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Information quality in social media is an increasingly important issue, but web-scale data hinders experts' ability to assess and correct much of the inaccurate content, or `fake news,' present in these platforms. This paper develops a…

Social and Information Networks · Computer Science 2018-06-01 Cody Buntain , Jennifer Golbeck

Early rumor detection (ERD) on social media platform is very challenging when limited, incomplete and noisy information is available. Most of the existing methods have largely worked on event-level detection that requires the collection of…

Social and Information Networks · Computer Science 2020-03-03 Jie Gao , Sooji Han , Xingyi Song , Fabio Ciravegna

Semantic segmentation has been widely investigated in the community, in which the state of the art techniques are based on supervised models. Those models have reported unprecedented performance at the cost of requiring a large set of high…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Rihuan Ke , Angelica Aviles-Rivero , Saurabh Pandey , Saikumar Reddy , Carola-Bibiane Schönlieb

As the problem of drug abuse intensifies in the U.S., many studies that primarily utilize social media data, such as postings on Twitter, to study drug abuse-related activities use machine learning as a powerful tool for text classification…

Social and Information Networks · Computer Science 2019-04-04 Han Hu , NhatHai Phan , James Geller , Stephen Iezzi , Huy Vo , Dejing Dou , Soon Ae Chun

This study evaluates the effectiveness of different feature extraction techniques and classification algorithms in detecting spam messages within SMS data. We analyzed six classifiers Naive Bayes, K-Nearest Neighbors, Support Vector…

Cryptography and Security · Computer Science 2025-02-18 Mohsen Ahmadi , Matin Khajavi , Abbas Varmaghani , Ali Ala , Kasra Danesh , Danial Javaheri

Cloud networks increasingly rely on machine learning based Network Intrusion Detection Systems to defend against evolving cyber threats. However, real-world deployments are challenged by limited labeled data, non-stationary traffic, and…

Machine Learning · Computer Science 2026-04-15 Anasuya Chattopadhyay , Daniel Reti , Hans D. Schotten

Fake news detection in social media has become increasingly important due to the rapid proliferation of personal media channels and the consequential dissemination of misleading information. Existing methods, which primarily rely on…

Multimedia · Computer Science 2024-06-17 Wanqing Zhao , Yuta Nakashima , Haiyuan Chen , Noboru Babaguchi

Semi-supervised 3D object detection (SS3DOD) aims to reduce costly 3D annotations utilizing unlabeled data. Recent studies adopt pseudo-label-based teacher-student frameworks and demonstrate impressive performance. The main challenge of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Taehun Kong , Tae-Kyun Kim

Social media platforms are a rich source of information these days, however, of all the available information, only a small fraction is of users' interest. To help users catch up with the latest topics of their interests from the large…

Information Retrieval · Computer Science 2016-06-24 Cailing Dong , Arvind Agarwal

Conversations on social media (SM) are increasingly being used to investigate social issues on the web, such as online harassment and rumor spread. For such issues, a common thread of research uses adversarial reactions, e.g., replies…

Computation and Language · Computer Science 2021-03-15 Sumeet Kumar , Ramon Villa Cox , Matthew Babcock , Kathleen M. Carley

Twitter, as one of the most popular social networks, provides a platform for communication and online discourse. Unfortunately, it has also become a target for bots and fake accounts, resulting in the spread of false information and…

Social and Information Networks · Computer Science 2025-04-15 Alexander Shevtsov , Despoina Antonakaki , Ioannis Lamprou , Polyvios Pratikakis , Sotiris Ioannidis

Semi-supervised anomaly detection is a common problem, as often the datasets containing anomalies are partially labeled. We propose a canonical framework: Semi-supervised Pseudo-labeler Anomaly Detection with Ensembling (SPADE) that isn't…

Machine Learning · Computer Science 2022-12-02 Jinsung Yoon , Kihyuk Sohn , Chun-Liang Li , Sercan O. Arik , Tomas Pfister

A key challenge for automatic hate-speech detection on social media is the separation of hate speech from other instances of offensive language. Lexical detection methods tend to have low precision because they classify all messages…

Computation and Language · Computer Science 2017-03-14 Thomas Davidson , Dana Warmsley , Michael Macy , Ingmar Weber

In this paper, we present a simple yet effective semi-supervised 3D object detector named DDS3D. Our main contributions have two-fold. On the one hand, different from previous works using Non-Maximal Suppression (NMS) or its variants for…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Jingyu Li , Zhe Liu , Jinghua Hou , Dingkang Liang

To be prepared against cyberattacks, most organizations resort to security information and event management systems to monitor their infrastructures. These systems depend on the timeliness and relevance of the latest updates, patches and…

Machine Learning · Computer Science 2019-04-03 Nuno Dionísio , Fernando Alves , Pedro M. Ferreira , Alysson Bessani

Twitter, a popular social media outlet, has evolved into a vast source of linguistic data, rich with opinion, sentiment, and discussion. Due to the increasing popularity of Twitter, its perceived potential for exerting social influence has…

We investigate different strategies for automatic offensive language classification on German Twitter data. For this, we employ a sequentially combined BiLSTM-CNN neural network. Based on this model, three transfer learning tasks to improve…

Computation and Language · Computer Science 2018-11-08 Gregor Wiedemann , Eugen Ruppert , Raghav Jindal , Chris Biemann

Twitter bot detection has become an important and challenging task to combat misinformation and protect the integrity of the online discourse. State-of-the-art approaches generally leverage the topological structure of the Twittersphere,…

Social and Information Networks · Computer Science 2021-12-14 Shangbin Feng , Zhaoxuan Tan , Rui Li , Minnan Luo

We consider online change detection of high dimensional data streams with sparse changes, where only a subset of data streams can be observed at each sensing time point due to limited sensing capacities. On the one hand, the detection…

Machine Learning · Statistics 2020-09-23 Jie Guo , Hao Yan , Chen Zhang , Steven Hoi

Community detection is a fundamental task in social network analysis. In this paper, first we develop an endorsement filtered user connectivity network by utilizing Heider's structural balance theory and certain Twitter triad patterns.…

Social and Information Networks · Computer Science 2016-08-08 Mert Ozer , Nyunsu Kim , Hasan Davulcu
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