Kasper Osterbye
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Publications by Kasper Osterbye (bibliography)
» 1998 «
Wiil, Uffe Kock and Osterbye, Kasper (1998): Using the Flag Taxonomy to Study Hypermedia System Interoperability. In: Hypertext 98 - Proceedings of the Ninth ACM Conference on Hypertext and Hypermedia June 20-24, 1998, Pittsburgh, PA, USA. pp. 188-197. Available online
Interoperability between existing systems, program packages, tools and applications with various degrees of hypermedia awareness is a complex and important challenge facing the hypermedia community. This paper presents a general framework (called the Flag Interoperability Matrix) to discuss and examine hypermedia system interoperability based on the concepts and principles of the Flag taxonomy of open hypermedia systems. The purposes of the Flag Interoperability Matrix are to provide a framework to classify, describe concisely and compare different approaches to hypermedia system interoperability, and provide an overview of the design space of hypermedia system interoperability. The Flag Interoperability Matrix is used to examine existing interoperability approaches. Based on a systematic analysis of possible approaches to hypermedia system interoperability, the paper explores one solution to hypermedia system interoperability that seems particularly promising with respect to handling the growing number of applications with increasing but incomplete awareness of hypermedia structure concepts.
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» 1997 «
Bernstein, Mark, Carr, Leslie and Osterbye, Kasper (eds.) Hypertext 97 - Proceedings of the Eighth ACM Conference on Hypertext April 06-11, 1997, Southampton, UK.
» 1996 «
Osterbye, Kasper and Wiil, Uffe Kock (1996): The Flag Taxonomy of Open Hypermedia Systems. In: Hypertext 96 - Proceedings of the Seventh ACM Conference on Hypertext March 16-20, 1996, Washington, DC. pp. 129-139. Available online
This paper presents a taxonomy for open hypermedia systems. The purpose of the Flag taxonomy is manifold: (1) to provide a framework to classify and concisely describe individual systems, (2) to characterize what an open hypermedia system is, (3) to provide a framework for comparing different systems in a system independent way, and (4) to provide an overview of the design space of open hypermedia systems. The Flag taxonomy builds on the achievements of the Dexter model. It extends the terminology of the Dexter model to adequately cover issues that relate to open hypermedia systems such as integration and use of third-party applications to edit and display hypermedia components. Two of the most prominent open hypermedia systems, DeVise Hypermedia and Microcosm, are used as case studies. The Flag taxonomy is used to compare these systems on a carefully selected set of aspects that distinguish open hypermedia systems from other hypermedia systems.
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» 1995 «
Normark, Kurt and Osterbye, Kasper (1995): Rich Hypertext: A Foundation for Improved Interaction Techniques. In International Journal of Human-Computer Studies, 43 (3) pp. 301-321
Hypertext has broader applications than being just an information browsing method. Hypertext is a framework which allows for a powerful structuring of large amounts of information. Using hypertext concepts, it is possible to model data in such a way that users can manipulate this information in many different ways, and at different levels of abstraction. In this paper the relationship between the internal representation and the external presentations is discussed. In particular, it is illustrated how a well designed internal representation serves as a foundation for specialized interactions, which can be tailored to specific application areas, primarily by taking the underlying types of information into account. The hypertext interaction approach proposed in this paper has been shaped by our experience with a prototype, which has been operational since 1993.
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» 1994 «
Osterbye, Kasper and Normark, Kurt (1994): An Interaction Engine for Rich Hypertexts. In: Proceedings of ECHT 94 the ACM European Conference on Hypermedia Technology Sept 18-23, 1994, Edinburgh, UK. pp. 167-176. Available online
In semantically rich hypertexts it is attractive to enable presentation of a network of nodes and links at different levels of abstraction. It is also important that the user can interact with the hypertext using a command repertoire that reflects the chosen abstraction level. Based on a characterization of rich hypertext we introduce the concept of an interaction engine that governs the separation between internal hypertext representation and external screen presentation. This separation is the key principle of the HyperPro system. The HyperPro interaction engine is based on simple rules for presentation, interpretation of events, and menu set up. Much of the power of the interaction engine framework comes from the organization of these rules relative to the type hierarchy of nodes and links, and relative to a hierarchy of so-called interaction schemes. The primary application domain discussed in the paper is program development and program documentation.
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» 1992 «
Osterbye, Kasper (1992): Structural and Cognitive Problems in Providing Version Control for Hypertext. In: Lucarella, D., Nanard, Jocelyne, Nanard, Marc and Paolini, P. (eds.) Proceedings of ECHT 92 the Fourth ACM Conference on Hypertext November 30 - December 04, 1992, Milano, Italy. pp. 33-42. Available online
This paper discusses issues related to providing version control in hypertext systems. Many of the software engineering issues in versioning also apply to hypertext, but the emphasis on linking and structure in hypertext raises some new problems. The issues can roughly be divided into two categories. Datamodel issues, which will be referred to as structural issues, and user interface issues, which will be referred to as cognitive issues. Both structural and cognitive issues will be described and divided into simpler problems which will be named and described, and it will be shown that composites serve as a good starting point for solving both structural and cognitive problems of versioning.
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Mar 22nd, 2010
Changes to this page (author)
22 Feb 2010: Enabled abstracts to be shown on Kasper Osterbye's author page.28 Apr 2003: Added the author to the bibliography