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In July 2014, the German agency GTAI (Germany Trade & Invest) released a comprehensive document named Industry 4.0 with a subtitle, Smart Manufacturing for the Future, identifying Germany as a potential global leader in digital economy development based on the definition of Industry 4.0. (MacDougall, 2014) When the elements of electronics and information technology in industrial processes were used in the late 1960s, the imaginary door opened to the start of the industrial revolution, the fourth in row.

Project Portfolio Management (PPM) deals with the coordination and control of multiple projects that pursue the same strategic goals and compete for the same resources, whereby managers prioritize among projects to achieve strategic benefits. PPM deals with simultaneously managing multiple projects and includes defining values, specifying priorities, solving conflicts between projects as well as defining organizational structure and the rules of its functions (Spradlin & Kutoloski, 1999). To provide maximum value to the organization, the portfolio must contain a balance of project types and risk levels as well as limit the number of projects to ensure that all projects can be resourced effectively (Killen, Hunt, & Kleinschmidt, 2008). According to numerous studies, project portfolio management is currently applied in the practice of nearly all modern enterprises (Miguel, 2006).

Nowadays, organizations may deal with a variety of issues challenging the decision making such as overflow of data, lack of information, lack of knowledge and insufficiency of reports (Lin, Tsai, Shiang, Kuo, & Tsai, 2009). Over the years, management information systems including DSS, ES, EIS, and so on have been widely supported companies with their decisions; however, a key missing capability to manage decisions for emergencies, monitoring competition, collect data from different points of views, and carrying out constant analyses of numerous data and consider different variants of organization performance, is the major cause of failure to adequately meet the needs of enterprise decision-makers (Olszak & Ziemba, 2007). Given the widespread changes and the dynamics of today’s environment, organizations need to use new information systems that can analyse the various causal relationships both within and outside the organization. Hence they move towards using business intelligence (Gangadharan & Swami, 2004; Duan & Da Xu, 2012).

Website usability and user experience are key measures of website quality (Sivaji & Tzuaan, 2012) and a key component of the websites that are commercially successful (Lowry et al., 2006). For today’s users, there are so many options in the environment of the Internet that each misstep in meeting user’s expectations might result in loss of the potential customer (Kakalejčík, 2016). Krug (2014) consider the usable website to be a place where a person of average (or even below average) ability and experience can figure out how to use the website in order to accomplish something without it being more difficult than is the value obtained by using it. The usable website has several attributes. It is useful, learnable, memorable, effective, efficient, desirable and delightful. Moreover, Aziz, Kamaludin, and Sulaiman (2013) add satisfaction and accessibility as additional features. Casaló, Flavián, and Guinalíu (2008) claim that perceived usability is an indirect factor that affects customer loyalty and positive word-of-mouth through satisfaction.

Research of the issue of evaluating the efficiency in specialized hospital facilities in Slovakia is all important and up to date with the following reasons leading the way. The first one is based on the finding that the number of newborns in Slovakia suffering from congenital heart diseases has increased over the recent years, and in the period between 2002 and 2012 annually 451 children at an average are born with this congenital disorder. The incidence of live-born children suffering from congenital heart disease has been steadily increasing since 2009. The second reason is in that the diseases of the circulatory system are rated among the most frequent cause of hospitalization and mortality in Slovakia, as confirmed by the International Classification of Diseases or the ICD (the international equivalent of the Slovak MKCH-10).