Title	Cyberbullying Detection by Sentiment Analysis of Tweets' Contents Written in Arabic in Saudi Arabia Society
Author	Amjad Rasmi Almutairi and Muhammad Abdullah Al-Hagery
Citation	Vol. 21  No. 3  pp. 112-119
Keywords	Cyberbullying; Sentiment Analysis; Arabic Tweets; PMI; SVM;

Title	Sentiment Analysis of COVID-19 Tweets: Impact of Pre-processing Step
Author	Rami Ayadi, Osama R.Shahin, Osama Ghorbel, Rayan Alanazi, and Anouar Saidi
Citation	Vol. 21  No. 3  pp. 206-211
Keywords	C.ovid-19, Sentiment Analysis, Covid-19 Tweets, SVM, KNN, pre-processing step, Arabic Language

Title	Analyzing Tweets for Better Decision-Making using Machine Learning
Author	Hazzaa N. Alshareef and Imran Usman
Citation	Vol. 21  No. 10  pp. 119-124
Keywords	Arabic Tweets, Na?ve Bayes Classifier. Sentiment Analysis

Title	Generic Multidimensional Model of Complex Data: Design and Implementation
Author	Kais Khrouf and Hela Turki
Citation	Vol. 21  No. 12  pp. 643-647
Keywords	Multidimensional Analysis, Star Schema, Complex Data, XML, Tweets, Coronavirus Covid-19.