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{{short description|Algorithm for labeling clusters on a grid}}
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The '''Hoshen–Kopelman algorithm''' is a simple and efficient [[algorithm]] for labeling [[Cluster analysis|clusters]] on a grid, where the grid is a regular [[Network theory|network]] of cells, with the cells being either occupied or unoccupied. This algorithm is based on a well-known [[Disjoint-set data structure|union-finding algorithm]].<ref>{{Cite web |title=Union-Find Algorithms |url=https://www.cs.princeton.edu/~rs/AlgsDS07/01UnionFind.pdf |url-status=usurped |archive-url=https://web.archive.org/web/20210530054627/https://www.cs.princeton.edu/~rs/AlgsDS07/01UnionFind.pdf |archive-date=2021-05-30 |website=Princeton Computer Science}}</ref> The algorithm was originally described by Joseph Hoshen and [[Raoul Kopelman]] in their 1976 paper "Percolation and Cluster Distribution. I. Cluster Multiple Labeling Technique and Critical Concentration Algorithm".<ref>{{cite journal|url=http://link.aps.org/doi/10.1103/PhysRevB.14.3438|title=Percolation and cluster distribution. I. Cluster multiple labeling technique and critical concentration algorithm|first1=J.|last1=Hoshen|first2=R.|last2=Kopelman|date=15 October 1976|journal=Phys. Rev. B|volume=14|issue=8|pages=3438–3445|via=APS|doi=10.1103/PhysRevB.14.3438|bibcode=1976PhRvB..14.3438H|url-access=subscription}}</ref>
== Percolation theory ==
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