1 Information Literacy Program Module 3 Untangle the Web: Finding Information on the Internet Emalus Campus

2 Other ILP Modules Module 1:Resources the Emalus Campus Library Module 2:Accessing the Emalus Library Website & Using the Online Catalogue Module 3:Untangle the Web:Finding Information on the Internet Module 4:Critically Evaluating Information Sources Module 5:Literature Search, Citing Sources & the Bibliography Emalus Campus

3 Learning Objectives to explain the Internet and the World Wide Web to demonstrate how to locate information on the World Wide Web to explain different ways of searching the World Wide Web Emalus Campus

4 Learning Outcomes At the end of this session, students should: understand what the Internet and WWW are be more aware of search tools such as directories, virtual libraries, and search engines to locate information on the Internet understand the different ways of searching the World Wide Web Emalus Campus

5 Some History Began in 1960s as a US Dept. of Defense military network 1969-Spread to link universities and research facilities (Advanced Research Projects Agency –ARPA) electronic mail was introduced in 1976 and Queen Elizabeth II was the first state leader to send an Emalus Campus

6 Some History the word “Internet is used for the first time libraries began making online catalogs available--early 1980s Tim Berners-Lee of CERN developed hyperlinks. He called it the World Wide Web (WWW) Emalus Campus

7 Some History, cont’d. the WWW is now the largest part of the Internet search engines and web directories have been developed to track web pages and enable people to find things wireless Internet worldwide there are about 2 billion Internet users --- ¼ of the world’s population Emalus Campus

8 What is the Internet? interlinked web of computer networks no organization, corporation or government owns or runs the Internet the WWW provides a single interface to the many functions of the Internet Emalus Campus

9 Why is the Internet slower in Vanuatu? Internet Infrastructure Fibreoptic networks use light pulses to transmit data (literally at the speed of light) Cost Geographical location Vanuatu relies on satellite connections for all communications Satellite signals have to travel a great distance above the earth and then back again causing a delay in data transmission Emalus Campus

10 Uses of the Internet Communication – –blogs –social networks, e.g..MySpace –virtual communities, e.g. Second Life Information Retrieval –libraries –Databases –Google –Wikipedia Presentation of Information –digital publishing (books, photos, etc.) Emalus Campus

11 Organization of the Web Web browser –example: Internet Explorer, Mozilla,Netscape Portal –Example: MSN.com Emalus campus website – Emalus campus library home page – Library Vanuatu Collection web page – Emalus Campus

12 The URL - Uniform Resource Locator URL indicates the location of a file on the Internet or WWW like a street address or library call number includes the type of service as well as the exact location of the file – Emalus Campus

13 Anatomy of a URL URL – uniform resource locator Type of protocol Name of Host Computer Domain Name Directory Path Requested File.edu /.ac /.com /.net /.gov /.org /.shop /.arts /.rec Emalus Campus

14 Different Domains on the Net.com or.co = commercial source.edu or.ac = education institute.gov = government source.int = non profit international organizations.net = mostly internet service providers e.g. Telecom.org = originally applied to non-profit organizations, but commercial and for-profit organizations now also use this designation addresses tend to reflect the parent (domain name) Emalus Campus

15 Domain Names Emalus Campus

16 Wikipedia.org Emalus Campus

17 Google Home Page Emalus Campus

18 Relevance Ranking order of terms of search location of terms in the document proximity of multiple keywords in the document repetition of keywords in the document location of the page Emalus Campus

19 Word Order Emalus Campus grass snake-Mostly about a kind of snake snake grass-Will find many about a kind of grass, not present in first search snake in the grass-Most pages will find expression but also first two “snake in the grass”-Most specific and precise. Exact phrase must appear

20 Google Basic Search Google uses boolean operators  the AND is implied all of the time in its basic search option  Various endings are implied –  kite flying= kites, kiting, flying, fly, flies that’s why you get such large numbers of records Emalus Campus

21 Getting fewer results I’m Feeling Lucky Define: Advanced Search Directories Google Scholar Other features—Images, Translate, etc. Emalus Campus

22 Google Advanced Search Emalus Campus

23 Search Tools search engines e.g. Google, Yahoo, Ask Library websites/databases, ‘Virtual libraries’ e.g. Infomine directories e.g. Yahoo, About portals e.g. Microsoft MSN Emalus Campus

24 Which Tool? looking for a specific item want to browse in a broad subject area looking for journal articles want to restrict results to sites that have been evaluated for quality → use Directories and Virtual Libraries Emalus Campus

25 Which Tool? looking for a specific topic looking for a subject that’s a bit vague just exploring to see what’s out there → use Search Engine or Portal Emalus Campus

26 Journal Articles Emalus Campus

27 INFOMINE Home Page Emalus Campus

28 INFOMINE Advanced Search Emalus Campus

29 Ask.com Home Page Emalus Campus

30 Ask.com Advanced Search Emalus Campus

31 No matter what your Information Source … you are responsible for evaluating the information and attributing your sources Refer to Module 4 : CARS criteria Refer to Module 5 : Literature search, citing sources & the bibliography Emalus Campus

32 Via the Internet The Internet gives you access to the good, the bad and the ugly. You can access countless providers of information, therefore …  evaluate the information you retrieve –you do this by verifying / cross-checking the information against other reliable sources Emalus Campus

33 Search Tips always check for typographic errors do not enter a single word to search to find an exact phrase, enter it in quotes “exact phrase” use the advanced search if available use a good subject directory to find reliable sites always evaluate information carefully Emalus Campus

34 In Summary different search tools have different strengths and weaknesses it’s easier to compare the results between 2 or more search engines if you use the same search terms consider keeping a list of interesting web sites, with brief notes on strengths that interest you or add to Favorites Emalus Campus

35 And Remember “Man is still the most extraordinary computer of all” ---John F. Kennedy