Adebola K. OJO

Work place: Department of Computer Science, University of Ibadan, Ibadan, Nigeria

E-mail: adebola_ojo@yahoo.co.uk

Website:

Research Interests: Data Mining, Computer Networks, Computer Architecture and Organization

Biography

Adebola K. OJO is a Senior Lecturer in the Department of Computer Science, University of Ibadan, Nigeria. She is a registered member of the Computer Professional of Nigeria (CPN) and Nigeria Computer Society (NCS). She had her BSc in Computer Engineering from Obafemi Awolowo University, Nigeria. She also obtained her Masters of Science and PhD Degrees in Computer Science from University of Ibadan, Nigeria. Her research interests are in Digital Computer Networks, Data Mining, Text Mining and Computer Simulation. She is also into data warehouse architecture, design and data quality via data mining approach.

Author Articles
K-Nearest Neighbors Bayesian Approach to False News Detection from Text on Social Media

By Ogunsuyi Opeyemi J. Adebola K. OJO

DOI: https://doi.org/10.5815/ijeme.2022.04.03, Pub. Date: 8 Aug. 2022

Social media usage has increased due to the rate at which technologies are emerging and it is less likely to detect false news/information manually as it aims to capture the human mind. The spread of false news can cause havoc; therefore, detection of false news becomes paramount where almost everyone has access to social media. Our proposed system optimizes the false news detection process. The system combines advantages of two textual feature extraction methods and two machine learning algorithms for text classification. Basic pre-processing methods were employed. Feature extraction was carried out using Term Frequency-Inverse Document Frequency with Word2Vector. K-Nearest Neighbour (KNN) and Naïve Bayes (NB) algorithms are combined to give KNN Bayesian. The most available systems made use of a single feature extraction method but in our system, two feature extraction methods are combined. The evaluation metrics used were accuracy, precision, recall, f1score and KNN Bayesian performed better than KNN. To further evaluate our model, the Area under the Curve-Receiver Operator Characteristics (AUC-ROC) revealed that AUC of KNN Bayesian ROC curve is higher than that of KNN.

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