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Prepared for InterLab 99

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HotBot. Go/Infoseek. Excite. AltaVista. Northern Light. Search engines ... My favorites are Yahoo, HotBot, and. Go/ Infoseek. Handout. For more information ... – PowerPoint PPT presentation

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Title: Prepared for InterLab 99


1
Web Searching 101 Search Tools, Strategies, and
Tips
  • Prepared for InterLab 99
  • Marsha Luevane and Joe Chervenak
  • National Renewable Energy Laboratory
  • NREL/PR-27533

2
Background
  • Users in our organizations are becoming more
    dependent on the Web to do their jobs
  • They are frustrated
  • They need to be trained to use the Web
  • Basic browser use
  • Finding information

3
Training approach
  • Browser
  • Experimented with study hall sessions
  • Finding information
  • Developed search training
  • 1.5 hour session
  • Includes lecture and on-line demos

4
Why we offer search training
  • Users dont take the time to teach themselves
  • Users cant tell the difference between a subject
    directory and a search engine
  • Users cant keep up with the changes

5
Benefits
  • Leverage Web Team investment/expertise in search
    tools
  • Makes Web Team part of the solution
  • Clients
  • Users
  • Cost-effective approach

6
Web Searching 101 Search Tools, Strategies, and
Tips
  • Marsha Luevane
  • marsha_luevane_at_nrel.gov
  • National Renewable Energy Laboratory
  • Fall 1999

7
Search tools
  • Why we need them
  • Web sprawl
  • Web is unorganized
  • Lack of keyword lists and controlled vocabulary
  • Browsing the entire Web is impossible

8
Search tools (cont.)
  • Hundreds of search tools
  • Major search tools are big business
  • Major search tools are among the most visited
    sites on the Web
  • Two types of search tools
  • Subject directories
  • Search engines

9
Subject directories (cont.)
  • Features
  • Listings of Web sites
  • Organized by subject
  • Include brief site descriptions
  • Compiled and maintained by humans

10
Subject directories
  • Major subject directories
  • Yahoo
  • LookSmart
  • Snap
  • Lycos
  • Open Directory Project

11
Subject directories (cont.)
  • Use to find
  • Specific Web sites (home pages)
  • Information on broad, general topics
  • Astronomy, health, cities
  • Reference tools
  • Dictionaries, encyclopedias, thesauri
  • Products and services
  • Bookstores, software, companies

12
Subject directories (cont.)
  • Strengths
  • Selective
  • Smaller and less overwhelming than search
    engines
  • Browsable due to hierarchical structure
  • Searchable

13
Subject directories (cont.)
  • Weaknesses
  • Searches are limited to words in subject
    categories, site names, and site descriptions
  • Do not index the content of Web sites and pages
  • Cover a small portion of Web
  • Strive to be portals add-ons are distracting

14
Search engines (cont.)
  • Features
  • Huge collections of Web pages
  • Index the content of Web pages (words on pages)
  • Compiled and maintained by computers
  • Vary in search algorithms, size, coverage,
    currency, ranking methods, search features

15
Search engines
  • Major search engines
  • HotBot
  • Go/Infoseek
  • Excite
  • AltaVista
  • Northern Light

16
Search engines (cont.)
  • Use to find
  • Narrow, specific information
  • vertical axis wind turbines
  • Specific Web sites and pages
  • Alliance to Save Energy consumer information
  • Specific pieces of information
  • population of Denver
  • Exhaustive information on topics
  • amorphous silicon

17
Search engines (cont.)
  • Strengths
  • Drill down into content of Web sites
  • Index Web pages
  • Cover a greater portion of the Web than subject
    directories
  • Searchable
  • Many have browsable subject directories

18
Search engines (cont.)
  • Weaknesses
  • Not selective
  • Have huge collections but dont index entire Web
  • Results can be overwhelming
  • Change constantly (not always for the better)

19
Search engines (cont.)
  • Weaknesses (cont.)
  • Have quirks and bad days
  • Do not index PDFs, most databases, Intranets,
    sites that require payment or passwords
  • Strive to be portals add-ons are distracting

20
Rest of Training...
  • Search strategies
  • Search results
  • Dealing with zero or few results
  • Dealing with a gazillion hits
  • Dealing with irrelevant results

21
Search strategies
  • Examples

22
Tips for searching success
  • Learn a few search tools well
  • Spot changes or new features
  • Recognize quirks and bad days
  • http//www.thesource.nrel.gov
  • Use other search tools frequently
  • Read the help sections
  • Watch for special groupings of results
  • Use search tools for their primary purpose

23
Tips for searching success (cont.)
  • Use search tools directly and not via your
    browser or metasearch engines
  • Limit use of natural language queries, which are
    match any term searches
  • Explore advanced techniques
  • Use the find similar pages feature in search
    engines

24
Best search tools
  • Depends on what you are looking for
  • It is personal
  • My favorites are Yahoo, HotBot, and
  • Go/ Infoseek
  • Handout

25
For more information
  • Yahoo section on searching the Web
  • http//www.yahoo.com/Computers_and_Internet/ Inter
    net/World_Wide_Web/Searching_the_Web/
  • Help sections in the search tools

26
Future
  • Offer additional training
  • Advanced searching
  • Search tool strategies and tips for Web site
    managers
  • Training specific to our site search engine
    (Infoseek)
  • Meta tagging

27
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