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purged data is still maintained even when the content data has been purged. This ensures that no relevant statistical information is ever lost. Data Objects Created Aria.recorder creates the following objects for persistent storage by Andromedia’s Aria.store module: • WebUser • WebUserAggregate • WebServer • CategoryIntersection • WebObject • WebObjectAggregate The WebUserAggregate and WebObjectAggregate, along with WebServer, generally stabilize in size for any given server site. The WebUser object identifies the user, the WebServer object identifies the server and the WebObject identifies the content (such as a HTML page, Java applet etc.). These objects then expand only when new users, servers and/or content types are encountered. While the start time of a visit is always captured, due to the stateless nature of the HTTP protocol, current web technology does not inform the server when a user has finished a visit and moved onto another page. Aria.recorder, therefore, allows web administrators to select a default “Time Out” to be used for ending a particular visit. By consistently comparing visits with similar time outs, it is possible to approximate the end point for the visit. After creating the objects Aria.recorder passes these to Aria.store for writing to the database. Categories The Aria.recorder daemon uses categories to translate obscure names or words into meaningful terms, and creates groupings of field values with similar traits. These categories (see “System Administration Tools) are user configurable. They are created in files of regular expressions which can be used on any of the four fields - URI, Referrer, User Agent or Domain. Aria.store Aria.store manages the real-time and persistent storage of objects created by Andromedia’s Aria.recorder. These objects are cached before being written to disk, to enable applications requiring real-time access to the data the immediate access they are depending on. At peak load times the data can be buffered for later processing during offpeak hours when more system resources become available. If Andromedia’s Aria.reporter ______________________________________________________________________________ The Aria Architecture Page 19 Andromedia, Inc. White Paper July 1996
is being used to create real-time reports, then additional hardware can be added at the site to minimize buffering and accommodate the immediate processing of all captured data. Aria.store supports multiple databases and sets up the Schema for the selected database. Single databases can also be partitioned across multiple machines, either for added performance or additional resource control. Aria.api Aria.api is the Application Programming Interface that allows access to the stored objects in the Aria.store database. This API permits the Aria environment to be completely open and extensible. The API defines how standard scripting languages such as Perl, Java, Tcl and C++ can access the data objects created by the Aria.recorder engine. The first API provided by Andromedia interfaces Perl5 to the ObjectStore database. This allows developers to write Perl5 scripts and add Perl5 modules that are accessible to users from web browsers. An application server will allow the Perl5 interpreter to be wrapped in an executable file and be aware of any Andromedia or user defined extensions. This avoids the need for the interpreter to be initialized and eliminates CGI forking, resulting in optimized execution speed. Third parties have the ability to access stored data objects and data structures through the Aria.api on both a real-time and persistent basis. Developers can build powerful new applications or interface existing applications to the web activity data through this API. This very same API is used by Andromedia’s Aria.reporter to analyze the stored data and create reports. API Object Classes The Web object model is organized into three fundamental classes; the users, their activities and the objects they manipulate. Users and objects are relatively finite, but their interactions are enormous. The object classes exposed through the API are Users, Servers, Pages, Visits, Statistics, Queries, Graphs and Reports. The first four classes can be monitored on a real-time basis. In a future Release the user can view aggregate data from these objects on a monitoring dashboard that displays the on-line information in realtime. The user object represents a specific user of the web site. It basically saves two kinds of information about the user. First, it saves account information which includes a site unique user id, when the user first visited, and when the account expired (best approximation of when the user left the site). The User object also saves a persona which is how the user would describe himself via a form or other information they control and make publicly available to web sites. The server object maintains information about the type and configuration of the server. It also tracks server statistics. ______________________________________________________________________________ The Aria Architecture Page 20 Andromedia, Inc. White Paper July 1996
Page 1 and 2:
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
Page 17 and 18:
multiple hierarchy charts have to b
