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Dr Daniel Churchill The University of Hong Kong Fundamental of Web Services.
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Transcript of Dr Daniel Churchill The University of Hong Kong Fundamental of Web Services.
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Dr Daniel Churchill The University of Hong Kong
Fundamental of Web Services
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sAbout the FacilitatorAbout the Facilitator
THE UNIVERSITY OF HONG KONG Faculty of Education
Dr. Daniel Churchill Assistant Professor
Room: Runme Shaw 116Email: [email protected]: +852.2859.1141
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sAbout the CourseAbout the Course
Click the icon to open relevant document
ModuleGuide
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sWhat is Internet?What is Internet?
Global Network of Computers Enables exchange of
information, communication and services
Questions: // Why term Information Superhighway?// What kind of information can you deliver over the internet?// What else besides information can you exchange over the Internet?
Study this intro to internet: http://www.internet101.org/
Image Source: Arshad Omari, ECU
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sWeb PageWeb Page
A web page is an electronic document written in a computer language called HTML (Hypertext Markup Language).
Questions: // How can you make a Web page?// What other kinds of electronic documents can you deliver over the internet?
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sWeb Page ContentWeb Page Content
Web pages can contain text, graphics, video, animation and sound, as well as interactive features, such as data entry forms and applications.
A web page can collect data and send it to a server for processing. Returning display can be composed of dynamic information.
A Web page usually contains hyperlinks to other web pages. Hyperlinks are text and images that connect to other web pages and files for download.
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sAnatomy of Domain namesAnatomy of Domain names
A Web page has a unique address known as URL (Uniform Resource Locator), which identifies its location on the host server.
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sAnatomy of Domain namesAnatomy of Domain names
http://www.hku.edu.hk/maps/index.html
This is a folder on the web server that contains a related
web page within the website.
Short for Hypertext Transfer Protocol,
this indicates a hypertext document or
directory.
This indicates a page on the World Wide
Web
The domain name often tells you the
name and nature of the company (COM), school (EDU), or
organization (ORG), and the country of
origin (AU, SG, UK...)
These indicates the web server name (usually
name of a company/organization).
This is a web page inside the
folder that is presented.
This is an abbreviation of a country where the site is registered
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sDomain Name RegistrationDomain Name Registration
Let’s look at:http://domains.aplus.net
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sClients and ServersClients and Servers
Browser Software runs on the client system and
displays HTML documents formatted
from the screen
Server HostClient Host
Internet Information Server (IIS) is a program which runs on the server
and handles client requests for WWW
documents
HTTP - Hypertext Transfer Protocol is the means by which WWW documents are sent
across the Net
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sBrowsersBrowsers
A web browser is a software program used to access the World Wide Web.
Question: // What are the most popular Browsers?
Browsers can encode HTML and display Text and Show graphics (pictures and drawings)
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sExtensions to BrowsersExtensions to Browsers
If you want something more than just a picture and a text, e.g. video, interactive animation and simulations you need to add on more features to the Browser by installing plug-ins.
Most popular plug-ins are Macromedia Flash Player, Authorware Player, QuickTime from Apple, RealVideo, JRE-Java Runtime Environment, etc…
Question: // Do you know any other Plug-in?
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sFundamental TechnologiesFundamental Technologies
Web Pages (HTML) Portable Documentation Multimedia Content Data Bases Java Script Java, PhP, ASP XML Web Servers, Streaming Technologies, Content
Management, LMS, Hybrid technologies (mobile devices), Firewalls and Proxies,…
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sPutting the Content on the InternetPutting the Content on the Internet
You can use FTP software to connect to servers to upload your web based material
Local Machine Server
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sPutting the Content on the InternetPutting the Content on the Internet
You can sign for a free web space
Question: // Does anybody know any free web hosting?
