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with this approach. Firstly, not all users have the required expertise to install fonts properly onto their computers. Secondly, font files occupy considerable hard disk space. Thirdly, some client computers may be owned by an organization, and hence managed by dedicated personnel. End users may not have privileges to install font files onto these computers. Some of the existing WWW browsers, for example, the Netscape Navigator Version 2.0, are able to display a number of language encodings like Chinese (Big 5, GB), Japanese (EUC-JP, SJIS) and Korean (ISO-2022-KR, EUC-KR). However, there are two limitations for them. (1) They are not able to display mixed-language documents, that is, a single document consists of more than one languages such as Chinese, Japanese and Korean will not be displayed properly. The selection of language encoding is an explicit task to be done by end user. (2) If the client computer or the local font server does not have the font installed, the browser will not be able to display document using that particular character/font set. On-demand Font Service In order to solve the multi-lingual document display problem, an on-demand font service that does not require system set-up and configuration is proposed. The on-demand font service should have the transmission speed no worse than the graphical method as stated in the Background section. The font service should be able to handle multiple font sets in different languages. In summary, the design goals of the proposed service are the following: (1) Requires no privileged system set up (2) Capable to handle multiple languages (3) Acceptable speed in operation The first criterion is handled by using standard WWW browser supporting Java applets. There are a few Javacapable WWW browsers on the market. The merits of using Java applets will be discussed in [Merits of Using Java Applet]. The second criterion is to allow multiple languages to be displayed. This goal is partly achieved through document syntax used on the server side, and another part is the Java applet developed to support different character and font sets with the same internal codes. That applet will also be able to display characters in different font families, size, and attributes. The third criterion is handled partly by the 'on-demand' nature of the font service. Unlike the method to install foreign font files on client computers, which font image for all characters in a particular language is downloaded and installed, only the font images of the characters actually used in the WWW document are transmitted on the network. The improvement in speed, compare with the font file installation method, will be significant for lots of Asian languages, especially for Chinese, which are composed of tens of thousands of different characters. The speed is further improved as there are expected to have repeated characters in a document. In the proposed on-demand font service, for the same character, the font image will only be transmitted once, and all further occurrence of the same character will be displayed by using the font image already transmitted and cached into client computer memory. This improves the speed on WWW browser compare with document in graphical format. Merits of Using Java Applet Java [Hoff et al. 96] is an Object Oriented (OO) language developed by Sun Microsystems for distributed computing environment.
One of the advantages by using Java is the machine neutral property of the compiled byte-code. That means, the same applet can be used on heterogeneous hardware platforms. The compiled byte-code is efficient enough in speed to be comparable to machine code compiled by native compiler. Java supports multi-threading in the language syntax. Multi-threading is useful in this project, as we can partition the functions performed by Java applets into several sub-tasks. One of the thread deals with the network in order to load the required fonts on demand. Another thread processes the document requested to be displayed on screen. Yet another thread looks for user interaction and responds accordingly. Security is an integral part in Java applet design. There are several ways in a Java applet to safe guard crackers, Trojan Horse or computer virus programs. Java applet is normally not allowed to make network connection but only to the host where the applet is come from. This measure can stop Trojan Horse programs that intend to gather local information. Java applet is not allowed to read/write files on local computer, for the same reason to stop Trojan Horse. Java is a strong-typed language. All references to memory should go through a defined object, so that the size and limit of an object can be verified. The On-demand Font Service in this project is implemented by using Java applets. We believe that Java provides a suitable environment for us to develop a distributed network tool which can be run on heterogeneous computer platforms. The Object Oriented features in Java language helped us to write manageable code. The security features in Java applet assures the safe operation in a public network. The multi-threading ability in Java language let us exploit available computing resources without paying extra effort to cater for different computer architectures. Java is new and hot, we foresee that the Java language may be one of the popular languages in distributed computing environment in the future [Ritchey 95]. System Setup A complete On-demand Font Service on Heterogeneous Computer Platforms composed of a number of entities. They are: WWW Server The WWW server is responsible for store and transmission of WWW documents. On the WWW server, it runs a daemon program, usually called , which it listens on a network socket for HTTP request. The syntax and response for the request are defined in the Hypertext Transfer Protocol [Lee et al. 96]. In the WWW server filesystem, it stores multi-lingual documents, the on-demand font service Java applets and the characters/fonts are supported by that server. There is no special setting nor non-standard programs on the WWW server for this project. The WWW server even does not require to support multiple languages in its own environment. Multi-lingual Document Syntax In a WWW page, if there are multi-lingual documents in it, the WWW administrator has to specify them by using a defined syntax. As existing WWW browsers support Hyper Text Markup Language (HTML) [Lee et al. 96], the syntax to define a multi-lingual document follows that standard. The following is a sample coding to include a multi-lingual document called containing traditional Chinese (BIG-5 encoding) characters: The applet parameter specifies that an applet called will be transferred from the WWW server to the browser. The parameter specifies the multi-lingual file to be displayed. It can
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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.
