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GLOBAL foilset Jan 15 Delivered Lecture for Course CPS616 Information Track and Web Technology Overview

Given by Geoffrey C. Fox at CPS616 spring 1997 on Jan 15 1997. Foils prepared Jan 20 97
Abstract * Foil Index for this file Secs 61.9 See also color IMAGE

This Foilset contains introductory material on CPS616 course for spring 1997
Course Logistics
Overview of Field and Material covered and relation to other courses
Summary of Relevant Technologies

Table of Contents for full HTML of Jan 15 Delivered Lecture for Course CPS616 Information Track and Web Technology Overview

1 CPS 616 January-April 1997
Computational Science Track on base technologies for the Information Age:
Overview of Course and Associated Curricula
See:
http://www.npac.syr.edu/users/gcf/cps616master97
2 Abstract of CPS616-97 Administrative Set
3 Overview of CPS Web/Information Technology Courses
4 Course Details -- People and Grading!
5 Some Course Prerequisites
6 Components of a Web system Pictorially
7 Where to learn What you Want!
8 Basic (CPS606) Structure of World Wide Web
9 The Current Web Client Server Model
10 Architecture of Web Software
11 Some (New) Web Technologies in a Nutshell -- Java
12 Visible Human Applet (User Interface)
13 Some (New) Web Technologies in a Nutshell - JavaScript
14 Meryem JavaScript Selection Page (For WebWisdom)
15 Some Web Technologies in a Nutshell - PERL
16 Some (New) Web Technologies in a Nutshell - Database
17 Database Examples (Prepared for SC96)
18 Some (New) Web Technologies in a Nutshell - VRML
19 VRML GIS Examples (Prepared for SC96)
20 Some (New) Web Technologies in a Nutshell - MultiMedia
21 Digital Video Examples (Prepared for SC96)
22 Some Further Topics of Importance
23 Collaboration TANGO System (Prepared for SC96)

This table of Contents Abstract

HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 1 CPS 616 January-April 1997
Computational Science Track on base technologies for the Information Age:
Overview of Course and Associated Curricula
See:
http://www.npac.syr.edu/users/gcf/cps616master97

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 37.4 Addon(Course Home Page) Full HTML Index
Instructor: Geoffrey Fox
teamed with Meryem Ispirli, Nancy McCracken,
Tom Scavo, John Yip
Syracuse University
111 College Place
Syracuse
New York 13244-4100
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Foil 2 Abstract of CPS616-97 Administrative Set

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 61.9 Full HTML Index
This Foilset contains introductory material on CPS616 course for spring 1997
Course Logistics
Overview of Field and Material covered and relation to other courses
Summary of Relevant Technologies
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 3 Overview of CPS Web/Information Technology Courses

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 63.3 Full HTML Index
CPS606 Taught last semester is basic Java and Perl (CGI Scripts)
CPS616 is critical leading edge software system and application building technologies including JavaScript, VRML, Advanced Java Capabilities, Database - Web, Security
CPS600 (aka CPS640) is MultiMedia and Network Systems including digital video
CPS714 is Projects and Topics that we cannot cover!
The Sequence is termed a Certificate In Internet Systems
Next time CPS616 will assume CPS606 -- this semester it will not!
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Foil 4 Course Details -- People and Grading!

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 108 Full HTML Index
Instructor: Geoffrey Fox gcf@npac.syr.edu X2163 Room 3-131
Reserve Instructor: Nancy McCracken njm@npac.syr.edu X4687 Room 3-234
Grader: Mehmet Sen msen7@npac.syr.edu Room 3-201
All homework will be handled through the Web with dedicated Web and Database Servers set up for the class
Grade will be 35% based on project (last part of class) and 65% based on homework (set weekly in first 65% of class!)
Use University (or NPAC if you work there) clients to access Class material on the Web
We will set up a dedicated Pentium Pro PC cluster running Windows NT/95 for last part of class
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Foil 5 Some Course Prerequisites

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 61.9 Full HTML Index
We will finalise these after we review results of Survey
We will assume Basic Web Browsing and HTML expertise
In general CPS616 will assume basic Java and PERL but maybe not this year
You should be familiar with either PC or UNIX environment and program in at least one real language ( C C++ Fortran)
We will not assume any database knowledge and will cover SQL and ODBC in particular
No VRML or 3D Graphics expertise will be assumed
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Foil 6 Components of a Web system Pictorially

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * Critical Information in IMAGE
Secs 97.9 Full HTML Index
Host with Web Server and Attached CGI Script in PERL
Perhaps linking to a database
and digital Video Servers
Host holds HTML files typically stored in a UNIX directory system but could be in a database such as Oracle or Microsoft Access
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Foil 7 Where to learn What you Want!

