MODULE 1 Internet Concepts

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MODULE 1 Internet Concepts
Instructions This part of the course is a
PowerPoint demonstration intended to introduce
you to Internet concepts. This part of the
module is off-line and intended as an information
resource for reference use. This part of the
module should be taken before using the live
tutorial.
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Topics

• Basic Internet Concepts
• History of the Internet
• Structure of the Internet
• Types of Information
• Evaluation of Information
• Search Tools Techniques
• Researching Health/Biomedical Information
• Managing Internet Resources
• Summary

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Basic Internet Terminology

• What is the Internet?
• Network of Computer Networks
• Telecommunications
• Protocols
• Uses
• Information Networks
• Libraries
• Research Centers

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Internet Protocols Uses

• E-mail
• TCP/IP
• FTP
• HTML
• HTTP
• TELNET

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Network of Information Networks

• Library Networks
• Local - A university, hospital, or research
  institute
• Regional A group of universities
• National - A country wide network
• International The WHO Library
  http//www.who.int/library/

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WHO Library Website
Here is the homepage of the WHO Library.
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The Internet Address or URL
This page is being viewed in the Internet
Explorer Browser. Browsers allow computers to
read Hyper Text Mark-up Language OR HTML
The Address or URL is typed in here.
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Entering a URL address in the address box
After Entering a URL address in the address box
click ok go or hit the RETURN key. In this
example we have entered http//www.who.int for
the WHO website
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Hypertext links
Links to other pages are usually underlined or in
another colour of text.
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Forward and back navigation buttons
The arrow buttons on the tool bar allow users to
move back and forward to pages within the
website.
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Home page button
The house icon on the tool bar will take you back
to the browsers default Home Page.
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Types of Information

• Library Catalogues
• Multimedia
• Reference Tools
• Journals, Newspapers Magazines
• Databases

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Sources of Information

• Academic Institutions
• Government Agencies
• Publishers
• Commercial - Proprietary Databases
• Non Profit
• Professional organizations-
• International Agencies- http//www.who.int/tdr/

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Internet Search tools

• Which search tools are needed?
• Directories
• Search Engines
• Meta Search Engines
• Invisible or Deep Web

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Directories

• What is a Directory?
• A file used to organize internet resources into
  categories.
• Types of Directories
• General-
• Cover many subjects
• http//www.yahoo.com
• Subject Directories.
• Cover specific subjects

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Search Engines

• Search Engines
• What are search engines?
• Components of a search engine
• Search Options
• Search Box Google- http//www.google.com
• Natural Language http//sp.ask.com/docs/help/

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The Google search engine
This is the Google search engine. Type your query
into the Google search box and click on the
Google Search button
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Search results on Google
This is how Google presents the results of your
search. Follow the links to the websites you wish
to visit.
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Meta Search Engines

• What is a Meta Search Engine?
• Examples
• Dogpile
• http//www.dogpile.com/
• Metacrawler
• http//www.metacrawler.com/index.html
• Why Use Meta Search Engines?

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Invisible Web or Deep Web

• What is the Invisible Web?
• http//library.rider.edu/scholarly/rlackie/Invisib
  le/Inv_Web.html
• http//www.lib.berkeley.edu/TeachingLib/Guides/Int
  ernet/InvisibleWeb.html
• Invisible Web Directories
• http//www.invisible-web.net/
• http//infomine.ucr.edu/

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Web Search Techniques

• Searching
• Which Tools?
• Types of Searches
• Browsing
• Keyword Searching
• Full Text Searching

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Boolean Searching

• Full Boolean Searching
• Predetermined language in a user fill-in
  template.

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Full Boolean Searching

• Use Logic Operators
• AND
• OR
• NOT
• Relevancy Ranking

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AND Operator

• Query- Information on Malaria AND Parasite

Malaria
Parasite
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OR Operator

• Query- Malaria OR Parasite

Malaria
Parasite
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NOT Operator

• Parasite NOT Malaria

Parasite
Malaria
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Advanced Searching Techniques - Tips

• Truncation
• Proximity Searching
• Phrase searching
• Near operator.
• Case sensitivity

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More Search Techniques

• Field Specific Searching
• Title
• Date
• URL
• Language Restrictions

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Evaluating Web Information

• Criteria for Evaluation
• Accuracy
• Authority
• Currency
• Coverage
• Objectivity
• Criteria for evaluating Health Information
• http//www.nlm.nih.gov/medlineplus/evaluatinghealt
  hinformation.html

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Free Internet Resources

• Full-text
• Ready reference material
• Library Catalogues
• Journals
• Government Information
• Research Databases
• Publishers Databases
• Discussion groups
• News

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Health Information on the Internet

• Directories
• http//dir.yahoo.com/Health/Medicine/
• Subject Directories
• Health Directories
• Databases - http//omni.ac.uk/
• Health
• Electronic Journals

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Databases

• Government
• http//www.nlm.nih.gov/hinfo.html
• International Health Organizations
• http//whqwings.who.int/RIS/RISWEB.isa
• http//www.who.int/tdr/topmenu/databases.htm
• Educational Institutions
• http//highwire.stanford.edu/lists/freeart.dtl

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Searching within the NLM website
This is the National Library of Medicine (NLM)
database. You can search the site from the Search
Box.
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HireWire Press free article database
This the HireWire Press free article database.
Users have access to over 740,000 full text
articles.
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Journals

• http//www.pubmedcentral.com/
• http//www.biomedcentral.com
• http//www.freemedicaljournals.com/
• http//bmj.com/
• http//www.doaj.org/
• http//dmoz.org/Health/Medicine/Journals/
• http//www.inasp.org.uk/ajol/index.html

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FreeMedicalJournals.com
FreeMedicalJournals.com lists journals sites that
make their content free to all users. Journals
are listed by A-Z, speciality, and language.
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BioMed Central
BioMed Central is an open access publisher that
makes access to published articles freely
available to the public. The journals are funded
by an author pays model.
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PubMed Central
PubMed Central is a free archive of articles that
have been deposited in this free repository.
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Fee-Based Internet Resources

• Reference Titles
• Periodical Indexes
• Electronic Journals
• Electronic Text Books
• Online Databases

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Managing Internet Resources

• Bookmarks
• What is a Bookmark?
• Netscape
• Favorites
• Internet Explorer
• Offline Activity

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Adding favorites 1
To add a page to Favorites click on the link on
the Tool bar.
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Adding favorites 2
You can now give your new Favorite a name.
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Adding favorites 3
When you select favorites from the tool bar you
can see that your page has been added to the
list.
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This is the end of Module 1
This is the end of Module 1 There is a Work Book
to accompany this part of the module. The
workbook will take you through a live session
covering the topics included in this
demonstration with working examples.