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Main path analysis was first proposed by Hummon and Doreian<ref>{{Cite journal|last=Hummon|first=Norman P.|last2=Doreian|first2=Patrick|date=|title=Connectivity in a citation network: The development of DNA theory|url=https://doi.org/10.1016/0378-8733(89)90017-8|journal=Social Networks|volume=11|issue=1|pages=39–63|doi=10.1016/0378-8733(89)90017-8|via=}}</ref>. It is a mathematical tool to identify the major paths in a [[directed acyclic graph]] (DAG), typically [[citation network]]. The method begins by measuring the significance of all the links in a citation network through the concept of ‘traversal count’ and then sequentially chains the most significant links into a ‘main path’, which is deemed the most significant historical path in the target DAG. The method is applicable to any human activity that can be organized in the form of a DAG. The most common applications are tracing the knowledge flow paths or development trajectories of a science or technology field through bibliographic citations or patent citations<ref>{{Cite journal|last=Liu|first=John S.|last2=Lu|first2=Louis Y.Y.|last3=Lu|first3=Wen-Min|last4=Lin|first4=Bruce J.Y.|title=Data envelopment analysis 1978–2010: A citation-based literature survey|url=https://doi.org/10.1016/j.omega.2010.12.006|journal=Omega|volume=41|issue=1|pages=3–15|doi=10.1016/j.omega.2010.12.006}}</ref><ref>{{Cite journal|last=Verspagen|first=Bart|date=2007-03-01|title=Mapping technological trajectories as patent citation networks: a study on the history of fuel cell research|url=http://www.worldscientific.com/doi/abs/10.1142/S0219525907000945|journal=Advances in Complex Systems|volume=10|issue=01|pages=93–115|doi=10.1142/S0219525907000945|issn=0219-5259}}</ref><ref>{{Cite journal|last=Lucio-Arias|first=Diana|last2=Leydesdorff|first2=Loet|date=2008-10-01|title=Main-path analysis and path-dependent transitions in HistCite™-based historiograms|url=http://onlinelibrary.wiley.com/doi/10.1002/asi.20903/abstract|journal=Journal of the American Society for Information Science and Technology|language=en|volume=59|issue=12|pages=1948–1962|doi=10.1002/asi.20903|issn=1532-2890}}</ref>. It has also been applied to judicial decision to trace the evolving changes of legal opinion<ref>{{Cite journal|last=Liu|first=John S.|last2=Chen|first2=Hsiao-Hui|last3=Ho|first3=Mei Hsiu-Ching|last4=Li|first4=Yu-Chen|date=2014-12-01|title=Citations with different levels of relevancy: Tracing the main paths of legal opinions|url=http://onlinelibrary.wiley.com/doi/10.1002/asi.23135/abstract|journal=Journal of the Association for Information Science and Technology|language=en|volume=65|issue=12|pages=2479–2488|doi=10.1002/asi.23135|issn=2330-1643}}</ref>.
== History ==
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== The method ==
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== The Variants ==
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== Applications ==
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== References ==
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== External links ==
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