What is Uniform Resource Identifier (URI)?
- A URI is in the form of a string of characters for the purpose of identifying an abstract or physical resource.
- URIs provides a means that is simple and extensible for identifying a resource. A URI can be classified as a locator or a name.
- The URL is a subset of URI which identifies the resources through a representation of their accessing mechanism.
Some examples of URI are:https://www.polyu.edu.hk
http://proxy.polyu.edu.hk:8181
ftp://ftp.isi.edu/in-notes/rfc2234.txt
ftp://yourusername:yourpassword@the.site.youwant/the/path/of/yourfile
