1. 1.01- Understand Internet search tools and methods.

2. How big is the World Wide Web?
No one really knows, but we do know that we rely upon search tools to help us find information on the Web.
1.01 Understand Internet search tools and methods.
Internet Search Tools

3. Two Categories of Search Tools
Search Engines
Individual search engine
Meta-search engine
Subject Directories
1.01 Understand Internet search tools and methods.
Internet Search Tools

4. Individual Search Engines
Individual search engines use computer programs called “spiders” to match key search words with the web pages that contain them.
Returns a large volume of results
Information is not filtered for validity, authenticity, or adult content
Results are returned in the form of links to sites that match terms used in the search
1.01 Understand Internet search tools and methods.
Internet Search Tools

5. Take a look at search engines
1.01 Understand Internet search tools and methods.
Internet Search Tools

6. 1.01 Understand Internet search tools and methods.
Meta-search Engines
Meta-search engines send requests for information to several search engines simultaneously and compile the results.
Duplicates are eliminated, thus yielding fewer results
Google Custom Search Engine allows the user to select which search engines will be used
1.01 Understand Internet search tools and methods.
Internet Search Tools

7. Take a look at meta-search engines
1.01 Understand Internet search tools and methods.
Internet Search Tools

8. 1.01 Understand Internet search tools and methods.
Subject Directories
Developed and maintained by humans to search broad subject categories and their descriptions.
More reliable than search engines
Provides broad categories of information that allows users to drill down and narrow search results
1.01 Understand Internet search tools and methods.
Internet Search Tools

9. Subject Directories (Continued)
Often used in research by government agencies, medical industries, and educational institutions
May be referred to as research database or searchable database
Results may include non-HTML formats, such as PowerPoints, PDF documents, script, and photographs
1.01 Understand Internet search tools and methods.
Internet Search Tools

10. Take a look at subject directories
Follow the web links
1.01 Understand Internet search tools and methods.
Internet Search Tools

11. What are Internet search methods?
Search methods are used by search tools to increase the effectiveness and efficiency of Internet searches.
Search methods:
Keyword
Field
Boolean
Miscellaneous
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

12. 1.01 Understand Internet search tools and methods.
Keyword Search
Keying a main idea, phrase, or concept (called a search string) in the search box with or without quotation marks.
Unique terms or phrases
Synonyms or word variations
“to be or not to be” will return results only of entire phrase
Use quotation marks to identify a phrase
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

13. 1.01 Understand Internet search tools and methods.
Field
Field – The search is conducted for a specific title, domain, URL, or host.
Useful for drilling down and focusing on specific content.
Allows the user to adjust the breadth and depth of a search.
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

14. 1.01 Understand Internet search tools and methods.
Boolean Logic
A method used to refine a search with the use of operators with keywords:
AND, OR
+ and – symbols
Place symbol immediately before keyword
Star Wars +I =Star Wars episode I
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

15. Search Methods – Boolean (continued)
Vacation Paris OR London
OR broadens a search by including results that match either of the words
Vacation Paris AND France
AND narrows a search by combining terms
Note: Boolean operators are often implied in a search and therefore not required by the user; however, sometimes they are very helpful in narrowing the search results.
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

16. Miscellaneous Search Methods
Different Language Support searches for words in different languages
Spell Checker gives suggestions if the word keyed for the search is spelled incorrectly
Phonebook uses phone numbers to search for locations and addresses
Math/equivalents solves basic math problems and converts equivalents
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

17. 1.01 Understand Internet search tools and methods.
Your time is valuable
Search engines have become an important part of the online experience of Internet users.
Learn to use advanced search features.
Get better results in less time.
1.01 Understand Internet search tools and methods.
1.01 Internet Search Methods

18. 1.01 Understand Internet search tools and methods.
The End
1.01 Understand Internet search tools and methods.
Internet Search Tools