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Gateway Technology: Architecture, Collaboration, Intranets

Given by Geoffrey C. Fox at Gateway Workshop Aberdeen Maryland on 24-25 May 99. Foils prepared May 26 99

We make some general remarks on construction of object web distributed computing systems stressing the role of XML and multiple object models
We give some simple examples of XML definitions for machines and programs
We describe relationship to Enterprise Information Portals
We describe collaboration -- both synchronous and asynchronous -- in terms of event propagation
We go through a NPAC research program -- Shared Places -- illustrating role of XML and shared web objects


Table of Contents for Gateway Technology: Architecture, Collaboration, Intranets

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1 Gateway Technology Introduction and Relation to Collaboration and Intranets http://www.npac.syr.edu/users/gcf/gatewayarchmay99
2 Abstract of Gateway Technology Introduction
3 Basic 3 Tier Computing Model
4 Pragmatic Object Web Technology Model - I
5 Object View of running a program
6 Pragmatic Object Web Technology Model - II
7 Basic Multi Tier architecture
8 Proxy -- Proxy -- Backend Capability
9 Implementation Architecture
10 Some caveats and comments
11 XML and the Front End
12 Programming the Gateway
13 Backend Implementation I
14 Backend XML Continued II
15 Databases versus XML?
16 Linkage to Intranet
17 Merrill Lynch Predictions Enterprise Information Portals
18 File Formats I
19 File Formats II
20 ScienceML
21 Scientific Notepad
22 Collaboration I
23 Collaboration II
24 Collaboration and Gateway I
25 Collaboration and Gateway II
26 Shared Place Example: Introduction
27 Overview of SPDL Document
28 SPDL Document Header
29 Declare the Shared Objects
30 Definition of Groups of Users
31 Access to the Shared Place
32 Define User Roles I
33 Define User Roles II
34 Define Collaborative Sessions
35 Define Data Synchronization
36 Define source of Data
37 Web Page with 2 Shared Objects
38 Continuing the HTML File: Load Shared Place and 2 Java Applets
39 The Real Stuff in HTML Page

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