2008.3.28

This week , we learned WWW(world-wide web)


People make media and then media make people

Tim verners-lee
-senior research scientist, laboratory for computer science (lcs), mit
3com founders chair, lcs, mit;
director of the world-wide web consortium
WWW(World-Wide Web)
1 .a collaboratively authored hypertext
2. it is a standard
3.the www is a vast, heterogeneous network of people and machines
*motivation
developed to be a pool of human knowledge,
which would allow collaborators in remote sites to share their ideas
and all aspects of a common project
ORGANIZATIONS AND STANDARDS

•writing standards is a process of collaborative writing
•the practical politics of classifying and standardizing:
–arriving at categories and standards,
–deciding what will be visible/invisible within the system

*this research fund many state (example:CERN, DARPA etc.)
*the economics of the work=the economics of standards

IOS(international standards organization)
a network of national standards
following principles
1.Consensus: The views of all interests are taken into account: manufacturers, vendors and users, consumer groups, testing laboratories, governments, engineering professions and research organizations.
2.Industry-wide: Global solutions to satisfy industries and customers worldwide.
3.Voluntary: International standardization is market-driven and therefore based on voluntary involvement of all interests in the market-place.

IETF(internet engineering task force)
a large open international community of network designers, operators, vendors, and researchers concerned with the evolution of the Internet architecture and the smooth operation of the
Internet
RFC(request for comments)
the official publication channel for Internet standards documents and Internet community.


URI (universal resource identifier)
•protocol : http, ftp, mailto,
•scheme : path (server/directory/file after :)
•urn : in a specific name, a specific resource

html(hypertext markup language)
•try [view] --> [source] in your web browser

http(hypertext transfer protocol)
*http is an internet protocol designed for transferring information for hypertext documents.