Title	Multi Interactive Chatbot Communication Framework for Health Care
Author	Zoojan Memon, Fahima Tahir, Sanaullah Dehraj, Fozia Noureen, Akhtar Hussain Jalbani, Khuda Bux Jalbani, and Ghulam Hussain Jalbani
Citation	Vol. 20  No. 4  pp. 121-124
Keywords	ChatBot, Machine learning, NLP, HealthCare, Coronavirus

Title	Agility Analysis of Academic Site: Identify Issues of Site by Users
Author	Fozia Noureen, Sanaullah Dehraj, Manzar Bashir Arain, Irum Naz Sodhar, Ghulam Hussain Jalbani, Khuda Bux Jalbani, and Akhtar Hussain Jalbani
Citation	Vol. 20  No. 4  pp. 125-131
Keywords	Usability Testing, Online Pingdom Tool, Academic Website, Parameters, Performance of Site.

Title	6-Point Non-Stationary Subdivision Scheme by Hyperbolic B-Spline
Author	Asmat Naz Bajwa Sanaullah Dehraj Mehwish Bari Sunny Kumar Aasoori Muhammad Memon
Citation	Vol. 20  No. 4  pp. 132-138
Keywords	Binary Schemes, Approximating, Non-Stationary Subdivision Schemes Hyperbolic B-Spline Smoothness.

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.