Title	Ecological and Economic Aspects of Innovative Development of Urban Logistics Infrastructure Taking Considering Pandemic Constraints
Author	Svitlana Rusanova, Olexiy Kuzkin, Hryhorii Melkonov, Yuliana Lavrushchenko, Oksana Kuzmenko, Viktoriia Zhurian
Citation	Vol. 22  No. 3  pp. 9-16
Keywords	ecology, innovative development, urban logistics infrastructure, sustainable development, pandemic constraints

Title	Markov Chain based Packet Scheduling in Wireless Heterogeneous Networks
Author	Wahida Ali Mansouri, Salwa Hamda Othman, and Somia Asklany
Citation	Vol. 22  No. 3  pp. 1-8
Keywords	optimization, Markov chain, scheduling, real time traffic, Heterogeneous Wireless Networks

Title	Website and Digital Content between Material Property and Intellectual Ownership Rights within the Legal Regulation of Internet
Author	Rania S.Azab
Citation	Vol. 22  No. 2  pp. 424-435
Keywords	Intellectual property - Copyright - Contract ? Computer software ? Licenses agreements

Title	Modelling Data Flow in Smart Claim Processing Using Time Invariant Petri Net with Fixed Input Data
Author	Anokye Acheampong Amponsah, Adebayo Felix Adekoya, and Benjamin Asubam Weyori
Citation	Vol. 22  No. 2  pp. 413-423
Keywords	NHIS, Petri net, claim processing, reachability, data flow