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Advanced Techniques for Web Searching

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Title: Advanced Techniques for Web Searching


1
Advanced Techniques for Web Searching
  • Kristen Mastel
  • 612-626-9843
  • meye0539_at_umn.edu
  • MINITEX Reference Services
  • mtxref_at_umn.edu
  • 800-462-5348
  • ELM is brought to you by your local library or
    school media center, the MINITEX Library
    Information Network, and State Library Services
    (the Minnesota State Library Agency) with state
    appropriations to the Minnesota Office of Higher
    Education and the Minnesota Department of
    Education and federal LSTA funds under the
    support of the Institute of Museum and Library
    Services.

2
Objectives
  • Databases
  • Overlap
  • Search Switching
  • Spread
  • Advanced Features
  • Phrase/Proximity/Boolean
  • Truncation, Date Searching
  • Field Link Searching

3
Overlap
  • Between the majors?
  • Good for
  • Organization home pages
  • Major pages, frequently visited sites
  • Not so good for
  • Pages buried deep within sites
  • Forum, social network pages
  • www.Searchengineshowdown.com/blog/overlap/

4
Example
  • Phrase search for a name
  • Ask results 235
  • Live results 118
  • Yahoo! Results 915
  • Google Results 543

5
Search Switching
  • Between vendors
  • Search box
  • Search services
  • Bookmarklets
  • Within one system
  • Tabs
  • More
  • Betas

6
Between Vendors
  • Web
  • TurboScout www.turboscout.com
  • Intelways www.intelways.com
  • Zuula www.zuula.com
  • Trovando www.trovando.it
  • Bookmarkets www.searchengineshowdown.com/bmlets/
  • Geo Searching
  • Flash Earth www.flashearth.com
  • Book Searching
  • Booksearchx3 www.kokogiak.com/booksearch

7
Switching within
  • Use tabs
  • Look under more

8
Advanced Features
  • Phrase/Proximity/Boolean
  • Truncation,
  • Date Searching
  • Field Link Searching
  • Google URL Tricks

9
Phrase Searching
  • Still most powerful advanced command
  • Can combine with single terms
  • use quotes to find phrases of multiple words
  • Over quote warning
  • nace salary survey fall 2007

10
Boolean Basics
  • Default operator AND
  • Add more words for fewer results
  • Use for NOT, with no space
  • Search research
  • UPPERCASE operators AND, OR, NOT
  • Full, nested Boolean at
  • Yahoo!, Live, Gigablast, Exalead

11
Trunc/Word Variants
  • Truncation only at Exalead with
  • At the end of a term only
  • Minimum three characters first
  • Stemming (grammatical variants)
  • Often automatic at Google
  • Varies over time
  • Use to turn off, maybe

12
Extra Truncation Tricks
  • OR most common forms of term
  • Exalead Advanced Offers
  • Phonetic Search
  • Approximate Spelling

13
OR Options
  • OR almost everywhere
  • Can use for OR at Google, Live
  • At Google for synonyms
  • Doesnt work with all words

14
Plus Functionality
  • In most cases, has no functionality
  • No longer use as an AND
  • Other functions
  • Include stop words not in phrases
  • Turn off stemming

15
Best Use of Boolean
  • Use well and sparingly
  • Often best when combined with
  • Field Searches

16
Proximity
  • Basic Phrase Searching
  • NEAR at Exalead 16 word proximity
  • NEAR/5 for 5 words (can use any number)

17
Wild Card Word in Phrase
  • Available only at Google and Yahoo!
  • Use for the unknown word in a phrase
  • search well wise
  • Can use several (Google only)
  • search well wise)
  • Inconsistent

18
Date Searching
  • Google change to date 1st seen
  • Or last changed
  • Google advanced search
  • More choices
  • Still inaccurate

19
Field Searching
  • HTML Title intitleword
  • Domain name Siteedu or sitetax.gov
  • Part of URL inurlfindme
  • Google File type filetypeppt
  • Yahoo! File type originurlextension ppt

20
Link Searching
  • Google Partial results only
  • Live Used to work well
  • Link , linkdomain inurl
  • Yahoo best bet!
  • Linkhttp//www.saintpaulnagasaki.org
    -sitehttp//www.saintpaulnagasaki.org

21
In Google Results URL
  • Change as_qdr
  • dnumber past number of days
  • wnumber past number of weeks
  • ynumber past number of years
  • as_qdry3
  • For the past 3 years

22
More Google URL Tricks
  • Add filter0 to turn off clustering
  • Change num100 to see more results
  • Add pws0 to turn off personalization
  • Image searching
  • Add imgtypeface to limit to faces
  • Add imgtypenews for news photos

23
Google Alerts
  • Create an alert on search strategies or Google
    tips, ticks or hacks

24
Wikia
  • http//alpha.search.wikia.com/
  • Live January7
  • Wikipedia founder Jimmy Wales
  • Open source search engine
  • results poor and thin
  • Mini articles i.e. Google

25
Search Engine review
26
Thank you for attending this session!
  • Questions/ Comments?

27
Credits
  • Greg Notess
  • Web searching Advanced Techniques for Google and
    Beyond (SLA webinar)
  • Teaching Web Search Skills Techniques and
    Strategies of Top Trainers

28
Readings of Interest
  • Search Engine Showdown www.searchengineshowdown.
    com
  • Information behaviour of the researcher of the
    future
  • Google generation is a myth
  • http//www.jisc.ac.uk/media/documents/programmes/r
    eppres/gg_final_keynote_11012008.pdf
  • Search for Google Search Secrets
  • http//blogoscoped.com/archive/2006-08-11-n67.html
  • Top 10 Obscure Google Search Tricks
  • http//lifehacker.com/339474/top-10-obscure-google
    -search-tricks
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