Title	Tourism Group Recommender System
Author	Amani Al-Ajlan, Sarah Alabdulwahab, Lulwa Aljeraisy, Asmaa Althakafi, and Rand Alhassoun
Citation	Vol. 22  No. 4  pp. 637-644
Keywords	Recommender System; Group Recommender System; Content-based Filtering; Mobile Application.

Title	Investigating the Effect of Cloud Computing Adoption on Improving the Digital Competitiveness Index-An Empirical Study: Case of Kingdom of Saudi Arabia
Author	Fahad Aldosari , Alanod Almiman
Citation	Vol. 22  No. 4  pp. 645-654
Keywords	Cloud Computing, Digital transformation, , Data Centers, IaaS, Enterprise Infrastructure

Title	Software Implementation of CCSDS Image Decompression Standard
Author	C.V.R Subbaraya Sastry, Amulya Sri Pulijala, G.S Narayan Rao, N Ramakrishna, and V.K Hariharan
Citation	Vol. 22  No. 4  pp. 655-662
Keywords	Golang, CCSDS, DWT, Bit Plane Encoder, Image Decompression, PSNR, MSE, MAE

Title	Rieaya: New Mobile Application for the Elderly Care Services at Home during the Covid19 Pandemic in Saudi Arabia
Author	Mona Alzuwaid† and Hajer Brahim
Citation	Vol. 22  No. 4  pp. 663-670
Keywords	Elderly care, Mobile application, COVID-19