Thursday, 16 May 2013

Network Application -- Part 2: Web Services (Web 2.0)

Network support business in four functions which are:
    
1.      Web services (Web 2.0)
2.      Discovery
3.      Communication
4.      Collaboration






2. Web services:

Web 2.0 is a loose collection of information technologies and applications, and the Web sites that use them ( Introduction to Information System, third edition,WILEY).


The Applications used by Web 2.0 are:
1. AJAX

AJAX is an abbreviation for (Asynchronous JavaScript And XML) which is a web development technique that allows portions of web pages to reload with fresh data instead of requiring the entire web page to reload.
Example: whenever you write a litter using the search engine “Google” you will find the results are changing quickly without refreshing the whole page. 


2. Tagging

A tag is word or term or group of them used to describes a piece of information.
Example: Describing; “blog, picture, article, video clip”.


3. Blogs and Blogging

Blog such as weblog is a personal web site that is open to everybody in which only the one who created it can expresses his/her feelings or opinions and share it with others.
Example: www.blogger.com

  

5. Wikis

Wikis are web sites on which anyone can post material and make changes to other material. Unfortunately such a websites can’t be trusted for 100%.



6. Really Simple Syndication (RSS)

RSS gives the users the opportunity the chance to receive information that they want, without the need of searching for it in thousands of web sites. This can be done by substring in certain types of website that offers this service.



7. Podcasts

Podcasts is digital audio file that is published in websites using RSS for playback on portable media players or personal computers.


8. Videocasts

A videocast is the same as a podcast, only with digital media and audio content.
 

Wednesday, 8 May 2013

Network Application -- Part 1:Discovery

Network support business in four functions which are:
1.       Discovery
2.       Communication
3.       Collaboration
4.       Web services (Web 2.0)

1. Discovery:
Is the ability to access information in databases from all over the world, this information can be about:
a.       Education
b.      Government services
c.       Entertainment
d.      Commerce

The tools used in the network discovery are:
a.       Search engines and metasearch engines
-          It’s a program that help users to search for anything by keywords


b.      Publication of material in foreign languages
-          Is to have the website translated in many different languages for different readers

c.       Portals
-          It’s a gate way to f information and knowledge in a form of a webpage, there are four types of portals:
1.       Commercial (public) portals
§  Could be about a community or about group of people share same interests (ex: political group, hobby group)

2.       Corporate portals
§  It provide information about an organization or corporate, it also offers a self-service opportunity to its customers and employees

3.       Industrywide portals
§  It is a portal that serve an entire industry