Page 19 and 20:
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
Page 63 and 64:
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
Page 71 and 72:
VRML and the Web: A Basis for Multi
Page 73 and 74: Plate 2: Three users represented by
Page 75 and 76: Figure 2: Interfae components to ex
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
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
Page 97 and 98: Display Password Screen Check User
Page 99 and 100: Recently, Java has changed the way
Page 101 and 102: To meet our requirements, we have o
Page 103 and 104: Using the WebSM the creation of a q
Page 105 and 106: store its result in a variable, usi
Page 107 and 108: Table of Contents Executive Summary
Page 109 and 110: Chapter One: The Web Marketplace Gr
Page 111 and 112: 4) Advertising Subsidy growing dram
Page 113 and 114: effectiveness of the ad with any on
Page 115 and 116: 3) Server Performance The Web commu
Page 117 and 118: Chapter Three: Andromedia’s Aria
Page 119 and 120: 3) Distributed Design Although Obje
Page 121 and 122: Aria.monitor is comprehensive with
Page 123: The Aria.recorder is also capable o
Page 127 and 128: The Reporter user interface provide
Page 129 and 130: Aria.reporter takes advantage of th
Page 131 and 132: Introduction Automating Hypermedia
Page 133 and 134: Figure 3: 2: Add Course Graphic Cre
Page 135 and 136: Longevity of the HTML Course Creato
Page 137 and 138: Methodological Issues in Studying a
Page 139 and 140: 4. Complexity of User Interaction:
Page 141 and 142: automatically, in a reliable and pe
Page 143 and 144: web users (i.e., scrolling list of
Page 145 and 146: the NSF EXPRES project. In [Galeghe
Page 147 and 148: Astronomy and Space Science Relevan
Page 149 and 150: surface of Pluto - assembled throug
Page 151 and 152: The Web as Process Tool and Product
Page 153 and 154: collaboratively produced report abo
Page 155 and 156: In the AIT course, key satisfaction
Page 157 and 158: Explorations: the Cornell Theory Ce
Page 159 and 160: version of Netscape 2.0 (Netscape w
Page 161 and 162: from video tape) and compromised on
Page 163 and 164: Designing a Course on the WEB : the
Page 165 and 166: charge of a training institute, we
Page 167 and 168: Another way of supporting "point to
Page 169 and 170: References [Derycke and D’Halluin
Page 171 and 172: like SGMLS or SP [Clark 95]. The WW
Page 173 and 174: MRTSpace is based on MRT, a Minimal
Page 175 and 176:
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
Page 189 and 190:
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
Page 269 and 270:
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
Page 303 and 304:
These simple parameters significant
Page 305 and 306:
[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
Page 335 and 336:
Scannell, Ted (1996). Steve Jobs In
Page 337 and 338:
originator. Thus, the collaborative
Page 339 and 340:
preferences, circumstances and task
Page 341 and 342:
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
Page 435 and 436:
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
Page 445 and 446:
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
Page 451 and 452:
our audience, fall into one of the
Page 453 and 454:
server change. When we had our own
Page 455 and 456:
Structuring and classification of d
Page 457 and 458:
would not have the rights to change
Page 459 and 460:
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
Page 475 and 476:
One question which arises in a disc
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about the medium. In studies in whi
Page 479 and 480:
Schwerin advocates mediation as “
Page 481 and 482:
The wider implications of this perc
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Internet, that quality may be seen
Page 485 and 486:
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
Page 493 and 494:
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
Page 519 and 520:
EPIC : Building a Structured Learni
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expects. The EPIC exercises are emb
Page 523 and 524:
interactive courses around Scotland
Page 525 and 526:
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
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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
Page 547 and 548:
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
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The Human Brain: A Frames-based Ima
Page 555 and 556:
Collaborative Learning/Teaching on
Page 557 and 558:
SHORT PAPERS
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system look for email from the mail
Page 561 and 562:
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
Page 581 and 582:
Acknowledgments The authors would l
Page 583 and 584:
The effective development of web-ba
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telecollaboration. This work aims t
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Introduction Internet for Teachers:
Page 589 and 590:
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
Page 611 and 612:
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,
Page 629 and 630:
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
Page 671 and 672:
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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