Wu, H., De Kort, E., De Bra, P.: Design Issues for General-Purpose Adaptive Hypermedia Systems. In: Proceedings of the ACM Conference on Hypertext and Hypermedia (2001) 141-150  Home/Search   Document Details and Download   Summary   Related Articles   Check

....model. Likewise, the AHAM model [5] based on Dexter) describes most features that are found in adaptive hypermedia systems (ahs) In the AHA project funded by the NLnet Foundation we are extending the simple AHA system [4, 6] with the condition action rules that were introduced in AHAM [8]. This results in a more versatile adaptation engine, with more intuitive and more powerful rules. 1 Introduction In 1994 we started a course on Hypertext, consisting of lectures and a Web based course text. From 1996 on the lectures were discontinued and the course text was augmented with ....

....Hypermedia Application Model) 5] Based on the formal Dexter model for hypermedia [7] AHAM provides a framework to express the functionality of any ahs. Hence, AHAM is not the model behind the AHA system (as some people have asked us in the past) but rather the model behind almost every ahs. In [8] we studied the adaptation rules and the behavior of adaptive engines that can be expressed in AHAM. In this paper we describe our current efforts to bring the simple AHA system closer to the powerful adaptation systems that AHAM suggests. This effort is part of a project, funded by the NLnet ....

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Wu, H., E. De Kort, and P. De Bra. Design Issues for General-Purpose Adaptive Hypermedia Systems. Proceedings of the ACM Conference on Hypertext and Hypermedia, pp. 141-150, rhus, Denmark, 2001.

....guidelines or good tools it also leads to inconsistencies in the information that is available. The solution to these problems is the use of adaptive hypermedia technology. Brusilovsky [1] provides an overview of methods, techniques and applications of adaptive hypermedia. De Bra and Wu et al. [2, 3] provide a general reference model for adaptive hypermedia applications. This paper briefly describes the AHA system (Adaptive Hypermedia Architecture) being developed through a grant of the NLnet Foundation. 2. Brief Overview of AHA A website, made adaptive with AHA , consists of the ....

Wu, H., E. De Kort, and P. De Bra. Design Issues for General-Purpose Adaptive Hypermedia Systems. Proceedings of the ACM Conference on Hypertext and Hypermedia, pp. 141-150, rhus, Denmark, 2001.

....of concerns when developing an adaptive hypermedia application. The implementation part of AHS, called adaptation engine (AE) is the software that performs the adaptation (described by rules in AM) Design issues for a generalpurpose adaptation engine (AE) are discussed in earlier paper [WDD01]. We defined a rule language for AHS, AHAM CA and proposed a static analysis method to decide if for a given DM, UM and AM the AE would always terminate and if it would be confluent (meaning that the system would generate predictable results) In this paper we discuss how the (sufficient but not ....

....conditions that guarantee termination and confluence can be relaxed (while remaining sufficient) 2. The Adaptation Rule Language For lack of space we will not give a complete specification of the syntax of our (abstract) rule language, but illustrate it with an example. For details, see [WDD01]. AruleCA in AHAM consists of a condition (C) and an action (A) While the properties of the language are independent of the syntax that is used, we use an SQLlike syntax for clarity. An example of an AHAM CA rule is: C: select C 1 .knowledge where C 1 .knowledge # known A: update C 2 ....

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Wu, H., De Kort, E., De Bra, P., "Design Issues for General Purpose Adaptive Hypermedia Systems". Proceedings of the 12 th ACM Conference on Hypertext and Hypermedia, Arhus, Denmark, 2001 (to appear).

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Wu, H., De Kort, E., De Bra, P.: Design Issues for General-Purpose Adaptive Hypermedia Systems. In: Proceedings of the ACM Conference on Hypertext and Hypermedia (2001) 141-150

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Wu, H., De Kort, E., De Bra, P. Design Issues for General-Purpose Adaptive Hypermedia Systems. Proceedings of the ACM Conference on Hypertext and Hypermedia, pages 141--150, 2001.

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Wu, H., De Kort, E. and De Bra, P.: Design issues for general-purpose adaptive hypermedia systems. In: Proceedings of the ACM Conference on Hypertext and Hypermedia (2001):141--150

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H. Wu, E. D. Kort, and P. D. Bra. Design issues for general purpose adaptive hypermedia systems. In Proceedings of the 12 th ACM Conference on Hypertext and Hypermedia, Arhus, Denmark, August 2001.

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Wu, H., De Kort, E., De Bra, P., Design Issues for GeneralPurpose Adaptive Hypermedia Systems. Proc. of the ACM Conference on Hypertext and Hypermedia, Aarhus, Denmark, August 2001, pp. 141-150 Proceedings of the IEEE/WIC International Conference on Intelligent Agent Technology (IAT'03)

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Wu, H., De Kort, E., and De Bra, P. Design Issues for General-Purpose Adaptive Hypermedia Systems, in Proceedings of the 12th ACM Conference on Hypertext and Hypermedia, pp. 141-150, Aarhus, Danmark (2001)

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