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[Ames et al. 96] Ames, L. A., & Nadeau, D. R., & Moreland, J. L. (1996). The VRML sourcebook. New York: John Wiley & Sons. [Bell et al. 95] Bell G., & Parisi A., & Pesce M. (1995). The Virtual Reality Modeling Language, Version 1.0 Specification. See also http://vrml/wired.com/vrml.tech/ [Berners-Lee et al. 95] Berners-Lee, T., & Fielding R.T., & Nielsen H.F. (1995) Hypertext Transfer Protocol HTTP 1.0. HTTP Working Group. See also http://www.w3.org/hypertext/WWW/Protocols/Overview.html [Broll and England 95] Broll W., & England D. (1995). Bringing Worlds Together: Adding Multi-User Support to VRML, VRML'95 Symposium, 1995, ACM SIGGRAPH, 87-94. [Broll et al. 96] Broll, W., & England, D. , & Fechter, J., & Koop, T. (1996). The Power of Dynamic Worlds. Submitted VRML 2.0 Proposal. Also published as: Towards Interactive Virtual Environments: Interaction and Behavior Extensions for VRML. Technical Report WSI96-11, University of Tübingen, Germany. See also http://orgwis.gmd.de/VR [Carlsson and Christer 93] Carlsson, C. & Hagsand, O. (1993). DIVE-A Platform for Multi-User Virtual Environments. Computer & Graphics, Vol.17, No. 6, 663-669. See also http://www.sics.se/dce/dive/dive.html [Brutzman et al. 95] Brutzman, D. P., & Macedonia, M. R., & Zyda, M. J. (1995). Internetwork Infrastructure Requirements for Virtual Environments, VRML'95 Symposium, 1995, ACM SIGGRAPH, 95-104. [van Hoff et al. 95] van Hoff, A., & Shaio, S., & Starbuck, O. (1995). Hooked on Java, Reading, Masachusetts: Addison Wessley. See also Java Language Documentation. Sunsoft (1995). See also http://java.sun.com/documentation.html [Honda et al. 95] Honda Y., & Matsuda K., & Rekimoto J., & Lea R. Virtual Society: Extending the WWW to support a Multi-user Interactive Shared 3D Environment, VRML'95 Symposium, 1995, ACM SIGGRAPH, 109-116. [Kumar 95] Kumar, Vinay (1995). MBone - Interactive Multimedia on the Internet, Indianapolis, Indiana: News Riders Publishing. [Macedonia et al. 95] Macedonia M.R., & Zyda M.J., & Pratt D.R., et al. (1995). Exploiting Reality with Multicast Groups: A Network Architecture for Large-Scale Virtual Environments, Virtual Reality Annual International Symposium, VRAIS `95, 1995, . Los Alamitos, CA: IEEE Computer Society Press, 2 -10. [Mitra et al. 95] [Mitra, Yasuaki Honda, Kouichi Matsuda, Gavin Bell, Chee Yu, Chris Marrin: Moving worlds: behaviors for VRML. VRML'95 Symposium, (San Diego, Ca., Dec. 13-15, 1995) See also http://webspace.sgi.com/moving-worlds/ [Pesce 95] Pesce, Mark (1995. VRML -Browsing & Building Cyberspace, Indianapolis, Indiana: New Riders Publishing. [Roehl 95] Roehl, Bernie. Distributed Virtual Reality - An Overview. June 1995. See also http://sunee.uwaterloo.ca/~broehl/distrib.html [VAG 96] VAG - The VRML Architecture Group, http://vag.vrml.org
Introduction Tracking WWW Users: Experience from the Design of HyperVisVR Chris Brown Communications Research Group University of Nottingham, University Park Nottingham NG7 2RD ENGLAND ccb@cs.nott.ac.uk, Steve Benford Communications Research Group University of Nottingham, University Park Nottingham NG7 2RD ENGLAND sdb@cs.nott.ac.uk Abstract: We are generally concerned with the development of a hypertext database visualization framework, HyperVisVR, which supports3D collaborative visualization, dynamic responsiveness to database updates and representation of the underlying database users in the visualization. In developing a plug-in database access module for the World Wide Web (WWW), we have needed to solve several problems related to the WWW's loosely-coupled stateless architecture. One such problem is that of tracking WWW users as they move between pages and servers. This paper discusses current approaches to tracking WWW users, proposes new ones and explores issues of privacy and mutuality with respect to the monitoring of hypertext access. As the WWW increases in size and complexity, there becomes a need for advanced tools to manage information overload. Image maps, navigation bars, server push/pull, Java, ActiveX and Shockwave are among the layout techniques that are being used by content providers to generate the site designs which predominate the WWW today. Although these complex web site layouts may improve navigability within the site itself, when we consider the WWW as a global distributed hypertext database, they can cause confusion as browsing users are met with a bewildering array of non-standard navigational tools and controls. Despite this recent proliferation of these non-standard interfaces, hypertext navigability is not a new problem. In 1990, Jacob Nielsen addressed the issue of users becoming lost in hyperspace and proposed the use of overview diagrams (maps) and fish-eye techniques [Nielsen 1990]. These approaches have been adopted by several researchers trying to improve the navigability of the WWW, particularly Dmel with his WebMap tool [Domel 1994], and Mujherta with the Navigation View Builder [Mujherta 1994]. The motivation for this paper is a project entitled HyperVisVR, which is a framework for visualization of large hypermedia databases within a 3D virtual world. The driving goals of this framework are: • Extensible through plug-in modules to support new databases and visualization styles. • Fully dynamic visualization which is responsive to viewers movement through virtual world. • Database access is represented in the visualization: users moving through the database have `embodiments'. • Modifications to the database are reflected in the visualization. • HyperVisVR applications support peer-peer communications to represent other visualization viewers in the visualization itself, and to share cached information about the database objects. As an underlying database for HyperVisVR, the WWW has the benefit of being ubiquitously available throughout the world. However, we believe it poses some unique problems due to its loosely-coupled, stateless, architecture. This makes it a particularly interesting first target for our visualization framework. To be more specific, the problems with the WWW as a database for HyperVisVR are: • It is difficult to extract rich meta information about objects on the WWW.
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Proceedings of WebNet 96— WebNet
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FULL PAPERS BRIAN BEVIRT Designing
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THIERRY LEVOIR & REMI BASTIDE SADS:
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MASAYASU AOTANI Distance education
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IAIN LANGDON Education for Changing
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PANELS M J MCALISTER, P COMER & MIS
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Designing Hypertext Navigation Tool
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Organize the Contents of Your Site
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multiple hierarchy charts have to b
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Developing Structured WWW-Sites wit
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Links refer to Templates. From the
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typing tool, which on the one hand
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and implement commercial Web-sites.
Page 27 and 28: constraints. It is important to rem
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Page 35 and 36: positive values to the course: 1. F
Page 37 and 38: 2. Problem Areas We have identified
Page 39 and 40: in our system is quite large, and p
Page 41 and 42: map information for display into th
Page 43 and 44: - whether these new applications co
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Page 49 and 50: information systems. Since late 199
