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Researched1964 · Atomic & Space Age (1945 – 1990)

Civilization / Foundations of Civilization

Citation Index (SCI)

Garfield's Science Citation Index (1964) maps which papers cite which, so links between papers become measurable.

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Eugene Garfield proposed citation indexing in 1955 and published the first Science Citation Index in 1964, covering 613 journals. Citation counts became a tool for literature search and for judging research, and the PageRank patent cites his work.

Prerequisites

Scientific Societies & Journals1665
Peer Review & Research Bodies1945-1975

Unlocks

Web search and PageRank1998PageRank's patent cites Garfield's citation analysis: links count as votes

Sources

Wikipedia: Science Citation Index

More in Foundations of Civilization · Atomic & Space Age

Peer Review & Research Bodies1945-1975
International Standards (ISO)1947

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