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University of Nizwa. Information overload. Are we suffering from information overload Yes, Where do I begin to look? Why, When, and how to use different type of sources and how to select the best sources for our needs

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university of nizwa
University of Nizwa

Information and knowledge provider

information overload
Information overload

Are we suffering from information overload

Yes, Where do I begin to look?


When, and

how to use different type of sources and

how to select the best sources for our needs

Finding, evaluating, and using information and information resources effectively

more information
More information
  • Newspapers provide current events

international, national and local events,

editorials, commentaries, and opinions

  • On Web- information about organizations, companies current information,

public corporations

Government - federal to local

expert and popular opinions, finding quick facts

starting with the web
Starting with the Web

Is every thing on the internet?

  • Not a review process
  • Not free
  • Not organized
  • Not comprehensive
  • Not permanent
you be the judge
You be the Judge!

Look at the Websites.

Evaluate them keeping in mind accuracy and objectivity, author's credentials, and currency of the site.

judging what you find
Judging what you find
  • Judge for yourself
  • Accuracy: Does the information presented seem accurate? Are the facts verifiable?
  • Authority: Who is the author? What expertise does he or she have on this topic?
  • Objectivity: What is the stated purpose? What opinion is presented
  • Currency: On what date was the page created? Is it current information?
  • Use: Would you quote information from this site in a college research paper?
better place than the public web
Better place than the public Web
  • Stop and think!
  • Find books on your topic, etc
  • Search databases that index articles
  • Find articles in scholarly journals
starting with the library
Starting with the Library
  • Librarians select:
      • Library resources go through a review process.
      • Library resources are free for our community
      • Reliable
      • Historically relevant
      • valuable
      • organized
      • kept permanently and
      • personal assistance
where are online ref resources
Where are Online Ref Resources

Online Reference Tools

types of databases
Types of Databases
  • The two types of databases are:
      • library catalog and
      • article indexes.
  • Library catalogs organize
      • Print and
      • Electronic resources, such as databases, article indexes, electronic journals, electronic books, digital collections and audio visual
use controlled vocabulary
Use controlled vocabulary


  • Exclude stop words (noise words):

an, and, by, for, from, of, the, to, with

Most specific concept first

  • Use dictionaries, thesaurus and list of Subject Headings to get idea for synonyms

Controlled vocabulary: subject headings, descriptors, index terms

  • Evaluate , refine search
  • Use alternative terms: immunization instead of vaccines
  • Examples:

(Ι) Teachers, instructors, educators, tutors, docents, professors, lecturers

(ΙΙ) Cancer, tumor, neoplasm

information retrieval systems techniques
Information Retrieval Systems/Techniques

Truncation & Wildcards

  • Example: Environ* will search- environment, environments, environmental.
  • Example: wom?n will search - women or woman. 

Boolean- AND, OR and NOT determine logical relationships between terms

choose a topic
Choose a topic

Assignment: “Side effects of Chemotherapy in Lung cancer”

  • Start with a broad topic, for example, Cancer.
  • The topic is too broad.
  • If you have trouble coming up with a topic or its keywords:
  • Check a subject encyclopedia
  • Thesaurus
  • Medical dictionary
  • MeSH
  • LCSH
narrowing a topic
Narrowing a topic

You could narrow the topic of Cancer even more by adding a sub-topic. Cancer

lung cancer


(Chemotherapy in lung cancer)

Side effects

(Side effects of chemotherapy in lung cancer)

It is helpful to write out your topic as a sentence or a question. Let's say the question that most interests you is:

What are the Side effects of chemotherapy in lung cancer ?

search terms
Search terms

Most important first


Hands on practice:

  • Side effects of Chemotherapy in lung cancer
  • Side effects of radiotherapy in lung cancer
  • Side effects of chemotherapy along with radiotherapy in lung cancer

4 3 2 1

tips for avoiding plagiarism
Tips for Avoiding Plagiarism
  • Use your own ideas
  • Use the ideas of others cautiously-only to support
  • When taking notes, include complete citation information for each item
  • Use quotation marks when directly stating another person's words.
commonly used writing style guides
Commonly Used Writing Style Guides
  • The Publication Manual of the American Psychological Association (APA)
  • MLA Handbook for Writers of Research PapersThe MLA (Modern Language Association)
  • A Manual for Writers of Term Papers, Theses, and Dissertations
Library staff participated in Orientation Program

BaderAl-Busaidi: Reference Librarian

Mohammed Al-Darmaki: Serials Librarian

Amina AL-Hattali: Library Coordinator

Ruqaiya Al-Farsi: Library System Officer

Zaina AL-Hakmani: Madia Librarian

Nasira Al-Tobi: Cataloger

contact information

Bader Al-Busaidi

Ext: 322

Zaina AL-Hakmani

Ext: 422