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Page 65 and 66: Introduction The WWW as a Primary S
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Page 71 and 72: VRML and the Web: A Basis for Multi
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Page 85 and 86: [Benford et al. 1996] Benford, S.D.
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Page 89 and 90: current state of knowledge represen
Page 91 and 92: Figure 1: Textook and Glossary wind
Page 93 and 94: Part of this work is supported by a
Page 95 and 96: Database 2. Review of Related Work
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Page 107 and 108: Table of Contents Executive Summary
Page 109 and 110: Chapter One: The Web Marketplace Gr
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Page 123 and 124: The Aria.recorder is also capable o
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Aria.reporter takes advantage of th
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Introduction Automating Hypermedia
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Figure 3: 2: Add Course Graphic Cre
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Longevity of the HTML Course Creato
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Methodological Issues in Studying a
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4. Complexity of User Interaction:
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automatically, in a reliable and pe
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web users (i.e., scrolling list of
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the NSF EXPRES project. In [Galeghe
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Astronomy and Space Science Relevan
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surface of Pluto - assembled throug
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The Web as Process Tool and Product
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collaboratively produced report abo
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In the AIT course, key satisfaction
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Explorations: the Cornell Theory Ce
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version of Netscape 2.0 (Netscape w
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from video tape) and compromised on
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Designing a Course on the WEB : the
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charge of a training institute, we
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Another way of supporting "point to
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References [Derycke and D’Halluin
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like SGMLS or SP [Clark 95]. The WW
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MRTSpace is based on MRT, a Minimal
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2.3 Geometric and visual ‘continu
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IP Multicast messages do not work o
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came into common use. A number of e
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probably to human culture as a whol
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3D Visualization of WWW Semantic Co
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2.1 Extracting and Organizing WWW S
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mantic space comes from exploring r
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Introduction Interactive Justice Th
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presented by both public prosecutor
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A different communication mode allo
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Convergence to the Information High
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over 9 million at the beginning of
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unreliable electronic components co
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in an integrated model which has th
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Crane, D. (1972). Invisible College
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discourse does not mean that it is
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Figure 2 Communities within the lay
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The major services classified are:-
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Spears, R. and Lea, M. (1994). Pana
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presents relevant items to the user
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ProFusion's main process creates mu
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Managing Interdisciplinary Project
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influencing the study. To ensure th
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ANALYSIS The introduction of new co
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to be combined; this integration ac
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On receiving the information that a
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4.1.4 SPS-SCS delivery system This
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Aster Servers - How to make Aster m
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Another approach we have tested as
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information available on the web. W
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Project Based Learning - Global Vil
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http://www.ncsa.uiuc.edu/SDG/Softwa
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Web. It is tailored to the needs of
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Views of the Solar System - http://
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Gatherers and Brokers. The Gatherer
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(Uniform Resource Locators) are pre
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References Figure 6: Document Displ
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The RealAudio (http://www.realaudio
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For educators, this combination of
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The practical components of this pr
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typologize communication and media
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egistration pattern (in the reverse
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the Internet, in terms of informati
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Fig. 10: 3-dimensional pattern matr
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structure of the courses adheres to
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applications manage chat sessions,
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6. Evaluation Figure 4: Example
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Introduction Windows to the Univers
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Figure 1: The main navigation panel
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Our Planet Interior & Surface Atmos
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I. Introduction What is a browser?
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(1) [Baggett, Ehrenfeucht, & Guzdia
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Node display. In addition to enforc
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On-demand Multi-lingual Font Servic
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One of the advantages by using Java
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The directory can be an alias defin
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Real Audiences—Worldwide: A Case
