1 / 16

بسم الله الرحمن الرحيم SEARCHING & evaluating THE Web pages

بسم الله الرحمن الرحيم SEARCHING & evaluating THE Web pages .

shawna
Download Presentation

بسم الله الرحمن الرحيم SEARCHING & evaluating THE Web pages

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. بسم الله الرحمن الرحيم SEARCHING & evaluating THE Web pages

  2. The Internet is a vast inter-connected computer network around the world that allows the sending and travel of informationthrough cables ,and satellites.The Internet includes commercial, educational, governmental, and other networks, all of which use the same set of communications protocols. The World Wide Web is a system of extensively interlinked hypertext documents: a branch of the Internet.

  3. The WORLD Wide Web is a blessing ,we should be thanking to God for it . • I t is one of this age miracles , not only scientific, but also social ,cultural ,economical ,and religious .

  4. Before the Internet Scattered information sources ,gained through a lot of time ,effort ,and money poor communication between people around the world Library services were limited with fixed times. To meet life needs we had to travel a lot Information was not updated continuously

  5. On the other hand ,the Internet does not contain everything ,it only has 5% of the world literature So We need to use other information sources as well.

  6. Searching the web

  7. subject search tools(directories) To get an overview of a topic , significant sites on a topic, discover the other relative subjects http://dir.yahoo.com/ http://www.dmoz.org/ http://www.ukplus.co.uk/ http://www.ask.com/

  8. Single Search engines When looking for topics described by very specific terms www.google.com www.altavista.com http://www.hotbot.com/ www.icerocket.com

  9. Meta search engines To get a survey of what has been mentioned on different sites about a topic www.mamma.com www.dogpile.com www.kartoo.com www.infogrid.com

  10. Databases

  11. Databases www.eulc.edu.eg www.libraryresearch.com http://www.csa.com/factsheets/lisa-set-c.php

  12. Other invisible web tools www.hakia.com http://www.ipl.org/ http://infomine.ucr.edu/

More Related