comprehensive review of existing false information…

Social and Information Networks · Computer Science 2025-06-24 Kun Xie , Sibo Wang

In the internet era there has been an explosion in the amount of digital text information available, leading to difficulties of scale for traditional inference algorithms for topic models. Recent advances in stochastic variational inference…

Machine Learning · Computer Science 2013-05-14 James Foulds , Levi Boyles , Christopher Dubois , Padhraic Smyth , Max Welling

Analysis of short text, such as social media posts, is extremely difficult because of their inherent brevity. In addition to classifying topics of such posts, a common downstream task is grouping the authors of these documents for…

Information Retrieval · Computer Science 2022-06-20 Graham Tierney , Christopher Bail , Alexander Volfovsky

Detecting online sexual predatory behaviours and abusive language on social media platforms has become a critical area of research due to the growing concerns about online safety, especially for vulnerable populations such as children and…

Computation and Language · Computer Science 2023-08-29 Thanh Thi Nguyen , Campbell Wilson , Janis Dalins

Membership diversity is a characteristic aspect of social networks in which a person may belong to more than one social group. For this reason, discovering overlapping structures is necessary for realistic social analysis. In this paper, we…

Social and Information Networks · Computer Science 2013-05-15 Jierui Xie , Boleslaw K. Szymanski

Email is one of the most widely used ways to communicate, with millions of people and businesses relying on it to communicate and share knowledge and information on a daily basis. Nevertheless, the rise in email users has occurred a…

Computation and Language · Computer Science 2023-07-18 Sultan Zavrak , Seyhmus Yilmaz

This paper addresses the important problem of discerning hateful content in social media. We propose a detection scheme that is an ensemble of Recurrent Neural Network (RNN) classifiers, and it incorporates various features associated with…

Computation and Language · Computer Science 2019-07-05 Georgios K. Pitsilis , Heri Ramampiaro , Helge Langseth

Phishing is an online identity theft technique where attackers steal users personal information, leading to financial losses for individuals and organizations. With the increasing adoption of smartphones, which provide functionalities…

Cryptography and Security · Computer Science 2025-01-03 Diksha Goel

Existing fake website detection systems are unable to effectively detect fake websites. In this study, we advocate the development of fake website detection systems that employ classification methods grounded in statistical learning theory…

Computers and Society · Computer Science 2013-10-01 Ahmed Abbasi , Zhu Zhang , Hsinchun Chen

Background: Unstructured and textual data is increasing rapidly and Latent Dirichlet Allocation (LDA) topic modeling is a popular data analysis methods for it. Past work suggests that instability of LDA topics may lead to systematic errors.…

Computation and Language · Computer Science 2018-09-04 Mika Mäntylä , Maëlick Claes , Umar Farooq