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constraints. It is important to rem
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A three-rowed "desktop" was used as
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All assignments were tracked, and s
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Figure 5: Student Information Toolb
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positive values to the course: 1. F
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2. Problem Areas We have identified
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in our system is quite large, and p
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map information for display into th
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- whether these new applications co
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4.3. The Production Phase The produ
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Requests 2500000 2000000 1500000 10
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information systems. Since late 199
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QuestWriter, which will be availabl
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Figure 1: Typical Study Approaches
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Figure 2: Feedback Loop for Questio
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educational Web page design. We hav
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Identifying and Meeting Needs of In
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Two new forms-driven templates, one
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What We Learned About Coaching Web
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Introduction The WWW as a Primary S
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Processing the Order Once users hav
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documentation, report a problem to
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VRML and the Web: A Basis for Multi
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Plate 2: Three users represented by
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Figure 2: Interfae components to ex
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Avatar Distribution Figure 3: Avata
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Introduction Tracking WWW Users: Ex
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etween subsequent requests, and an
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server not to cache that object. Ho
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[Benford et al. 1996] Benford, S.D.
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Published on the Web from the WebNe
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current state of knowledge represen
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Figure 1: Textook and Glossary wind
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Part of this work is supported by a
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Database 2. Review of Related Work
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Display Password Screen Check User
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Recently, Java has changed the way
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To meet our requirements, we have o
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Using the WebSM the creation of a q
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store its result in a variable, usi
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Table of Contents Executive Summary
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Chapter One: The Web Marketplace Gr
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4) Advertising Subsidy growing dram
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effectiveness of the ad with any on
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3) Server Performance The Web commu
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Chapter Three: Andromedia’s Aria
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3) Distributed Design Although Obje
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Aria.monitor is comprehensive with
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The Aria.recorder is also capable o
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is being used to create real-time r
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The Reporter user interface provide
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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
Page 231 and 232: Another approach we have tested as
Page 233 and 234: information available on the web. W
Page 235 and 236: Project Based Learning - Global Vil
Page 237 and 238: http://www.ncsa.uiuc.edu/SDG/Softwa
Page 239 and 240: Web. It is tailored to the needs of
Page 241 and 242: Views of the Solar System - http://
Page 243 and 244: Gatherers and Brokers. The Gatherer
Page 245 and 246: (Uniform Resource Locators) are pre
Page 247 and 248: References Figure 6: Document Displ
Page 249 and 250: The RealAudio (http://www.realaudio
Page 251 and 252: For educators, this combination of
Page 253 and 254: The practical components of this pr
Page 255 and 256: typologize communication and media
Page 257 and 258: egistration pattern (in the reverse
Page 259 and 260: the Internet, in terms of informati
Page 261 and 262: Fig. 10: 3-dimensional pattern matr
Page 263 and 264: structure of the courses adheres to
Page 265 and 266: applications manage chat sessions,
Page 267 and 268: 6. Evaluation Figure 4: Example
Page 269 and 270: Introduction Windows to the Univers
Page 271 and 272: Figure 1: The main navigation panel
Page 273 and 274: Our Planet Interior & Surface Atmos
Page 275 and 276: I. Introduction What is a browser?
