Standard Search Engines
Crawler based |
crawls Web pages to build lists of words that are then indexed and stored into a searchable database |
Examples |
Google, Bing, Yandex |
Purpose of a search engine
For the same reason you need a card catalogue in a library, people use a search engine when browsing the Web. There is a lot of great and useful information but when it is not physically possible to examine all sources personally, a search engine assists the resesarcher in sifting through the near endless and constantly changing information on the Web. |
Search Engine Features
Refinement support |
ability to use Boolean, Phrase, and Field searching |
Wild Card (Truncation) suport |
ability to subsitute part of a word or a whole word with the " * " |
Stemming support |
ability to find variants of terms such as, tense, plural & singular form |
Size of database |
how large the search engine's database is |
feel and *look |
uncluttered and easy to use interface |
These are only a few features of search engines.
Customization
Search Filters |
filter out inappropirate content |
Number of results |
how many dispayed per page (SERP) |
Instant search |
predications while you type |
Where results open |
new tab? same tab? new window? |
Language |
ability to translate |
Your search engine may have many other customization options, however, these seem to be standard among the majority.
Math Calculation/Conversion support
+ |
addition, 978+456 |
- |
subtraction, 978-456 |
* |
multiplication, 978*456 |
/ |
division, 978/456 |
convert |
convert 2 miles to inches |
^ |
raise to a power of, 237^3 |
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Phrase your query
Check your keywords |
put more important terms in the begining |
Forget about case |
use all lower case (excluding Boolean operators) |
Avoid stop words |
common stop words include: a, are, as, be, for, has, that, will, was, to, is, it... |
Use refinements alone or in combination with others |
Boolean operators, Phrase searching, Field searching |
Advanced Search Features
term1 AND term2 |
returns results that include both query terms |
term1 OR term2 |
returns results that include either of two query terms |
+ term |
results must INCLUDE the term |
- term |
results must EXCLUDE the term |
" this is a phrase " |
returns results that include the exact phrase |
inurl: term |
returns results that include the term in the Web page URL |
filetype: document extension (pdf, doc) |
returns results that are only the specified document type |
Instant Answers
Get a map |
map portland or |
Get local weather forcast |
weather 71115 |
Define a term |
define onamonapia |
Get movie showtimes |
showtimes 71111 |
Find area gas prices |
gas 71047 |
Learn sports scores |
packers scores |
See current market data for a given company or fund |
enter stock ticker, e.g. goog (for Google) |
See he time in many cities around the world |
time london |
Find precise times of sunrises and sunsets |
sunrise new york |
Not all search engines support instant answers or the same ones.
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MetaSearch Engines
Search tool |
sends user request to other search engines then displays the results in a single list |
Examples |
DogPile, MetaCrawler, Mamma |
Sites to explore
SearchEngineWatch.com |
provides tips and information about searching the web and analysis of the search engine industry |
MalekTips.com |
search engine syntax, advanced search engine features, filtering results |
TheFilterBubble.com |
website and blog about filter bubbling, what search engines are hiding from you |
SearchEngineColossus.com |
international directory of search engines across 314 countries, since 1998 |
SearchEngineLand.com |
news and information site covering search engine marketing, searching issues and the search engine industry |
LinkedIn.com |
connect with industry professionals to learn about and discuss topics |
DeeperNet
Facebook |
Facebook.com/DeeperNet |
Twitter |
@deepernetorg |
Our Site |
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NEW LinkedIn group |
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DeeperNet classes at LSUS-CE
Advanced Power Searching with Google |
Gain a deep understanding of complex Google searches to become better at Internet Research. |
Internet Research Optimization |
Focus on strategies of online research to effectively and economically access specific information from the Web. |
Register for classes at ce.lsus.edu
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thanks! been looking for a sheet like this.
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