Tham khảo tài liệu 'biomedical engineering trends research and technologies part 14', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 510 Biomedical Engineering Trends Research and Technologies Model and Interaction Model. Brusilovsky 1996 also proposed a model that contained User Model warehoused in a User Model Base and Adaptive Interface. The Adaptive Hypermedia Application Model AHAM proposed by DeBra 1993 it is a variant from Dexter Model including the teaching model composed by pedagogic rules that are used by an adaptive engine to generate the features specifications. The AHAM uses the relationship concept among the components. The Adaptive Hypermedia Architecture AHA also developed by DeBra 1993 was considered as an AHS architecture but it contains an authorship tool that uses client-server technology. Today the growth of distance education has led to the growth of Adaptive Educational Hypermedia Systems AEHS . The Web-based Education led to the development of Adaptive Educational Hypermedia Systems AEHS . The AEHS are highly configurable systems that necessarily involve the user modelling. AEHS must to represent and to support the dynamic environment and user interaction. The AEHS become complex systems with many mechanisms of adaptation and several ways to presentation the interface. In these systems must be guaranteed a proper construction and that the system has a proper behaviour. Many adaptive hypermedia systems were developed without use of modeling techniques the developers have not followed the implementation methodology. Due to the countless applications of the AHS and the hypermedia technology development its is necessary to represent arbitrary references and mechanisms combination for specification these systems. A model is a theoretic referential to formalizes all the characteristics and essential functions that can be included in any hypertext application. The model should represent the static and dynamics structure of hypertext system. On Reference Models Halasz Schwartz 1994 the conceptual abstracts of hypertext hypermedia systems were created to establish standards to .
