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  2. Primary source - Wikipedia

    en.wikipedia.org/wiki/Primary_source

    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 ...

  3. Wikipedia:Identifying and using primary sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Identifying_and...

    So while a dictionary is an example of a tertiary source, an ancient dictionary is actually a primary source—for the meanings of words in the ancient world. There are no quaternary sources: Either the source is primary, or it describes, comments on, or analyzes primary sources (in which case, it is secondary), or it relies heavily or entirely ...

  4. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    This is a list of GIS data sources ... For example: INSPIRE Thematic ... Primary sources are cited for every change, providing extensive historical documentation. ...

  5. Wikipedia talk : Identifying and using primary sources

    en.wikipedia.org/wiki/Wikipedia_talk:Identifying...

    "A newspaper article is a primary source if it reports events, but a secondary source if it analyses and comments on those events." "Characteristically, primary sources are contemporary to the events and people described [e.g., like a newspaper article on a current event]... Examples of primary sources include...newspaper ads and stories.

  6. Wikipedia:Evaluating sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Evaluating_sources

    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 ...

  7. Wikipedia : Primary Secondary and Tertiary Sources

    en.wikipedia.org/wiki/Wikipedia:Primary...

    An eyewitness account of a traffic accident is an example of a primary source. Other examples include archeological artifacts; photographs; videos; historical documents such as diaries, census results, maps, or transcripts of surveillance, public hearings, trials, or interviews; untabulated results of surveys or questionnaires; the original ...

  8. Historical source - Wikipedia

    en.wikipedia.org/wiki/Historical_source

    A tertiary source is an index or textual consolidation of already published primary and secondary sources [6] that does not provide additional interpretations or analysis of the sources. [ 7 ] [ 8 ] Some tertiary sources can be used as an aid to find key (seminal) sources, key terms, general common knowledge [ 9 ] and established mainstream ...

  9. Raw data - Wikipedia

    en.wikipedia.org/wiki/Raw_data

    Raw data (sometimes colloquially called "sources" data or "eggy" data, the latter a reference to the data being "uncooked", that is, "unprocessed", like a raw egg) are the data input to processing. A distinction is made between data and information, to the effect that information is the end product of data processing. Raw data that has ...