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  • Extract Longitudinal Summary

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Data Preparation > Database > ISI > Longitudinal Summary

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Description

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Extracts a longitudinal summary from an ISI database.

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This algorithm produces a table which contains one row for each of those years and provides counts of a variety of entities and events from that year.

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Analyses

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The output table will include the following summaries of your dataset for each publication year and each referenced year:

  • documents_published: The number of documents published that year.
  • references_published: The number of documents which refer to some document published that year.
  • total_references_made: The total number of references (and distinct_references_made: the number of distinct references) cited among all of the documents published that year.
  • distinct_authors: The number of distinct authors who published a document that year.
  • distinct_sources: The number of distinct sources (journals, typically) that contain a document published that year.
  • distinct_author_keywords: The number of distinct author-provided keywords among all documents published that year.
  • distinct_isi_keywords: The number of distinct ISI-provided keywords among all documents published that year.
  • distinct_other_keywords: The number of distinct keywords among all documents published that year that were not provided by the author(s) or by ISI.

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Usage Hints

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Load an ISI file into the tool, then create a database from it using the ISI database loader.

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Finally, you must match references up to documents in your dataset.

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