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At present, Web 2.0 or Semantic Web is increasingly used to refer to a new state of the Web, while other terms are used such as Ontologies, Web Ontologies, Web Ontology Languages, Social Networks and Social Web, as well as social software. However, many of them are confused with each other and in some cases are taken as the same. These terms are highly linked to Web 2.0, the main objective of the study is to identify how many studies have been carried out on Web 2.0, Web 3.0 and Web 4.0. The methodology used to guide the process of the state of the art is the method of systematic review of the qualitative specialized literature; for this reason, we have chosen to use the guidelines presented for the systematic review of the articles of which 75 were selected from the different scientific journals of great world relevance. The final objective of the academic article is to improve the objective measures used in the various studies of Web 2, Web 3 and Web 4.0. The general conclusion of this study of systematic review of the studies found, is that although Web 4.0 has confirmed to be a very consistent technological resource, it still has limitations that manage to be perceived by other academics as opportunities for future research.

The Technology Acceptance Model in the Collaborative Learning of Web 2.0, Web 3.0 and Web 4.0: Higher Education Case Study