Page 277 and 278: (1) [Baggett, Ehrenfeucht, & Guzdia
Page 279 and 280: Node display. In addition to enforc
Page 281: On-demand Multi-lingual Font Servic
Page 285 and 286: The directory can be an alias defin
Page 287 and 288: Real Audiences—Worldwide: A Case
Page 289 and 290: outstandingly successful authors re
Page 291 and 292: usually jumps over the keyboard --
Page 293 and 294: Introduction Web Conceptual Space R
Page 295 and 296: conceptual knowledge processing, kn
Page 297 and 298: and the 'Top' view for all applicat
Page 299 and 300: An Information Broker for Adaptive
Page 301 and 302: the worst case, we can make a rough
Page 303 and 304: These simple parameters significant
Page 305 and 306: [Weider 96] Weider, C. , Fullton, J
Page 307 and 308: experiments, listen to sound, run l
Page 309 and 310: The administration and management s
Page 311 and 312: Educational packages: the current i
Page 313 and 314: Embedded Interactive Concept Maps i
Page 315 and 316: eading and understanding informal c
Page 317 and 318: Every Smart Ideas document has a de
Page 319 and 320: and used an index into the HTML doc
Page 321 and 322: Introduction Building Internet-Base
Page 323 and 324: comments from others or newly assig
Page 325 and 326: Figure 3: Author profile Conclusion
Page 327 and 328: The major features are: Figure 1 Me
Page 329 and 330: Figure 3 FrameMaker requirements do
Page 331 and 332: 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
Page 471 and 472:
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
Page 501 and 502:
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
Page 535 and 536:
Introduction Supporting Provision a
Page 537 and 538:
A visual resource base comprises a
Page 539 and 540:
• Web browser: It performs the se
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POSTER / DEMONSTRATION
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integration of presentations create
Page 545 and 546:
Science Technology Entry Program: I
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ID Comm: Building a Virtual Communi
Page 549 and 550:
Preservice Teacher Education and th
Page 551 and 552:
Un Meurtre a Cinet (Un homicidio en
Page 553 and 554:
The Human Brain: A Frames-based Ima
Page 555 and 556:
Collaborative Learning/Teaching on
Page 557 and 558:
SHORT PAPERS
Page 559 and 560:
system look for email from the mail
Page 561 and 562:
Converting a Large Introductory Cou
Page 563 and 564:
Bringing Instructional Design Princ
Page 565 and 566:
Watermarking for the HyperWave Hype
Page 567 and 568:
Impact of the Introduction of Web-B
Page 569 and 570:
Owen, J.M. (1993). Program Evaluati
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(d) Low cost to students (e) Easier
Page 573 and 574:
Introduction Robots And The Web: An
Page 575 and 576:
Figure 2. BargainBot Search Results
Page 577 and 578:
Conclusions and Future Work Figure
Page 579 and 580:
Introduction Active Messaging in Ja
Page 581 and 582:
Acknowledgments The authors would l
Page 583 and 584:
The effective development of web-ba
Page 585 and 586:
telecollaboration. This work aims t
Page 587 and 588:
Introduction Internet for Teachers:
Page 589 and 590:
Creating Educational Webmasters: Cy
Page 591 and 592:
Acknowledgments I would like to tha
Page 593 and 594:
The College of Human Ecology, which
Page 595 and 596:
The screen dumps below show a large
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can also open and close levels of t
Page 599 and 600:
Venice and Vienna, iconographic col
Page 601 and 602:
Introduction: Cyberschool - Singapo
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1. Overview US Information Superhig
Page 605 and 606:
Collaborative Design: A Cognitive A
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A Web Based Decision Support System
Page 609 and 610:
addition to participating in teache
Page 611 and 612:
communication between students, bet
Page 613 and 614:
• Exploring Libraries introduces
Page 615 and 616:
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,
Page 629 and 630:
The Presentational use of the inter
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named-thing2(thing-type (parameters
Page 633 and 634:
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
Page 651 and 652:
Reorganised by the Web: Bringing th
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content providers--collaborative te
Page 655 and 656:
Table 1: Sample items from the BEM
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Health Care Information on the Web:
Page 659 and 660:
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
Page 671 and 672:
I.- History Distance Education on D
Page 673:
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
Page 692 and 693:
School Participation in the Co-Deve
Page 694 and 695:
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
Page 727 and 728:
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
Page 733 and 734:
examples of the many good discussio
Page 735 and 736:
instructor intervention (to prevent
Page 737 and 738:
Using the World Wide Web To Creativ
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In summary, the goals of the PTK ar
Page 741 and 742:
like SGMLS or SP [Clark 95]. The WW
Page 743 and 744:
All relevant information and links
Page 745 and 746:
Introducation A Virtual Classroom i
Page 747 and 748:
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
Page 759 and 760:
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
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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
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Interactive Teaching Material for t
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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
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TUTORIALS
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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
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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
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-18-
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If you would like to modify the app
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4.4 Database versus Information Ret
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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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