NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Introduction

Session #1, Sept 13, 2005Session #1, Sept 13, 2005Session #2, Sept 14, 2005Session #2, Sept 14, 2005

Internet Concepts

and

Scientific Literature Resources

Ho Chi Minh City, VietNamHo Chi Minh City, VietNam

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Basic Internet Terminology

• What is the Internet?– Network of Computer Networks– Telecommunications– Protocols– Uses

• Information Networks– Libraries– Research Centers

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Internet Protocols & Uses

• E-mail

• TCP/IP

• FTP

• HTML

• HTTP

• TELNET

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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/• Hellis – http://www.hellis.org (Network of Health

Science Libraries Across Asia)

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Here is the homepage of the WHO Library.

WHO Library Website

http://www.who.int/library/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Hypertext links

Links to other pages are usually underlined or in another colour of text.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Forward and back navigation buttons

The arrow buttons on the tool bar allow users to move back and forward to pages within the website.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Home page button

The house icon on the tool bar will take you back to the browser’s default Home Page.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Types of Information

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Sources of Information

• Academic Institutions

• Government Agencies

• Publishers– Commercial - Proprietary Databases– Non Profit

• Professional organizations-• International Agencies- http://www.who.int/tdr/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Internet Search tools

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Search results on Google

This is how Google presents the results of your search. Follow the links to the websites you wish to visit.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Meta Search Engines

• What is a Meta Search Engine?

• Examples– Dogpile

• http://www.dogpile.com/

– Metacrawler • http://www.metacrawler.com/index.html

– OAIster - http://www.oaister.org/

• Why Use Meta Search Engines?

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Why Use Meta Search Engines• Meta Search Engines search multiple sets of

individual search engines and web directories simultaneously.

• They provide a quick way for finding out which search engines are retrieving the best results for a search.

• They usually return a list drawn from the top of search engine lists, the results tend to be more relevant.

• Use a meta Search Engine for:– Locating information quickly on a simple topic– Locate a persons’s

• Sample: Search- MetaCrawler for information about DR.Kitua

• Search for TDR on Metacrawler.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Invisible Web or Deep Web

• What is the Invisible Web?– http://library.rider.edu/scholarly/rlackie/Invis

ible/Inv_Web.html– http://www.lib.berkeley.edu/TeachingLib/G

uides/Internet/InvisibleWeb.html

• Invisible Web Directories– http://www.invisible-web.net/– http://infomine.ucr.edu/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Web Search Techniques

• Searching– Which Tools?

• Types of Searches– Browsing– Keyword Searching– Full Text Searching

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Boolean Searching

• Full Boolean Searching

• Predetermined language in a user fill-in template.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Full Boolean Searching

• Use Logic Operators– AND– OR– NOT

• Relevancy Ranking

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

AND Operator

• Query- Information on Malaria AND Parasite

Malaria Parasite

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

OR Operator

• Query- Malaria OR Parasite

Malaria Parasite

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

NOT Operator

• Parasite NOT Malaria

ParasiteMalaria

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Advanced Searching Techniques -Tips

• Truncation

• Proximity Searching– Phrase searching– Near operator.

• Case sensitivity

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

More Search Techniques

• Field Specific Searching– Title– Date– URL

• Language Restrictions

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Evaluating Web Information

• Criteria for Evaluation• Accuracy• Authority• Currency• Coverage• Objectivity

• Criteria for evaluating Health Information– http://www.nlm.nih.gov/medlineplus/evaluatinghe

althinformation.html

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Free Internet Resources

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Sources for Full Text

• Directory of Open Access Journals - http://www.doaj.org/

• Health Internetwork – http://www.healthinternetwork.org

• Institutional Archives e.g. http://archives.eprints.org/

• BioLine International - http://www.bioline.org.br/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Health Information on the Internet

• Directories– http://dir.yahoo.com/Health/Medicine/

Subject Directories– Health Directories

• Databases - http://omni.ac.uk/– Health

• Electronic Journals

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Searching within the NLM website

This is the National Library of Medicine (NLM) database. You can search the site from the Search Box.

http://www.nlm.nih.gov/hinfo.html

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

HireWire Press free article database

This the HireWire Press free article database. Users have access to over 740,000 full text articles.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Journals

• http://www.pubmedcentral.gov/• 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

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

FreeMedicalJournals.com

FreeMedicalJournals.com lists journals sites that make their content free to all users. Journals are listed by A-Z, speciality, and language.

http://www.freemedicaljournals.com/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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.

http://www.biomedcentral.com/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

PubMed Central

PubMed Central is a free archive of articles that have been deposited in this free repository.

http://www.pubmedcentral.gov/

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Fee-Based Internet Resources

• Reference Titles

• Periodical Indexes

• Electronic Journals

• Electronic Text Books

• Online Databases

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Managing Internet Resources

• Bookmarks– What is a Bookmark?

• Netscape

• Favorites• Internet Explorer

• Offline Activity

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Adding favorites 1

To add a page to Favorites click on the link on the Tool bar.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Adding favorites 2

You can now give your new Favorite a name.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

Adding favorites 3

When you select favorites from the tool bar you can see that your page has been added to the list.

NC

BI/W

HO

Pu

bM

ed

/Hin

ari

Cou

rse

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.