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Artificial intelligence (AI) is reshaping how we live, learn, and work. Until recently, AI used to be a fanciful concept, more closely associated with science fiction rather than with anything else. However, driven by unprecedented advances in sophisticated information and communication technology (ICT), AI today is synonymous technological progress already attained and the one yet to come in all spheres of our lives (Chui et al. 2018;Lytras et al. 2018Lytras et al. , 2019.Considering that Machine Learning (ML) and AI are apt to reach unforeseen levels of accuracy and efficiency, this special issue sought to promote research on AI and ML seen as functions of data-driven innovation and digital transformation. The combination of expanding ICT-driven capabilities and capacities identifiable across our socio-economic systems along with growing consumer expectations vis-a-vis technology and its value-added for our societies, requires multidisciplinary research and research agenda on AI and ML (Lytras et al. 2021;Visvizi et al. 2020;Chui et al. 2020).Such a research agenda should oscilate around the following five defining issues (Fig.

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The nature of e-commerce is diverse [15]. Ecommerce has been categorized into business-toconsumer (B2C), business-to-business (B2B), businessto-government (B2G), consumer-to-consumer (C2C) etc. Users of e-commerce Web sites may be consumers, software developers/designers, business/service providers, business partners, suppliers, governments etc. Researchers have also shown that there are several perspectives about evaluation on quality for ecommerce Web sites that is, one may take an approach or combination of approaches like product quality, systems as product quality, service quality of provider, quality of services offered and quality of the Human-Computer Interface (HCI) design. This paper documents the review of literature on models for evaluating the quality of e-commerce Web sites and argues that there is still a lack of research in the area because of the inherent diversity of e-commerce.

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