Understanding the integration of accessibility requirements in the development process of information systems: a systematic literature review

People with disabilities (PwD) are frequently excluded from certain activities due to the lack of accessible information. In this area, information systems can help PwD by allowing access to a range of information about the accessibility of spaces, facilities, and products. There has been an increase in technologies that promote accessibility, but there are few literature studies which analyse how these technologies were developed to ensure access for all. To address this gap, this study aims to explore the integration of accessibility requirements in the processes of developing information systems. To achieve this aim, a systematic literature review was conducted using the PRISMA reporting guidelines. To conduct the review, a search was carried out for primary studies in four well-established databases—SCOPUS, Web of Science, IEEE, and ACM. A snowball search to find additional studies was also performed. Based on this, 34 papers were obtained to conduct the study. In general, the studies published on this topic are relatively recent, with healthcare and education being the two major areas where accessibility in information systems is most addressed. The integration of accessibility seems to be primarily applied during the requirement assessment and testing phases, involving potential users in the process. The results obtained within this systematic literature review raise awareness about the integration of accessibility for the success of solutions, which are oriented towards the accessible market. Additionally, the different practical and theoretical contributions can help future practitioners and technology developers establish guidelines that promote the integration of accessibility, thus achieving a more accessible and inclusive society.