Search (116 results, page 1 of 6)

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Abstract

Considering the characteristics of hypertext systems and problems such as cognitive overload and the disorientation of users, this project studies subject hypertext documents that have undergone conceptual structuring using facets for content representation and improvement of information retrieval during navigation. The main objective was to assess the possibility of the application of topic map technology for automating the compatibilization process of these structures. For this purpose, two dissertations from the UFMG Information Science Post-Graduation Program were adopted as samples. Both dissertations had been duly analyzed and structured on the MHTX (Hypertextual Map) prototype database. The faceted structures of both dissertations, which had been represented in conceptual maps, were then converted into topic maps. It was then possible to use the merge property of the topic maps to promote the semantic interrelationship between the maps and, consequently, between the hypertextual information resources proper. The merge results were then analyzed in the light of theories dealing with the compatibilization of languages developed within the realm of information technology and librarianship from the 1960s on. The main goals accomplished were: (a) the detailed conceptualization of the merge process of the topic maps, considering the possible compatibilization levels and the applicability of this technology in the integration of faceted structures; and (b) the production of a detailed sequence of steps that may be used in the implementation of topic maps based on faceted structures.

Date

22. 2.2013 11:39:23

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Abstract

Describes WorldWideWeb (WWW) software developed at CERN to provide hypertext links to the resources on the Internet telecommunications network. Outlines how to access WWW, itd features and approach to handling of multiple document types on multiplatform servers and to multiple clients

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Abstract

Introduces a generic approach to the development of hypermedia information systems. Emphasises the role of intrinsic inter-document relationships in structuring and visualising a large hypermedia information space. Illustrates the use of this approach based on 3 types of similarity measurements: hypertext linkage, content similarity and usage patterns. Salient patterns in these relationships are extracted and visualised in a simle and intuitive associated network. The spatial layout of a visualisation is optimised such that closely related documents are placed near to each other and only those intrinsic connections among them are shown to users as automatically generated virtual links. Supports self-organized information space transformation based on usage patterns and othe feedback such that the visual strucutre of the information space is incrementally tailored to users' search and browsing styles

Footnote

Contribution to a special section devoted to human-computer interaction and information retrieval

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Abstract

A new computer-based writing environment is being developed which combines a hypertext 'ideas organizer' with a text editor. Compares 2 algortihms which could be used in such environments for turning networks of notes indicating ideas into linear draft documents. The algorithms are designed to produce a linear ordering of the notes which is acceptable to the writer as a first draft of the document. Reports on experiments to test their effectiveness. Subject were asked to create notes networks which were then linearized by the 2 algorithms. The resulting linearization created by hand, were assessed for textual organization. The experiments indicate that both algorithms produce linearizations which are acceptable as draft texts, that the best first algortihm is marginally superior to the hill climbing one, and that providing information to the algorithms about link types had little effect on their effectiveness. Concludes by describing an implementation of the best first algorithm as part of the Writer's Assistant writing environment

Source

International journal of human-computer studies. 40(1994) no.4, S.727-752

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Abstract

"Krajewski draws on recent German media theory and on a rich array of European and American sources in this thought-provoking account of the index card as a tool of information management. In investigating the road from the slips of paper of the 16th century to the data processing of the 20th, Krajewski highlights its twists and turns--failures and unintended consequences, reinventions, and surprising transfers."--Ann M. Blair, Henry Charles Lea Professor of History, Harvard University, and author of Too Much to Know: Managing Scholarly Information before the Modern Age -- Ann Blair "This is a fascinating, original, continuously surprising, and meticulously researched study of the long history of the emergence of card systems for organizing not only libraries but business activities in Europe and the United States. It is particularly important for English language readers due to its European perspective and the extraordinary range of German and other resources on which it draws." --W. Boyd Rayward, Professor Emeritus, Graduate School of Library and Information Science, University of Illinois at Urbana-Champaign -- W. Boyd Rayward "Markus Krajewski has done the history of cataloguing and the history of information management a considerable service: I recommend it highly." -- Professor Tom Wilson, Editor-in-Chief, Information Research

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Abstract

In a hypertext database, the information is presented as a network of nodes connected by links. Such nodes may be text, graphics, audio, video, and even other software. Although hypertext provides a new approach to information management, it also leaves a whole new set of problems for the designers of the hypertext database to solve. As the volume of information grows, the task of authoring a hypertext database becomes much more complex. In this article, the author presents the experiences during the development of a hypertext version of the user's guide for information services on JANET, in the UK, by using HyperPAD, a hypertext shell for the IBM PC. It may be the first step to explore the proper way to solve those problems which come together with the increasing application of hypertext

Source

Aslib proceedings. 45(1993) no.1, S.19-22

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Date

1. 8.1996 22:08:06

Source

Computer networks and ISDN systems. 29(1997) no.8, S.1205-1215

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Date

1. 8.1996 22:08:06

Source

Computer networks and ISDN systems. 30(1998) nos.1/7, S.666-668

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Abstract

The design and development of web-based educational systems for people with special abilities have recently attracted the attention of the research community. However, although a number of systems that claim to meet accessibility needs and preferences are proposed, most of them are typically supported by hypermedia and multimedia educational content that is specially designed for the user targeted group. Such approaches prevent their user groups (both learners and their tutors) from accessing other available resources. Therefore, it is important to be able to built generic e-learning systems that would allow the reuse of existing learning resources in different accessibility demanding applications. To this end, in this article we propose a methodology for defining an accessibility application profile that captures the accessibility properties of learning objects in a standard form and we examine its application to the IEEE Learning Object Metadata (LOM) standard.

Theme

Computer Based Training

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Date

1. 8.1996 22:08:06

Source

Computer networks and ISDN systems. 28(1996) nos.7/11, S.1105-1112

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Source

Computer. 20(1987), S.17-41

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Series

NATO ASI series, series F: computer and system sciences; 81

Theme

Computer Based Training

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Date

21.10.2000 15:01:22

Series

Lecture notes in computer science; vol.1590

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LCSH

Computer programs / Catalogs

Subject

Computer programs / Catalogs

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Abstract

The World Wide Web (WWW) is one of the newest tools available to assist in the navigation of the Internet. As with other client/server network tools such as Gopher and WAIS, developments with the Web are in a dynamic state of change. Basically, WWW is an effort to organize information on the Internet plus local information into a set of hypertext documents; a person navigates the network by moving from one document to another via a set of hypertext links

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Source

IEEE computer. 20(1987) no.9, S.17-41

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Abstract

Argues for the inclusion of hypermedia systems among the basic components of computer environments. Reviews hypermedia principles and the terminolgy used and gives examples of several applications in which hypermedia already are or couls advantageously be used. Most computer applications would greatly benefit if hypermedia were extended from isolated applications to a system-wide facility and this could substantially simplify implementation of new applications. Extending hypermedia concepts to the organisation of the computer environment itself - the file system - and to the user interface would make computer environments more flexible and easier to use

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Source

IEEE computer. 21(1988), S.70-80

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Source

International journal of human-computer studies. 41(1994), S.223-241

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Abstract

The US Marine Corps has developed an information storage retrieval system, On-line Books that gives remote access to the complete text of the Marine Corps University war-fighting collection. Searching is through hypertext capabilities and document delivery via mailed printouts or electronic mail. Central to the system is the storage machine a main-frame attached, optical disc based network archive searver developed by File Tek Inc. Its main architectural components are: a channel network interface, a storage and transfer processor, a layered storage hierarchy composed of magnetic disc, multiple terabytes of optical discs mounted in a robotic library and shelf storage. Details the storage machine's architecture and describes other projects in the USA currently utilising multigigabyte storage technology