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 86.4 Full HTML Index
CPS606: Basic HTML, Java and CGI SCripts with PERL
CPS600(640): Network Services, Multimedia Systems including Server and Client Digital Video
CPS616: HTML3, JavaScript, Advanced PERL5, Advanced Java (including 1.1 enhancements), Web linked databases (Oracle and Access, WoW and JDBC), Security and Commerce, VRML 1.0 and 2.0
CPS714: Java and Database Applications (It is graded only on projects), Compression, Web Agents (robots), Java Servers, Collaborative technologies
  • CPS714 is only offered in independent study fashion in 1997
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Foil 8 Basic (CPS606) Structure of World Wide Web

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * Critical Information in IMAGE
Secs 70.5 Full HTML Index
Browsers have SAME interface on ALL Computers
CGI Programs are typically written in PERL but can be essentially ANY UNIX Process and so do simulation, database access (this is Oracle WoW), advanced document processing etc.
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Foil 9 The Current Web Client Server Model

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * Critical Information in IMAGE
Secs 192.9 Full HTML Index
There are evolving/confusing/overlapping capabilities ...
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Foil 10 Architecture of Web Software

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * Critical Information in IMAGE
Secs 135.3 Full HTML Index
Application Specific NII Specific Services for
  • Education
  • HealthCare
  • Commerce
  • Manufacturing etc.
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Foil 11 Some (New) Web Technologies in a Nutshell -- Java

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 269.2 Addon(From NPAC) Full HTML Index
Java -- Objected Oriented version of C/C++ supporting Interactive Distributed Computing. Previous Web computing (eg CGI) was server-side. Java allows design and Implementation of balanced Client Server Applications
Java likely to be a dominant software engineering and Scientific Computing language
Java will probably be prefered language for development of next generation Web servers (e.g. Jeeves,Jigsaw) and clients
Java Applets can implement Client Side (and hence scalable) computations
  • Much more Computing Power in clients than servers and being client side gives much better response on "small jobs" than powerful servers with latency!
Java can build customized GUI's and graphics/image processing as in NPAC's Visible Human Viewer (won JARS award Dec 95)
Java will be used for filters/agents to convert formats etc.
New Java 1.1 has several enhancements
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Foil 12 Visible Human Applet (User Interface)

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. *
Secs 96.4 Full HTML Index
See Original Foil
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 13 Some (New) Web Technologies in a Nutshell - JavaScript

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 142.5 Addon(For WebWisdom) Full HTML Index
JavaScript -- only superficially related to Java and was called LiveScript -- is Netscape's fully interpreted Client side extension of HTML. This is a good Client Window integration/customization technology where flexibility more important than performance
i.e. use JavaScript for Rapid Prototyping of Complex User Interfaces
  • Current examples use JavaScript together with frames ( HTML extension) for interactive multi-window technologies
  • JavaScript is roughly equivalent to "Abstract Windowing Toolkit/ Layout Manager" in Java but applied to Netscape Frames and not Java windows
  • JavaScript cannot build filters or simulations as slow and little built-in support except
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Foil 14 Meryem JavaScript Selection Page (For WebWisdom)

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. *
Secs 174.2 Full HTML Index
See Original Foil
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 15 Some Web Technologies in a Nutshell - PERL

