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In the context of information retrieval, a thesaurus (plural: "thesauri") is a form of controlled vocabulary that seeks to dictate semantic manifestations of metadata in the indexing of content objects. A thesaurus serves to minimise semantic ambiguity by ensuring uniformity and consistency in the storage and retrieval of the manifestations of ...
See also References External links A advocacy journalism A type of journalism which deliberately adopts a non- objective viewpoint, usually committed to the endorsement of a particular social or political cause, policy, campaign, organization, demographic, or individual. alternative journalism A type of journalism practiced in alternative media, typically by open, participatory, non ...
In writing a narrative of the political turmoil surrounding the 2000 U.S. presidential election, a researcher will likely tap newspaper reports of that time for factual information on the events. The researcher will use these reports as primary sources because they offer direct or firsthand evidence of the events, as they first took place". [5]
Some people believe it is unethical for a source to give information off the record. Even if writers cannot report certain information directly, they can use "off the record" information to uncover related facts, or to find other sources who are willing to speak on the record. This is especially useful in investigative journalism.
A primary source is a document or person providing direct evidence of a certain state of affairs; in other words, a source very close to the situation you are writing about. The term most often refers to a document produced by a participant in an event or an observer of that event.
The following list is meant to help you with your own research, by offering links to respectable information sources on the web, available free of charge.Inclusion on the list doesn't automatically mean the absolute truth is on these websites, so always be critical and compare information between different sources.
This wall painting found in the Roman city of Pompeii is an example of a primary source about people in Pompeii in Roman times (portrait of Terentius Neo).. In the study of history as an academic discipline, a primary source (also called an original source) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time ...
Sources of information are commonly categorized as primary, secondary, or tertiary sources.In brief, a primary source is one close to the event with firsthand knowledge (for example, an eyewitness); a secondary source is at least one step removed (for example, a book about an event written by someone not involved in it); and a tertiary source is an encyclopaedia or textbook that provides a ...