20209921
Description
Mind Map by Lucy Corlett, updated more than 1 year ago
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Created by Lucy Corlett
about 5 years ago
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Search Engines
- How do they work?
- Spider program
- A spider program is an algorithm that a search engine uses to
find results that might be useful later. It finds a website and
visits any hyperlinks (links to another website) and then
follows the hyperlinks from that site and so on until it has
visited every website. Ths is why it doesn't take hours to load
search results: the computer already has them saved!
- A spider program is an algorithm that a search engine uses to
find results that might be useful later. It finds a website and
visits any hyperlinks (links to another website) and then
follows the hyperlinks from that site and so on until it has
visited every website. Ths is why it doesn't take hours to load
search results: the computer already has them saved!
- AI
- Computers infer what you mean by using AI programming. For instance, if
you searched for Travel To Mars, it would automatically get rid of anything to
do with the Roman god Mars using information from the other words in your
search.
- Computers infer what you mean by using AI programming. For instance, if
you searched for Travel To Mars, it would automatically get rid of anything to
do with the Roman god Mars using information from the other words in your
search.
- Filter search
- Search engines look for keywords in the title of the website or the actual content of
the website. This is how search engines decide what to put at the top of the page and
what to put further down.
- Search engines look for keywords in the title of the website or the actual content of
the website. This is how search engines decide what to put at the top of the page and
what to put further down.
- Spider program
- How to narrow a search
- File type
- To narrow your results, add a file
type-like pdf-into your search to limit the
results to that type of file
- To narrow your results, add a file
type-like pdf-into your search to limit the
results to that type of file
- Key words
- Only use necessary words in your search. For example, instead of
typing "the very best toys for children aged 5", search for "top toys
5-year-olds"
- Only use necessary words in your search. For example, instead of
typing "the very best toys for children aged 5", search for "top toys
5-year-olds"
- Search settings
- Use search settings to narrow your results even further. You can say specific words
that have to be included in the website, a range of numbers that have to be
included, words that can't be included and many more.
- Use search settings to narrow your results even further. You can say specific words
that have to be included in the website, a range of numbers that have to be
included, words that can't be included and many more.
- Updates
- You can set a search to have results that have been last updated within a
certain range of time like the last five years or the last moth, or something
even more specific.
- You can set a search to have results that have been last updated within a
certain range of time like the last five years or the last moth, or something
even more specific.
- Language
- You can set search settings to only show results in a
particular language, like French or Italian.
- You can set search settings to only show results in a
particular language, like French or Italian.
- Geographical region
- You can usually add "near me" in a search to find things close to your
location, or you could add a postcode or address.
- You can usually add "near me" in a search to find things close to your
location, or you could add a postcode or address.
- File type
- Search engines bring up information almost
instantly. They are very useful in this way.
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