Dynamic Hypertext: Querying and Linking Richard Bodner and Mark Chignell University of Toronto Web: http://www.utoronto.ca/ Interactive Media Laboratory Web: http://www.imedia.mie.utoronto.ca/ 5 King's College Road, Toronto, Ontario, Canada M5S 3G8 Email: rbodner@mie.utoronto.ca, chignell@mie.utoronto.ca Web: http://www.imedia.mie.utoronto.ca/people/rbodner, http://www.imedia.mie.utoronto.ca/people/chignell Abstract: There are many models of hypertext, distinguished by a number of factors such as the underlying semantic data model (link typing and node typing), the degree of dynamic linking in the hypertext, and how dynamism and other behaviours are implemented. This essay examines a particular approach to dynamism in hypertext, based on the degree of similarity between a text passage in a source node and the text of a target node. It reviews work carried out over the past decade in creating systems for markup-based querying and dynamic hypertext, with particular emphasis on a model of dynamic hypertext that computes hypertext links on the fly using queries. Categories and Subject Descriptors: H.1.2 [Models and Principles]: User/Machine Systems-human information processing; H.3.3 [Information Storage and Retrieval] Information Search and Retrievalretrieval models; H.5.4 [Information Interfaces and Presentation]: Hypertext/Hypermedia-navigation General Terms: Information Interfaces, Information Systems Additional Keywords and Phrases: Information retrieval interface, dynamic linking, hypertext browsing 1. Introduction The idea of linking documents and images to
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