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outstandingly successful authors re
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usually jumps over the keyboard --
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Introduction Web Conceptual Space R
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conceptual knowledge processing, kn
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and the 'Top' view for all applicat
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An Information Broker for Adaptive
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the worst case, we can make a rough
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These simple parameters significant
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[Weider 96] Weider, C. , Fullton, J
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experiments, listen to sound, run l
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The administration and management s
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Educational packages: the current i
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Embedded Interactive Concept Maps i
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eading and understanding informal c
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Every Smart Ideas document has a de
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and used an index into the HTML doc
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Introduction Building Internet-Base
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comments from others or newly assig
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Figure 3: Author profile Conclusion
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The major features are: Figure 1 Me
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Figure 3 FrameMaker requirements do
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5 Conclusions This article has pres
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On-the-Fly Web Pages Minus the HTML
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Scannell, Ted (1996). Steve Jobs In
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originator. Thus, the collaborative
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preferences, circumstances and task
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development concerns the previously
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Abstract: Aspects of Large World Wi
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Structuring data The unstructured a
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say on a LAN with a hypermedia serv
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Halasz, 1988 Halasz, F. (1988). Ref
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One of the CNES' goals is to make s
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Archived Files Start Time 1 End Tim
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HELP-EXCHANGE: An Arbitrated System
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Since the Help-Exchange system is e
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system avoids spamming since the qu
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From a Set of Technical Documents t
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“The machine that would perform t
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In the case of the link with commen
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[Glushko 89] Glushko, R. (1989). De
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• SWOOP [Hunter et al. 95] provid
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also planned for implementing this
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storage structures already establis
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Every S-collection (instance) has a
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do not map S-collections onto a glo
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The operator JOIN is applied to a c
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Internet India Suzanne McMahon Univ
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published in Bombay, includes shopp
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INDIA-E@INDNET.BGSU.EDU Economic Fo
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Instructional Materials The first c
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Reminder Robot For the Q&A section
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[Wusage 1994] Cold Spring Harbor La
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succeed, is also social in origin,
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Other ships may also appear on the
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An Intelligent Tutoring System on t
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Figure 1. Viewer Control Mechanism
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input and clickable map as the ways
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Designing Digital Libraries for Pos
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Layer HOSS allows an open set of st
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contradictory to produce a well-def
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[Chartier 1994] Chartier, R. (1994)
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much of the value on the Net “wil
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did nothing but slow down processin
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Bundling has been studied extensive
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The software industry relies on dif
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that is not accepted by society exi
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[Richardson & Radner 1996] Richards
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European Economic Area agreement. S
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Figure 2: Components of the learnin
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5. Concluding Remarks Figure 4: The
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A Distance Education How-To Manual:
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usually required. This can take pla
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piece, or of the whole piece. A CD
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Indexes, Keys: these tables define
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following, we discuss basic types o
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long: in the music database, the co
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The MARBLE 1 Project: A Collaborati
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available, as described above, help
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Feedback and Analysis Fig 2: Extrac
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Open Net and the Australian On-Line
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speeds, download times, changing br
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our audience, fall into one of the
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server change. When we had our own
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Structuring and classification of d
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would not have the rights to change
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5 Current Electronic Publications W
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WebGrid: Knowledge Elicitation and
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annotation form shown in Figure 2 t
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Figure 4 WebGrid form for rating el
