united nations escap third group training course in application of information and communication...

Third Group Training Course in Application of Information and Communication Technology to Production and Dissemination of Official Statistics: Website Design, 28 May – 1 June 2007, SIAP, Chiba, Japan

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Module I: Basic Principles

Naylin Oo

Information, Communication and Space Technology DivisionUNESCAP


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• Section 1: Introduction, basic terminology, class discussion, and practical exercise

• Section 2: Basic principles of a web site and searching data on the Internet (exercise)


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Session 1:

Introduction



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If it is not on web . . .

. . . it does not exist

Eric Hermouet


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Internet Demographics

The internet (or WWW) that we know of today is around 15 years old.

Over 1 billions Internet users worldwide (March 2007)

– Asia: 400 millions– Europe: 315 millions– N. America: 235 millions– Latin America: 97 millions– Africa: 35 millions– The rest: 40 millions

(Source: Internet World Stats, March 2007)


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Internet Demographics


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Session 1:

Basic Terminology



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The Internet

• A Network of Computer Networks(Intranet: private network within an organization)

• Providing a large number of services:– World Wide Web– E-mail– Chat– Internet Phones (VoIP)– File Transfer– Newsgroups– Telnet


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The Internet


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An unbalanced network?

• Global Internet Map (http://www.telegeography.com/products/map_internet/index.php)

• Internet Traffic Report (http://www.internettrafficreport.com/main.htm)

• Different communication protocols• Different connection modes

– Different speed– Different level of reliability– Different pricing policies


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Communication Protocols

• For the communication, we use ‘Protocols’• ‘Protocols’ are agreed standards for data

transfer• Examples of ‘Protocols’ are:

– Transmission Control Protocol/Internet Protocol (TCP/IP)

– File Transfer Protocol (FTP)– HyperText Transfer Protocol (HTTP)


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Different connection modes

Dialup• 56 Kbs

Broadband• ISDN

– Integrated Services Digital Network– use ordinary phone lines – transmit digital instead of analog signals– 64 Kbs or 128 Kbs


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Broadband (continued)

• ADSL– Asymmetric Digital Subscriber Line– Use traditional copper telephone lines– Download at speeds of up to 1.544 Megabits– Upload at speeds of up to128 Kilobits per second– Maximum distance between user and phone switching office– Becoming the next standard?

• xDSL– Variations of ADSL


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Broadband (continued)

• Cable Modem– Usually using TV cables (fibre optic or coaxial)– Speed up to 10 Mbs

• Leased line, T1– Dedicated digital connection– Up to 1.5 Mbs

• Non-cable based– Satellite– Radio modem


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World Wide Web


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What is WWW?

The World Wide Web (or the "Web") is a system of interlinked, hypertext documents that runs over the Internet. - wikipedia

Standards used for display of Web-content are:– HyperText Markup Language (HTML)– Extensible Markup Language (XML)


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Accessing the WWW

• To access the WWW, you need a web browser: Internet Explorer (IE), Firefox (Mozzila), Opera, etc.

• In many cases, information are made available in specific and thus you need a specific software or plug-ins (e.g., viewers, players or office applications)


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Browser-window

Page Title

Address bar

Standard buttons

Connection

Status bar

Menu bar


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Elements of a (NSO) website (1)Logo

Navigation elements

Text links Image linksMenu links

Search engine


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Elements of a (NSO) website (2)

Feedback:emailto:

External Links


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Static Tables

Spreadsheets

Database Access


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Graphs

Documents in PDF-format


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Web Addresses

To find the right connection with the right computer, we use Uniform Resource Locators (URLs)

http://www.unsiap.or.jp/training/web/index.htm

protocol host name path (location) file name


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Session 2:

Basic Principles of

a web site

Module 1: Basic Principles


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Before you begin

1. Planning process

2. Design and development process (including testing and debugging)

3. Publishing process


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Planning Process

• Purpose• Goals and objectives• Assessment

– Target audience and scope– Requirements (resources and contents)– Timeline

Then, Development process, Publishing process


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Resource planning

• Human resources requirements

• Technical requirements– Hardware/Equipment– Software/Platform– Internet/Security architecture

Planning and Managing a Web site


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Roles and functions

• Webmaster function• Organizational support• Users• In-house data suppliers• Etc.



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Competency

• Management competence• Technical competence• Web design competence• Web development competence• Database competence• Language competence• Etc.



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The Webmaster functions:

• Web site planning and development• Day-to-day management and monitoring• Evaluate new trends and technology• Ensure that standards are followed• Devise in-house training• Keeping-up the quality• Promote cooperation and coordination• Ensure that policy directives are followed



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Organizational support:

• Management and policy support

• Technical support (IT)

• Coordination support

• Resource support



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Development Process

Six major stages:

1. Site definition and planning

2. Information architecture

3. Site design

4. Site construction

5. Site marketing

6. Tracking, evaluation, and maintenance


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Development Process

Required:

• Resources (financial, human, etc.)

• Contents (web pages, images, etc.)

• Design (structure, navigation, etc.)

• Hosting (shared, dedicated, etc.)

• Domain (TLD - .com, .net, .org, etc.)


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Testing and Debugging the Site

Users has different:

• Hardware (PC, Mac, etc.)

• Software (Windows, Linux, MacOS)

• Connections speed

• Languages

• Etc.


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Sustaining quality - Management:

• Monitoring for functionality• Check for misuse and pages not

following standards• Look out and evaluate new methods and

techniques• Apply security patches immediately• Good training programs• Good user relationship

Publishing and Maintenance


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• Crawler-Based Search Engines• Create their listings automatically

• Human-Powered Directories• Depend on humans for its listings

• "Hybrid Search Engines" Or Mixed Results

How Search Engine Work?

united nations escap third group training course in application of information and communication...

Documents

communication technology

application of information

united nations escap

group training course

internet slide

website design

internet exercise slide

japan internet demographics