Title	Effectiveness of Science Labs at Secondary School Level in Pakistan: an Evaluative Study
Author	Muhammad Dilshad Tarique Bhutti Sumera Irum Muhammad Shafi Meso Nek Muhammad Shaikh
Citation	Vol. 20  No. 4  pp. 168-174
Keywords	Education, Science Education, Science Lab , Science Lab staff, Science Student, Science Teacher, Secondary level.

Title	Towards Privacy-Preserving Knowledge-based Authentication: A Bayesian Network Approach
Author	Tahani Alsubait
Citation	Vol. 20  No. 4  pp. 163-167
Keywords	Privacy, Security, Knowledge-based authentication, Bayesian networks

Title	Effectiveness of using social media and analyzing its content in the detection of high-interest education technology topics
Author	Mohamed Desoky Rabeh
Citation	Vol. 20  No. 4  pp. 151-162
Keywords	Education, education technology, social media, content analysis.

Title	Recent Advances in Big Data: Features, Classification, Analytics, Research Challenges, and Future Trends
Author	Khalid Mahmood, M. Rahmah, Muhammad Ahsan Raza, and Binish Raza
Citation	Vol. 20  No. 4  pp. 139-150
Keywords	Big Data, Big Data Classification, Big Data Challenges, Big Data Analytics, Semantic Search, Information Retrieval.