Content might also be placed in data bases Your work might also be placed in Digital
Libraries, Content Servers, and Learning Management Systems technologies
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sExploring Web ServicesExploring Web Services
News (http://www.cnn.com) Newspapers (http://www.scmp.com) Magazines (http://www.atnextmotor.com/)
Information from companies (http://www.cannon.com/ ), government (http://www.gov.hk), military (http://www.army.mil), NGOs (http://www.un.org), educational (http://wwww.hku.hk), projects (http://www.thebanmappingproject.com/), events (http://www.resfest.com/), individuals (http://www.kevinwarwick.com/), enthusiasts (http://www.tie-a-tie.net/ and groups (http://www.ocean.udel.edu/extreme2001/home/)
Fun, Entertainment and Games (http://games.yahoo.com/ )
Educational (http://www.bbc.co.uk/schools/) , Tutorials (http://www.kidzdom.com/flash5.html), learning management (http://www.nicenet.org)
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sExploring Web ServicesExploring Web Services
Customer support (http://www.canon.com.hk/En/school/index.aspx )
Sell things and Auctions http://www.bluenile.com/diamond_search.asp http://www.amazon.com/ http://www.ebay.com/ , http://alibaba.com/ , http://www.drive.com.au, http://www.realestate.com.au http://www.cinema.com.hk/
Phone Book and Yellow Pages http://www.yp.com.hk , Street Directories http://www.centamap.com/cent/index.htm
Medical http://health.discovery.com/ Jobs http://www.classifiedpost.com and educational
opportunities http://welcome.phoenix.edu/ Encyclopedias http://en.wikipedia.org/ , dictionaries
http://dictionary.reference.com/ and translation http://dictionary.reference.com/translate/text.html , reference material http://www.quotegarden.com/
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sExploring Web ServicesExploring Web Services
Music www.kaaza.com , Video on Demand http://www.learner.org/ , TV Channels http://tv.rtvi.ru/webtv2/usa/rtvi and Radio Stations http://www.hkvpradio.com/ontheair/
Children http://divastarz.everythinggirl.com/ http://www.magickeys.com/books/
Digital Libraries http://proquest.umi.com/login?ts=0 http://www.icdlbooks.org/ http://www.pagebypagebooks.com/
Banking and money (http://www.hsbc.com.hk www.paypal.com http://www.zopa.com
Communication www.skype.com , Communities, Discussions and Chat http://www.chat-avenue.com/ , Collaboration http://croquetproject.org/
Emails http://mail.yahoo.com , Faxes http://home.efax.com/ and SMS/MMS http://www.sms.ac/
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sExploring Web ServicesExploring Web Services
Travel Services http://www.chinatravel.com/ www.sawade.com , Airport Information http://www.hongkongairport.com/
Monitoring web services http://www.netmon.com/ , web counters http://www.free-counter.com/ , domain registration http://domains.aplus.net/ , web hosting http://www.hosting.hk/ , banner exchange http://www.click4click.com/ , advertising http://www.advertopedia.com/
Blogs http://www.blogger.com/start , Wikis http://wiki.org/ , Podcasting http://www.apple.com/podcasting/
Real data: markets http://finance.yahoo.com/ , currency http://www.x-rates.com/ , whether forecast http://www.bbc.co.uk/weather/ , Webcam http://www.mzd.sr.gov.yu/_eng/camera_live.asp , Satellite Images http://maps.google.com/ , Telescope http://hubblesite.org/, etc.
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sExploring Web ServicesExploring Web Services
Software Downloads http://download.com , free codes http://javascript.internet.com/ clip art collections http://office.microsoft.com/clipart/ http://www.iconbazaar.com/ , Photographs http://photo.scmp.com/ and technology web sites http://www.zdnet.com
Virtual Churches and other places of worship http://www.virtualchurch.org/
Plagiarism tracking http://www.turnitin.com/ Citation help http://citationmachine.net/ Propaganda and Bad Stuff…
Any aspect of human endeavors appears affected by the internet technologies
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sMany Things Change…Many Things Change…
Just in time information about anything High Level of Customization New citizenship Changing needs and demands New literacy New challenges Visual power of technology and changes in
human cognition
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sDelivery of Information is not just a Computer!Delivery of Information is not just a Computer!
Computers, Notebooks, Tablet PCs, PDAs, HDTVs, Mobile Telephones
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sSearching the InternetSearching the Internet
There are many searching engines
Lets look at http://www.google.com Searching and filtering e.g., site: define: link:
(See more functionalities at http://www.google.com.sg/help/features.html
Searching for Images and other Specific Categories
You can ask a question at Ask Jeeves:http://www.ask.com
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sSearching the InternetSearching the Internet
There is also MetaSearch Tools that use many searching engines and help you to organize search records. Lets look at the http://www.copernic.com
There are interesting visual search engineshttp://www.kartoo.com http://www.grokker.com
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sNow it is your turn...Now it is your turn...
Propose some interesting Web sites List class’ recommended sites in here
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sClass DiscussionClass Discussion
Internet is very useful for you as an information manager? Note class’ ideas in this area