An updated copy of the paper together with www.ContaminatedLAND.co.uk/Serendipidy/AGI-96.htm
- The Internet - is it "just a toy"
- History of the Internet
- What's on the Internet
- Sources of GIS information on the Internet
- The AGI Environmental SIG pages
- Redefinition of GIS
Slide 1 -   The Internet - is it "just a toy"
Slide 2 -   History of the Internet
Slide 3 -   What's on the Internet
Slide 4 -   Main services available on the Internet
Slide 5 -   Electronic mail
Slide 6 -   Newsgroups / Mailing Lists
Slide 7 -   The World Wide Web
Slide 8 -   Sources of GIS information on the Internet
Slide 9 -   Locating information without using the WWW
Slide 10 - GIS Mailing Lists / Newsgroups on the Internet
Slide 11 - Realtime GIS on the Internet
Slide 12 - City of Houston real-time Traffic guide traffic.tamu.edu / traffic.html
Slide 13 - The AGI Website
Slide 14 - The AGI Environmental SIG pages
Slide 15 - Conclusion
- Pornography - WH Smith
- Bomb making - Budapest
- Microsoft - Windows '97
- Based on ASCII -
data is portable
- Platform independent
- Set up in the 1970's - military communications network
- In the mid 1980's - few thousand users of the Internet.
- December 1990 - invention of the World Wide Web.
- Until the mid 90's - used mainly by
Universities - Now Commercial - growing at around 10% per month.
- In 1996 - an estimated 32 million users online,
- The Internet is in a state of flux
- Consists of various tools and services
- Migration from academia - needed utility and speed
- Now mainly commercial users - "point and click"
- WWW booming - easy to use front-end to the Internet
- FTP (file transfer)
- Telnet (remote login)
- Gopher (heirarchical searching)
- Email (electronic mail)
- Newsgroups (interactive discussion groups)
- World Wide Web (WWW or "the Web")
The last three (items 4,5,6) now the most used by "surfers" on the Internet
- It is cheap - local phone call
- It is electronic - can "cut and paste" text
- Can transfer binary files - images, spreadsheets
etc
- Does not need an instant response
Usenet/Newsgroup - "bulletin board"
Mailing List - "letters to the editor"
- Tightly focused - niche publications
- Usually free
- Subscription process - usually automated
- Back copies - usually archived
WWW - like gigantic on-line library, but index catalogue out of date!
Various search "engines" catalogue webpages - Two main types
a) Human intervention e.g. Yahoo!
b) Robotic web crawlers e.g. AltaVista
Yahoo -uses team of reviewers to classify site
AltaVista - sends out a robot to sequentially work through the Internet
Newsgroup often has corresponding Mailing List
e.g. main GIS newsgroup called "comp.infosystems.gis" -
corresponding mailing list called
"GIS-L".
Coastal GIS Biological Conservation and GIS ESRI products Job vacancies in the GIS field Idrisi support etc, etc
Coffee machine Field of Cows
Real time GIS - processed data accessed using
Hosted at Edinburgh University - on display here at AGI-96
Mailing list - fairly easy to setup (low cost software)
Software can automate many tasks
But human intervention needed - deal with subscribers
problems
Easiest option - set up SIG Environmental SIG pages www.agi.org.uk/pages/
Internet will dramatically alter the way we work
Automates tasks - will affect semi-skilled clerical workers
Vast opportunities to provide GIS services that now are too expensive
$64,000 question - how will people make Redefinition of the term GIS -
The AGI Website
The AGI Environmental SIG pages
Conclusion
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