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example list shown in Table 1. By performing direct one-to-one mapping between languages, we avoid all problems regarding filters with different impact on different languages, as well as context dependencies and other semantic problems. 4. User Value Table 1: Mappings for English, Japanese and Trad. Chinese Restricting communication in the way we have been doing might be considered practical from the service providers point of view, but why should this rather Orwellian approach appeal to end-users, who are free to choose systems with more expressional power? Apart from the language-independence which obviously benefits the user, we see a number of other reasons. --> Ease of use: Since much of the information to be input to the system is already present in menus, the user does not need to type very much, worry about personal style or formulations, etc. --> Less decision making: Since the structure is standardized, the user does not need to decide what information needs to be input. He/she can also rely on passive knowledge when it comes to maker name, brand name, etc. --> Personal privacy: With the advent of more and more sophisticated query mechanisms on the Internet, many users are concerned about how bits and pieces of information that they supply can be used to make inferences about them. Our system can only provide standardized information and should be less of a threat to personal privacy. --> Harassment: Considering that it is relatively easy to forge e-mail addresses and IP numbers, a user could easily be connected to a sexually explicit or otherwise harmful statement in a free-form text system, which can lead to harassment or other inconvenience for the user. In a system with low expressional power, this is less of an issue. --> Matching service: Since the information input to our system is highly structured, it is very well suited for computer analysis. For this reason we can provide services that free-form text systems can not provide, such as parameterized matching of buy and sell ads with notification of the match to the advertisers. 5. System Implementation The system is strongly typed for information about goods in pre-specified categories. It consists of a relational DBMS, a WWW-server, as well as a Common Gateway Interface (CGI) application together with a set of HTML files for each language, building on a system described in [Bjorn and Hotaka 95]. The CGI processes language mappings and other meta-data, handles conversion between HTML data sent by users and SQL used for database queries, as well as builds dynamic HTML pages in reply to the users' actions [Bjorn 95]. --> Meta Data Structure: Language mappings are stored in a meta-database, so that the system can automatically
map information for display into the language preferred by the user. These language mappings also contain MIME headers for automatically changing the browser’s display format into the preferred language. --> Extensibility: The system is easily extensible: When a new language is added, only the set of HTML files as well as a resource file for the CGI has to be translated -- no changes have to be made to the database schema; instead, the meta database is simply updated with the new language mappings. The computers used as servers do not even have to support the language in question -- the only requirement is that the user's browser and computer support the desired language. --> HTML limitations: HTML was originally designed as a markup and linking language, but has been extended with various features which it sometimes lacks the expressional power to support satisfactorily. Our major problem was the FORM construct, which is not primarily used for linking or markup, but for data input and query in a way more reminiscent of database languages than of "page-layout" languages. The FORM construct only accepts text input, has HTML has no typing constructs. We rolled our own very simple typing system by reserving field names for certain data types, such as integers and sets. This is only mentioned here to point out a fundamental shortcoming with HTML. --> Extent of implementation: At present, the system contains English, Japanese and Traditional Chinese. These languages are fully transparent to each other, apart from vocabularies relating to person and place names. We plan to extend the relational database with such vocabulary mappings in the future. A strictly R&D only version of the system can be accessed at: http://db.sk.tsukuba.ac.jp/classifieds/classifieds.html, and a production version an be accessed at: http://wholecycle.eccosys.com/ 6. Conclusion