Internet

Access

Functions

WWW as the Universal Interface

WWW -- World Wide Web

Introduction to HTML

HyperText Markup Language

Document = raw text + embedded commands (tags)

Tags

Home Page

  the root document, index.html by default:

URL(Uniform Resource Locators)

    scheme://host.domain[:port]/path/filename

scheme :

Markup Tags

Formating

Linking

Local link

       <a href="primer.htm"> An HTML Primer</A>
        |           |               |
      anchor       link      text associated

External link

       <A HREF="http://www.ncsa.uiuc.edu/General/Internet/WWW/HTMLPrimer.html">HTML Primer</A>

       HTML Primer

Cross references

       <a href="#outline">Course Outline</A>

       Page Top

General Information

Comments

       <!-- CS U1430: Expert Systems -->

Bare page template

       <html>
       <head>
          <title>Bare page template
          </title>
       </head>

       <body>
          ...
       </body>
       </html>
Example: hello.htm

Preformatted

       <pre>
          ...
       </pre>

Entitiy names

       <     &lt;
       >     &gt;
       &     &amp; ampersand

Embedded graphs

       <img src="underconstruction.gif" border=0 height=40 width=40
               alt="[Under construction]">

       [Under construction]

Lists

ordered

  1. General Information
  2. Course Outline
  3. Textbook and References
  4. Schedule and Notes
  5. Homework Assignments
  6. Course-related On-line Resources
Example: ol.htm

unordered

Example: ul.htm

definition

WWW
World-Wide Web
HTML
Hyper Text Markup Language
URL
Uniform Resource Locators
CGI
Common Gateway Interface
Example: dl.htm

Tables

Terms Frequently Used
Acronym Full words
WWW World-Wide Web
HTML Hyper Text Markup Language
URL Uniform Resource Locators
CGI Common Gateway Interface

Example: table.htm

Forms

Data input using forms can be manipulated through
  1. cgi(common gate interface)
    Demo: cgi
  2. Java servlet
    Demo: servlet

Resources