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Creating Adaptive Applications with AHA! Tutorial for AHA! version 3.0 1Paul De Bra, Natalia Stash, David Smits 1 Eindhoven University of Technology Department of Computer Science PO Box 513, NL 5600 MB Eindhoven The Netherlands {debra,nstach,dsmits}@win.tue.nl Abstract. Creating adaptive applications consists of three aspects: creating a conceptual structure of the ap-plication domain, including concept relationships that can be used for adaptation, creating content to match the conceptual structure, and setting up a software environment that performs the adaptive delivery of that content to the end-user. In this tutorial we first show how to install the AHA! system. We then show how to create a concept structure using AHA!’s authoring tools and how to develop content so that AHA! can serve and adapt it to the individual user. AHA! is an open source Java-servlet-based software environment that works with the tomcat webserver, on Linux (or Unix) as well as on Microsoft Windows. It is available from http://aha.win.tue.nl/. 1 Introduction Adaptive hypermedia systems [1,2] have started to appear around 1990, when researchers combined the concepts of hypertext/hypermedia with user modeling and user adaptation. The first and foremost application of adaptive hypermedia was in education, where the navigational freedom of hypermedia was introduced into the area of intelligent tutoring systems. But since then applications in information systems, information ...