Volume 31

Volume 31, Issue 4
Special Issue on "Digital healthcare services" and general research
Volume 31, Issue 3
Special Issue on "Artificial Intelligence (AI) and Robotics in Travel, Tourism and Leisure" and general research
Volume 31, Issue 2
Special Issue on "Recommendation Systems (RS) in Electronic Markets" and on "Hybrid Intelligence in Business Networks" and general research
Volume 31, Issue 1
Special Issue on "Internet of Things for Electronic Markets " and general research