Topic 1 Introduction to Internet Resources
Categories Subjects Purpose Search Facilities Search Strategy
Using Meta search engines
- Limitations
- May not include the best search engines
- Unstable
- Inconsistent
- Limited to keyword search
- Different features
Constructing Searches
- Use Boolean operators
- Use AND when there are too many results - (+), must include,
all the words, must contain
- Use OR when there are too few results any of the
words, some of the words
Use AND NOT when excluding undesirable words and to make
it more specific NOT, (-), BUT NOT, without the words,
must not contain, must not include
- Use search filters
Proximity operators
- Proximity operators limit the distance between the specific
words
- NEAR/
- NEAR/3 both words must appear within 3 words but
in any order
- W/
- W/2 in the order typed and words must appear within
2 words
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