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[[FILE:janvanrijn.jpg|border|right|thumb|link=http://wwwliacs.liacsleidenuniv.nl/~jvrijnrijnjnvan/|Jan van Rijn <ref>[http://wwwliacs.liacsleidenuniv.nl/~jvrijnrijnjnvan/ Jan N. van Rijn - LIACS]</ref> ]]

a Dutch computer scientist and assistant professor at [[Leiden University]], where he already defended his Ph.D. student within the algorithms cluster thesis in 2016 on massively collaborative machine learning <ref>[http[Jan van Rijn]] ('''2016'''). ''[https://wwwopenaccess.liacsleidenuniv.nl/researchhandle/algorithms-and-software-technology1887/about/ Algorithms and Software Technology (AST) - LIACS - 44814 Massively collaborative machine learning]''. Ph.D. thesis, [[Leiden Institute of Advanced Computer ScienceUniversity]]</ref> , and at [[Leiden University#LIACS|Leiden Institute of Advanced Computer Science]], [[Leiden UniversityLIACS]], where he already defended his Master's thesis in 2012 on [https://en.wikipedia.org/wiki/Game_complexity game complexity] , <ref>[[Jan van Rijn]] ('''2012'''). ''Playing Games: The complexity of Klondike, Mahjong, Nonograms and Animal Chess''. Master's thesis, [[Leiden University#LIACS|Leiden Institute of Advanced Computer Science]], [http://wwwliacs.liacsleidenuniv.nl/assets~rijnjnvan/pdf/master/2012-01JanvanRijn_2PlayingGamesV1_1.pdf pdf]</ref> of [https://en.wikipedia.org/wiki/Klondike_%28board_game%29 Klondike], [[Mahjong]], [[Nonogram]] and [[Dou Shou Qi]] (Jungle, Jungle Chess, Animals Chess) <ref>[https://en.wikipedia.org/wiki/Jungle_%28board_game%29 Jungle (board game) from Wikipedia]</ref>. His research interests further include [[Retrograde Analysis|retrograde analysis]], [[Learning|machine learning]], and [https://en.wikipedia.org/wiki/Meta_learning_%28computer_science%29 meta learning] along with massively collaborative [https://en.wikipedia.org/wiki/Data_mining data mining] <ref>[https://www.linkedin.com/pub/jan-van-rijn/15/a3/911 Jan van Rijn | LinkedIn]</ref>, where data mining efforts are distributed to multiple collaborating agents - human or software <ref>[https://www.cs.ox.ac.uk/softeng/people/Steve.Moyle/ Steve Moyle] ('''2005'''). ''[http://link.springer.com/chapter/10.1007%2F0-387-25465-X_49 Collaborative Data Mining]''. [http://link.springer.com/book/10.1007/b107408 Data Mining and Knowledge Discovery Handbook], Springer</ref>.

* [[Jan van Rijn]] ('''2012'''). ''Playing Games: The complexity of Klondike, Mahjong, Nonograms and Animal Chess''. Master's thesis, [[Leiden University#LIACS|Leiden Institute of Advanced Computer Science]], [http://wwwliacs.liacsleidenuniv.nl/assets~rijnjnvan/pdf/master/2012-01JanvanRijn_2PlayingGamesV1_1.pdf pdf]

* [[Hendrik Jan Hoogeboom]], [[Walter Kosters]], [[Jan van Rijn]], [[Jonathan K. Vis]] ('''2014, 2016'''). ''Acyclic Constraint Logic and Games''. [[ICGA Journal#37_1|ICGA Journal, Vol. 37, No. 1]], [https://arxiv.org/abs/1604.05487 arXiv:1604.05487]

* [http://wwwliacs.liacsleidenuniv.nl/~jvrijnrijnjnvan/ Jan N. van Rijn - LIACS]* [https://www.linkedin.com/pubin/jan-van-rijn-9110a315/15/a3/911 Jan van Rijn | LinkedIn]