With the passing of the Telecom Bill containing the Communications Decency Act (CDA) on February 8th, 1996 in the USA, the openness of the Internet was put into question. However, at the same time it is very difficult to control what kind of material is actually transferred on the Internet. For this reason, we have designed a classified ads based system, implementing a restricted pickup-language which can be used for trade of products or services or exchange of other types of information. Although free communication between buyers and sellers is not supported, we provide essential, multilingual product information to make the buyer/seller aware of a certain business opportunity, and establish an incentive for the buyer/seller to make an effort (e.g. via e-mail) to conclude the deal. In the future, we would like to extend the system to include other categories of products and areas of information, as well as provide a better theoretical base for the extraction of sufficient and necessary information from human languages. 7. References [Bjorn 95]. Bjorn, M. (1995). An Interactive Relational Database Gateway with Load Balancing. AUUG95 & Asia-Pacific WWW Conference, 1995, Australia, AUUG'95 & APWWW'95: 263-272. [Bjorn and Hotaka 95]. Bjorn, M. & Hotaka, R. (1995). An HTTP Gateway for Interactive Relational Database Query with Deferred Reply. IEICE Transactions on Information and Systems, Vol. E78-D, No. 11: 1407-1411. [Bjorn and Kim 96]. Bjorn, M. & Kim, H. (1996). Learn English or Else - Commercial Interaction on the WWW in Asian Languages, Information Retrieval in Oriental Languages, 1996, Taejon, Korea, KORDIC: 57-63. [DeJong 79]. DeJong, G.F. (1979). Prediction and substantioation: A new approach to natural language processing, Cognitive Science, No. 3: 251-273 [DeJong 82]. DeJong, G.F. (1982). An overview of the FRUMP system, Strategies for Natural Language Processing. Erlbaum, Hillsdale, N.J: 148-176 [Investor's 96]. Investor's Business Daily, 14 Feb 1996, A9 [King 96]. King, M. (1996). Evaluating Natural Language Processing Systems, Communications of the ACM, Vol. 39, No. 26: 63-72 [Quittner 96]. Quittner, J. (1996). Free Speech for the Net, Time, June 24, 1996, Vol. 147, No. 26, 52-53 [Wall Street 96] .Wall Street Journal, 5 Jan 1996, B2
Page 1 and 2: Proceedings of WebNet 96— WebNet
Page 3 and 4: FULL PAPERS BRIAN BEVIRT Designing
Page 5 and 6: THIERRY LEVOIR & REMI BASTIDE SADS:
Page 7 and 8: MASAYASU AOTANI Distance education
Page 9 and 10: IAIN LANGDON Education for Changing
Page 11 and 12: PANELS M J MCALISTER, P COMER & MIS
Page 13 and 14: Designing Hypertext Navigation Tool
Page 15 and 16: Organize the Contents of Your Site
Page 17 and 18: multiple hierarchy charts have to b
Page 19 and 20: Developing Structured WWW-Sites wit
Page 21 and 22: Links refer to Templates. From the
Page 23 and 24: typing tool, which on the one hand
Page 25 and 26: and implement commercial Web-sites.
Page 27 and 28: constraints. It is important to rem
Page 29 and 30: A three-rowed "desktop" was used as
Page 31 and 32: All assignments were tracked, and s
Page 33 and 34: Figure 5: Student Information Toolb
Page 35 and 36: positive values to the course: 1. F
Page 37 and 38: 2. Problem Areas We have identified
Page 39: in our system is quite large, and p
Page 43 and 44: - whether these new applications co
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Page 49 and 50: information systems. Since late 199
Page 51 and 52: QuestWriter, which will be availabl
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Page 59 and 60: Identifying and Meeting Needs of In
Page 61 and 62: Two new forms-driven templates, one
Page 63 and 64: What We Learned About Coaching Web
Page 65 and 66: Introduction The WWW as a Primary S
Page 67 and 68: Processing the Order Once users hav
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Page 71 and 72: VRML and the Web: A Basis for Multi
Page 73 and 74: Plate 2: Three users represented by
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Page 77 and 78: Avatar Distribution Figure 3: Avata
Page 79 and 80: Introduction Tracking WWW Users: Ex
Page 81 and 82: etween subsequent requests, and an
Page 83 and 84: server not to cache that object. Ho
Page 85 and 86: [Benford et al. 1996] Benford, S.D.
Page 87 and 88: Published on the Web from the WebNe
Page 89 and 90: 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
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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
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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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