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 133.9 Full HTML Index
PERL is a relatively old technology which is being overtaken by Java tidal wave.
Still PERL has much better Systems and Document handling capability than Java
  • Very good for UNIX as much easier than Shell for system scripts -- PC versions exist but not so well integrated into O/S
  • Wonderful regular expression handling
PERL is traditional and probably best (today) choice for server CGI extensions and development of filters
-- especially those for text documents
PERL5 is object oriented but much less elegant (in my opinion) than Java
  • PERL5 has very useful multidimensional associative and regular arrays
PERL has well understood links to databases such as Oracle oraperl
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 16 Some (New) Web Technologies in a Nutshell - Database

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 180 Addon(Prepared for SC96) Full HTML Index
The Web provides a convenient integration environment for "mature" technologies migrating from existing computer environments.
Relational databases are a good example where it is now straightforward in Microsoft Access, Oracle, DB2, Informix, Sybase etc. to provide a Web Interface which can be used for data (mail, curricula material etc.) with Java/JavaScript/Forms based Interfaces
Object databases such as Illustra also interfaced to Web
Several excellent Java to Database packages becoming available with the JDBC standard based on ODBC which will cover later on
CORBA will have good Web and Java Interfaces but we will NOT discuss CORBA as we think it may be largely irrelevant as complex and not clearly going to "make it" as Web provides some of interoperability of CORBA automatically
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Foil 17 Database Examples (Prepared for SC96)

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. *
Secs 249.1 Full HTML Index
See Original Foil
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 18 Some (New) Web Technologies in a Nutshell - VRML

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 272.1 Addon(Prepared for SC96) Full HTML Index
VRML 1.0 widely available and specifies static 3D scenes through which you can navigate. Already provides universal visualization environment and we have examples of use In Geographical Information Systems
  • Note can embed clickable URL's as with ImageMaps which can be used to annotate images to provide interactive educational resources
  • Unfortunately about a factor of 10 slower than it could be as this is serious as 3D graphics is compute intensive!
VRML 2.0 is just released with prototype browsers but still aspects of technology are under intense research/debate.
  • This is designed to support full interactivity (televirtuality) with texture mapped video, avatars etc.
  • VRML 2.0 will require huge computing resources whether used as the virtual car-dealership / interactivity gaming or more academic uses such as collaboration between teachers and students in 3D virtual classroom
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Foil 19 VRML GIS Examples (Prepared for SC96)

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. *
Secs 195.8 Full HTML Index
See Original Foil
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 20 Some (New) Web Technologies in a Nutshell - MultiMedia

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 217.4 Addon(Prepared for SC96) Full HTML Index
Digital Video and Audio. This will enable collaboration and dissemination of fixed assets (audio/video clips) stored in multi-media databases or of information encoded in real-time.
  • RealAudio commercial product uses wavelet-like compression and delivers AM quality audio over 28.8Kbaud lines. Therefore works on Internet and can combine with images (or Interactive Java animations) for Web Conferencing and Consulting
Note these are typically streaming and not "batch" approachs. Current default Web downloads video to client before playing and this approach cannot scale!
Can use traditional (relational) databases to store metadata and text with which to index video.
Digital video works well over ISDN (128 kbits) but for full screen needs about .5 megabits per second even with wavelets
This will be CNN/Network digital delivery technology for future infinite cable channel world
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Foil 21 Digital Video Examples (Prepared for SC96)

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. *
Secs 37.4 Full HTML Index
See Original Foil
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 22 Some Further Topics of Importance

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. * See also color IMAGE
Secs 208.8 Addon(Prepared for SC96) Full HTML Index
Security -- Essential for many banking and shopping applications
  • Also very important to Department of Defense who would add fault tolerance (the system can be guaranteed to work) to classic encryption security technologies
The PC World which has typically better software than UNIX such as:
  • Symantec Cafe and Microsoft Visual J++ as a Java Development Environment
  • Faster Java (Just in Time) Compilers than UNIX
  • Better multimedia support
Specialized services and applications such as collaboration, computing, education, intranets which are built from Java JavaScript Databases etc.
Compression Technologies
HELP! * YELLOW=global GREY=local HTML version of GLOBAL Foils prepared Jan 20 97

Foil 23 Collaboration TANGO System (Prepared for SC96)

From Overview of CPS616 Technologies of the Information Age 1997 CPS616 spring 1997 -- Jan 15 1997. *
Secs 70.5 Full HTML Index
See Original Foil
Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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