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To become a web Jedi master, you need to become facile with at least one search engine... so facile that doing an effective search becomes completely automatic. This state will come fairly quickly as long as you practice frequently. The first step is to bookmark and become familiar with the interface and help pages associated with each search engine you use. The most comprehensive engine out there at the moment seems to be AltaVista. Most people use a search engine by simply typing a few words into the query box and then scrolling through whatever comes up. Sometimes their choice of words ends up narrowing the search unduly and causing them not to find what they're looking for. More often the end result of the search is a haystack of off-target web pages that must be combed through. You can become a better searcher by simply mastering 7 tricks in AltaVista. To help you remember them, think of a sentence so goofy you'll never get it out of your mind: |
My
plump starfish quickly lowered Lincoln's tie.
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What does
it all mean? You'll know when you've completed the exercise
that follows. You can
access the AltaVista simple
search
here, and there is a simple
search help
page that you should look over now, before we start.
Bookmark both of them so that you can get back to them at
any point. Print this
page out and record the number of matches you find
for each search so that when you review you can see the
patterns of widening and narrowing your search. Look for
something like this and record the number of hits you get
for each search. Simple
Search Practice
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Include and
Exclude (+ and -)
My
plump
The
first two basic tools to practice with the simple search are
the use of + and - to include or exclude words. For example,
if you wanted to find sites about backgammon tournaments,
you'd type both words into the query box. However...
this would find you sites that mentioned backgammon OR
tournament. You want to find sites that use BOTH terms, so
by putting a +before each term you force them to be included
in all sites found. Note:
There's no space between the + and the word, but
there is
a space between
words. E.g.:
+backgammon <space> +tournament Try it
now, and record how many sites you find. Notice
also that the ad at the bottom of the screen changes in
response to your query. That's who's paying for this
terrific service! Try
another. Suppose you wanted to find sites about the lost
continent of Atlantis, not the shuttle Atlantis and not the
movie of the same name. Try each query listed to the
right: As you do
each search, take note of what kinds of things turn up.
Notice that the more specific the terms you include and
exclude, the more focused your search. backgammon
tournament ~500,000 +backgammon
+tournament +Atlantis +Atlantis
-shuttle +Atlantis
-shuttle +continent +Atlantis
-shuttle +continent -film -movie
Starfish
A
common mistake people make is to inadvertantly narrow their
search too much by excluding variations on a word they're
looking for. For example, if you typed in +mushrooms, you'd
miss all those pages that just had the singular word
mushroom on them. The *
wildcard stands for any letter(s). The wildcard is also
useful for catching other variations on a word such as
different forms of a verb. In
general, never search for the plural of a word. Use the
wildcard and get both the singular and plural
forms. +mushrooms +mushroom* +surf* +surf*
-surface*
Use the Wildcard (*)
Quickly
If you type a sequence of words in as a query, AltaVista
will look for documents that contain any of those words. If
you want the words to hang together as a phrase, you should
put double quotes around them. Try
these: AltaVista
recently added a phrase-guessing element to its algorithms.
If you type a few words in, and those words are commonly
found hanging together in its index, it will assume that
you're searching for them as a phrase even if you don't put
quotes around them. If you're looking for a phrase that is
not common, though, you'll need the quotes. +San
Diego +"San
Diego" merits of
laziness "merits of
laziness"
Use "Quotes" to Look for a Phrase
Lowered
AltaVista
pays attention to any capital letters you type into a query.
If you search for Octopus, it will only find documents in
which it's spelled that way. In general, unless you're
after a particular spelling, use all lower
case. Try
these: +Octopus +octopus +WebQuest +webquest +webquest*
use lower case (usually)
Lincoln's
Suppose
you found the absolutely perfect page about Beanie Babies,
and it's located at http://www.beaniebabes.com
(note the spelling). It might be useful to look at other
pages that were interested enough in Beanie Babies to have
included a link to that page. If you put
all or part of the URL of the page after "link:", you'll get
a list of pages that are linked to the one you found
useful. It's
important that you don't capitalize "link:" link:www.beaniebabes.com Link:www.beaniebabes.com link:edweb.sdsu.edu/webquest/webquest.html Try these
and see how many other pages are linked to the Beanie page
and to the WebQuest Page. (In fact, as soon as Altavista
indexes the page you're reading now, you should see it among
the Beanie links as well. That normally takes a few
weeks.) Tie
A
simple search will find a word anywhere on the web page. To
locate pages that are primarily about one thing, look for
pages that have that thing in their title. The result is
much more tightly focused. Note:
There can be a space between title: and the next word or
not. It doesn't seem to matter. As with
link:,
don't capitalize title: Try
these: frog* title:frog* webquest title:webquest Title:webquest My plump starfish lowered Lincoln's tie. minus plus star lower
case link: title: If you can
keep these seven words in mind, you'll be a much better
searcher than you were a few minutes ago! And to add
to your bag of tricks, you might also want to check out the
Specialized
Search Engines
page.
Use the link:
Tag to Find Pages Linked to Another Page
Use the title:
Tag to Focus Your Search
So, to
recap... remembering this sentence will help you to remember
the seven techniques you just experimented with:
http://projects.edtech.sandi.net/staffdev/tpss99/searching/sevensteps.html
Written
by Bernie
Dodge.
Lincoln animation by Alex
Dodge.
Last updated July 8, 1999