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Figure 7 Main status screen of WebG
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As a final element, the realtor has
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WebGrid provides many additional fa
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Media, Multimedia and Meaningful La
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One question which arises in a disc
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about the medium. In studies in whi
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Schwerin advocates mediation as “
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The wider implications of this perc
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Internet, that quality may be seen
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The most frequently discussed probl
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3.2 Developer viewpoint A MicroWeb
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We anticipate that the complete Mic
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Database for employment information
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Figure 1 System Structure Figure 2
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Figure 5(b) Results of Searching
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ClassNet is a CGI-Script running un
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Current Uses Dr. Doug Yarger at Iow
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Introduction Modelling Alter Egos i
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Let us further suppose that the cyb
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• NEC to indicate that the action
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for example impossible to define an
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[vdRiet 95] R.P. van de Riet, A. Ju
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or "anchors." The anchors are stori
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Figure 1: Excerpt from SMART WWWeb
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there is less dissolved oxygen in t
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CS20 will provide students with new
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EPIC : Building a Structured Learni
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expects. The EPIC exercises are emb
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interactive courses around Scotland
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This paper begins by briefly survey
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must supply such information, the s
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Building the collection The lowest
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size is bounded by the size of a st
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the choice should be. It may be tha
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Introduction Supporting Provision a
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A visual resource base comprises a
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• Web browser: It performs the se
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POSTER / DEMONSTRATION
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integration of presentations create
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Science Technology Entry Program: I
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ID Comm: Building a Virtual Communi
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Preservice Teacher Education and th
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Un Meurtre a Cinet (Un homicidio en
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The Human Brain: A Frames-based Ima
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Collaborative Learning/Teaching on
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SHORT PAPERS
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system look for email from the mail
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Converting a Large Introductory Cou
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Bringing Instructional Design Princ
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Watermarking for the HyperWave Hype
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Impact of the Introduction of Web-B
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Owen, J.M. (1993). Program Evaluati
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(d) Low cost to students (e) Easier
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Introduction Robots And The Web: An
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Figure 2. BargainBot Search Results
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Conclusions and Future Work Figure
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Introduction Active Messaging in Ja
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Acknowledgments The authors would l
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The effective development of web-ba
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telecollaboration. This work aims t
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Introduction Internet for Teachers:
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Creating Educational Webmasters: Cy
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Acknowledgments I would like to tha
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The College of Human Ecology, which
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The screen dumps below show a large
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can also open and close levels of t
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Venice and Vienna, iconographic col
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Introduction: Cyberschool - Singapo
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1. Overview US Information Superhig
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Collaborative Design: A Cognitive A
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A Web Based Decision Support System
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addition to participating in teache
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communication between students, bet
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• Exploring Libraries introduces
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Design for Web-Based Learning Phili
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The effin factor concerns the appea
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Introduction The Web is not a Distr
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WEB-EDD: Electronic Document Delive
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Walker, G. L. & Thoma, G. R. (1995)
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3. Evaluation of Link Annotation fo
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Based on the needs addressed above,
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The Presentational use of the inter
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named-thing2(thing-type (parameters
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Integrating the use of the Web into
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linking within the web page is also
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Providing Medical Education Resourc
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logons by PPP/home access, Informat
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indeed create considerable turbulen
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Introduction Homeland: An Integrate
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[Frega and Volpentesta 94] Frega N.
