This document provides information about internet use and finding information online. It discusses the growth of internet hosts from 1977 to 2022. It also summarizes different ways to search for information online including search engines, subject directories, the invisible web, meta-search engines, and specialized search engines. The document gives examples of specific search tools and services and provides tips on how to effectively search for information on the internet through simple and advanced search techniques.

1. Internet Use

2. What is the Internet?
The largest network of networks in the
world.

3. Internet Growth Trends
• 1977: 111 hosts on Internet
• 1981: 213 hosts
• 1983: 562 hosts
• 1984: 1,000 hosts
• 1986: 5,000 hosts
• 1987: 10,000 hosts
• 1989: 100,000 hosts
• 1992: 1,000,000 hosts
• 2001: 150 – 175 million hosts
• 2002: over 200 million hosts
• 2022: about 69% of the planet on the Internet

4. Statistics
The Emerging Digital Economy
• To get a market of 50 Million People Participating:
• Radio took 38 years
• TV took 13 years
• Once it was open to the General Public, The Internet
made to the 50 million person audience mark in just 4
years!!!
• http://www.ecommerce.gov/emerging.htm
– Released on April 15, 1998

5. What are the ways to find information on the Internet?
• Net surfing –involves scanning pages and clicking on
links randomly
• Using an URL – quickest way to find information on
the Internet but you must know where it is located
• Use search tools and services – can assist you in
locating the information you need among the vast
amount of information available on the Net

6. What are the Internet search tools and
services?
• Search engines
• Subject directories
• Invisible Web
• Meta-search engines
• Specialized search engines
• Other search tools

7. Search engines
• Websites that uses “bots” or “spiders” that
periodically search the World Wide Web and
automatically index and store the information in
their database
• Examples
– Google - http://www.google.com
– Alltheweb - http://www.alltheweb.com
– Altavista - http://www.altavista.com
What are the Internet search tools and services?

8. Subject directories
• Listings and directories of web page files that
have been assembled manually, selected and
evaluated by humans
• Examples
– Yahoo - http://www.yahoo.com
– Librarian’s Index – http://www.lii.org
– LookSmart - http://www.looksmart.com
What are the Internet search tools and services?

9. Invisible Web
• Web pages that cannot be ordinarily reached
through search engines or subject directories
• Examples
– Langenberg – http://www.langenberg.com
– Complete Planet - http://www.completeplanet.com
– Direct Search -
http://gwis2.circ.gwu.edu/~gprice/direct.htm
What are the Internet search tools and services?

10. Meta-search engines
• Send your search query to several search
engines simultaneously and give you a
consolidated report of their findings
• Examples
– Metacrawler – http://www.metacrawler.com
– Dogpile – http://www.dogpile.com
– ProFusion – http://www.profusion.com
What are the Internet search tools and services?

11. Specialized search engines
• Search engines dedicated to indexing web
pages on specific topics
• Examples
– Locate mailing lists and newsgroups
• The Lizt – http://www.liszt.com
• Mailbase – http://www.mailbase.ac.uk
• Pubmed-http://pubmed.com
• Google groups - http://groups.google.com/
What are the Internet search tools and services?

12. • Generally there are two ways of using
search tools and services
–Browsing – usually applied to directories
where subjects are arranged hierarchically
–Keywords search – search box is provided
for entering keywords to search the database
• Simple search – search on the keywords
• Advanced search – search can be refined using
various techniques
How to use the Internet tools and services?

13. • Browsing subject directories
From the home page you start with a broad
subject area and follow the links to more
specific areas until you reach the subject
you wish to explore, then you click on one
of the displayed results to go to the selected
page (document)
How to use the Internet tools and services?

14. • Simple keywords search
• Type keywords on the search box , press
Enter on the keyboard and then select
from the results
How to use the Internet tools and services?

16. • Advanced search
• Most search engines allow you to refine
your search
How to use the Internet tools and services?

18. • Pick your site
• Learn to use the
search tools
• Choose your words
carefully
• Vary your spelling
• Know how to widen
your search
• Know how to use the
refining techniques
• Use multiple search
engines
• Use meta-search
engines
• Use specialized search
engines
• Reuse your search
How to findinformation on the Internet?
Simple Search Strategy

19. Tips in finding information on the Internet
• Read the help screens and search tips
• Utilize two or more search tools
• Use any advanced features of the search
engine
• Use services which index quality sites
• Evaluate the results
• Download the information
• Cite your source properly
Howto find information on the Internet?

20. Limit your keyword search
• It is a good idea to
read the directions
for each search
engine to get the
most out of your
search.
• Use words like
AND and OR to
limit your search
and get more
specified
information.

21. Identify the Web Site
• Assess the authorship,
content, and purpose of the
web site.
• This is important because
– Many web sources are not
checked for accuracy.
– Some personal sites are used
to express individual
opinions about issues, but not
necessarily the facts.

22. Identify the Web Site
• Sometimes the actual purpose of the web site
may not be clearly articulated.
• Can be difficult to separate advertising from
accurate information.
• Some marketing sites will offer misleading
information in attempts to sell their products.

23. Collections of Data
• Link to free online sites
• All links selected and reviewed by library
science graduate students
• Sites indexed and abstracted
• Subject collections as well as special
features and exhibits

24. • The Internet (and World Wide Web) was have
today was created by some very bright,
talented people who either had vision, or
were inspired by other talented people’s
visions.
• Though their ideas were not always popular,
they pressed ahead.
• Their perseverance and hard work brought us
to where we are today.
• There is a lot to be learned by studying these
people, their early work and keeping in mind
what they had to work with.
• Today, we owe a great deal for the wired
world we enjoy, to the hard work of these
people.

25. Using Library

26. • Students cannot acquire
knowledge only through
textbooks or classroom
lectures.
• They are referred to
other books also.
• The library is of great
help in the fulfillment of
their wishes, ambitions
and inclinations, as it
provides ample
opportunities for
acquiring knowledge.

27. Library Definition
• A place where books,
magazines, and other
materials (such as videos
and musical recordings)
are available for people to
use or borrow
• A room in a person's
house where books are
kept
• A collection of similar
things (such as books or
recordings)

28. Purpose of university library
• The purpose of university library is to create a
learning environment in which faculty and students
are provided with a variety of library resources and
ultimately, become competent users.

29. Purpose of university library
• Administrators as well as the library need to
know whether faculty and students do make
use of the resources in the library and whether
the use of these resources genuinely help
students with their assignments and faculty
with their teaching and research
responsibilities.
• Finally, they need to identify the factors that
affect this use.

30. Using Library
• Identify and Develop Your Topic
• Find the Context
• Find Books
• Find Articles in Journals, News Sources,
Magazines
• Find Video and Sound Recordings
• Evaluate What You Find
• Cite What You Find

31. Identify Topic
• If you haven't picked a topic yet,
scroll down to the next box--
Suggestions for Finding a Topic.
• State your topic idea as a question.
• Identify the main concepts or
keywords in your question.

32. Find the Context
• The most common background sources
are subject encyclopedias and
dictionaries from our print and online
reference collection.
• Class textbooks also provide definitions
of terms and background information.

33. How students use their libraries
• Students behavior in a library
affected by
–Student demographics
–Academic requirements
–Work habits
–Disciplinary affiliations

34. Factors of less use of library
• Lack of books
• Lack of organizational set up
• Lack of space and other physical
facilities

35. Thank You