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'''Information source''' may refer to:
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{{For|the use of information(reliable) sources on [[Wikipedia]]|WP:RS}}{{See also|Information source (mathematics)}}
An '''information source''' is a source of [[information]] for somebody, i.e. anything that might inform a person about something or provide knowledge about it. Different types of questions require different sources of information. Information sources may be observations, people, speeches, documents, pictures, organizations, websites, etc. They may be [[primary source]]s, [[secondary source]]s, [[tertiary source]]s and so on.
*[[Information source (mathematics)]], a kind of sequence of random variables
[[Empiricism]] regards sense data as the ultimate information sources, while other epistemologies have different any thing or place from which something comes, arises, or is obtained; origin: Which foods are sources of calcium?
*[[Source text]], a text (sometimes oral) from which information or ideas are derived
2.
* [[Guide to information sources]], a kind of "metabibliography". Ideally it is not just a listing of bibliographies, reference works and other source texts, but more like a textbook introducing users to the information sources in a given field (in general).
the beginning or place of origin of a stream or river.
* {{unichar|2139|Information source}}, a grapheme used to indicate the existence of an [[information sign|information board]] or to highlight other information in a manual
3.
a book, statement, person, etc., supplying
4.
the person or business making interest or dividend payments.
5.
a manufacturer or supplierviews (cf., [[source criticism]]).
{{disambiguation}}
==See also==
* [[Guide to information sources]]
[[Category:Library science]]
[[Category:Epistemology]]
[[Category:Sources]]
[[Category:Works about history]]
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