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Summary: Our culture often thinks o
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Implementing Engineering Education
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Reorganised by the Web: Bringing th
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content providers--collaborative te
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Table 1: Sample items from the BEM
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Health Care Information on the Web:
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Abstract Shame and War Revisited Ad
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left to do? Style sheets don't let
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In this case, the Los Alamos Nation
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Differing Cultures: Bringing Minds
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Web of Thought: Ways to Make the Wo
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On Teaching and Collaborative Devel
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I.- History Distance Education on D
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But there is much more to this pict
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in Treemaps. In contrast, the Docuv
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Figure 2: Webview The Webview is us
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Figure 3: Intradocument View showin
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Using a WWW Server to Access and Ma
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W3Client Figure 1 : The Co-Learn WW
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Avoiding Vendor Lock-in: An Open Ap
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Web Courses for Northern B.C.: Virt
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Harvesting the Internet: Creating a
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School Participation in the Co-Deve
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a basic framework for adopting tech
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COMMUNITY WEB PROJECTS TO SUPPORT H
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Overview: Automatically Generated W
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Introduction Computer Aided Informa
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[Bloomfield 1994] Bloomfield, H. (1
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A Generic Learning Platform: From t
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etween Moscow and Western Europe, S
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Creating A Presence On The World Wi
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References [Hill 1993] Hill, Terry
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many of the students likewise had f
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DeRose, Steven and Durand, David, M
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{1} http://www.gfz-potsdam.de/drz/g
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significantly different. Analysis f
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3. The Web Based Solution Most CBT
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A Virtual Campus on the World Wide
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A unified NBCC-wide (and hopefully
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Start Your Search Engines! Authenti
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Observations on Web-Based Course De
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espond to at least four other discu
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examples of the many good discussio
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instructor intervention (to prevent
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Using the World Wide Web To Creativ
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In summary, the goals of the PTK ar
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like SGMLS or SP [Clark 95]. The WW
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All relevant information and links
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Introducation A Virtual Classroom i
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Introduction Put Your Experience on
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Domeshek, E.A. & Kolodner, J.L. 199
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• provide IP address • provide
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Incorporating World Wide Web techno
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1 Introduction Non-Invasive Improve
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The first author acknowledges CNPq
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order to make the students feel tha
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World Band: K-12 Music Education on
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PITS (Populated Information Terrain
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The big central landmark VRML Some
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SEEWeb - An Internet Solution Steve
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Archive.edu: A Storehouse of Classr
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[O’Haver 1995] O’Haver, M. (199
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Module Three The third module explo
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The development of a new journal ne
Page 777 and 778:
Implementation The tool is a Web-ba
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Providing Real Time Instruction on
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first was a single free text field
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the project as contributors of stud
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knowledge-acquisition have to be ac
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instead of contributing a lengthy r
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1. Introduction WWW3D: A 3D Multi-U
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6. Summary In this paper we have de
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collaborative programs. At the same
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and continued challenges of the pas
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In order to cater for the this latt
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Some lectures have pre-lecture assi
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Some Issues. T. of Japanese Society
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MENTOR: Internet Search Advisor and
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acquisition to be followed.- Repres
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Web in order to supplement the main
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When installed at the user end, stu
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These and other lessons learned hav
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some other details about the enviro
Page 815 and 816:
Interactive Teaching Material for t
Page 817 and 818:
The applet is organised around two
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esult, the new search queries not o
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Introduction Distant Education Mate
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Information. The Internet resources
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1 Introduction The Virtual Universi
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on-line, an audio and/or video conn
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Finally, if you are preparing lesso
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The user accessing the database (at
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Figure 2: The HTML page of Esther,
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PANEL
Page 837 and 838:
TUTORIALS
Page 839 and 840:
Table of Contents 1 INTRODUCTION 1
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specifications like the Initial Gra
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Low end digital cameras do not at a
Page 845 and 846:
To display images correctly the gam
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• PCD: Photo Compact Disc. Kodak.
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3.1 Database Types There are differ
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There are a lot of (hierarchical) k
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the user. The drawback of dynamic c
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types. These are used to restrict t
Page 857 and 858:
-18-
Page 859 and 860:
If you would like to modify the app
Page 861 and 862:
4.4 Database versus Information Ret
Page 863 and 864:
HARVEST [29,30] is a more complicat
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• Access speed: 10% with 9,6 Kbit
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17. Proceedings of the 3rd Internat
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50. Poynton CA. Frequently Asked Qu
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