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'''Melanie Mitchell''' is a professor of computer science at [[Portland State University]]. She has worked at the [[Santa Fe Institute]] and [[Los Alamos National Laboratory]]. Her major work has been in the areas of [[analogical reasoning]], [[complex systems]], [[genetic algorithms]] and [[cellular automata]], and her publications in those fields are frequently cited.<ref>[https://scholar.google.com/scholar?q=author:%22Melanie+Mitchell%22&lr=&start=0&sa=N Google Scholar search for Melanie Mitchell]</ref>

She received her PhD in 1990 from the [[University of Michigan]] under [[Douglas Hofstadter]] and [[John Henry Holland|John Holland]], for which she developed the [[Copycat (software)|Copycat]] cognitive architecture. She is the author of "Analogy-Making as Perception", essentially a book about [[Copycat (software)|Copycat]]. She has also critiqued [[Stephen Wolfram]]'s ''[[A New Kind of Science]]''<ref>{{cite web|last=Mitchell|first=Melanie|title=IS the Universe a Universal Computer?|url=http://web.cecs.pdx.edu/~mm/new-kind-of-science-review.pdf|publisher=Science (www.sciencemag.org)|accessdate=March 23, 2013|pages=65–68|format=pdf|date=October 4, 2002}}</ref> and showed that genetic algorithms could find better solutions to the [[majority problem (cellular automaton)|majority problem]] for one-dimensional cellular automata. She is the author of ''An Introduction to Genetic Algorithms'', a widely known introductory book published by [[MIT Press]] in 1996. She is also author of ''Complexity: A Guided Tour'' (Oxford University Press, 2009), which won the 2010 [[Phi Beta Kappa Science Book Award]], and ''[[Artificial Intelligence: A Guide for Thinking Humans]]'' (Farrar, Straus, and Giroux).

==Views==
While expressing strong support for AI research, Mitchell has expressed concern about AI's vulnerability to hacking as well as its ability to inherit social biases. On [[artificial general intelligence]], Mitchell states that "commonsense knowledge" and "humanlike abilities for abstraction and analogy making" might constitute the final step required to build [[superintelligent]] machines, but that current technology is not close to being able to solve this problem.<ref>{{cite news |title=Fears about robot overlords are (perhaps) premature |url=https://www.csmonitor.com/Books/Book-Reviews/2019/1025/Fears-about-robot-overlords-are-perhaps-premature |accessdate=10 May 2020 |work=Christian Science Monitor |date=25 October 2019}}</ref> Mitchell believes that humanlike visual intelligence would require "general knowledge, abstraction, and language", and hypothesizes that visual understanding may have to be learned as an embodied agent rather than merely viewing pictures.<ref>{{cite news |title=What Is Computer Vision? |url=https://www.pcmag.com/news/what-is-computer-vision |accessdate=10 May 2020 |work=PCMAG |date=9 February 2020 |language=en}}</ref>

==Selected publications==
===Books===
* {{Cite book|first=Melanie|last=Mitchell|year=1993|title=Analogy-Making as Perception|isbn=0-262-13289-3}}
* {{Cite book|first=Melanie|last=Mitchell|title=An Introduction to Genetic Algorithms|isbn=0-262-63185-7|year=1998|publisher=MIT Press|location=Cambridge, Massachusetts}}
* {{Cite book|first=Melanie|last=Mitchell|title=Complexity: A Guided Tour|isbn=0-19-512441-3|year=2009|publisher=Oxford University Press|location=Oxford, U.K.}}
* {{cite book |last1=Mitchell |first1=Melanie |title=Artificial Intelligence: A Guide for Thinking Humans |date=October 15, 2019 |publisher=Farrar, Straus and Giroux |isbn=978-0374257835 |edition=First |language=English}}

===Articles===
*{{Cite journal | author=Mitchell, M., Holland, J. H., and Forrest, S. | title=When will a genetic algorithm outperform hill climbing? | journal=[[Advances in Neural Information Processing Systems]] | year=1994 | volume=6 | pages=51–58 | url=http://citeseer.ist.psu.edu/mitchell93when.html }}
*{{Cite journal | author=Melanie Mitchell, Peter T. Hraber, and [[James P. Crutchfield]]| title= Revisiting the edge of chaos: Evolving cellular automata to perform computations | journal=[[Complex Systems (journal)|Complex Systems]] | year=1993 | volume=7 | pages=89–130 | url=http://web.cecs.pdx.edu/~mm/rev-edge.pdf }}
*{{cite book|last=Cowan |first=George | authorlink = George Cowan |author2=[[David Pines]] |author3=David Elliott Meltzer|title=Complexity : metaphors, models, and reality|url=https://archive.org/details/complexity00gcow |url-access=limited |year=1999|publisher=[[Perseus Books]]|location=Cambridge, Massachusetts|isbn=978-0738202327|pages=[https://archive.org/details/complexity00gcow/page/n749 731]}}

==References==
{{BLP sources|date=June 2008}}
{{Reflist}}

==External links==
* [http://www.cs.pdx.edu/~mm Mitchell's professional homepage]
* {{google scholar id|k4gbv2AAAAAJ}}

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[[Category:Cellular automatists]]
[[Category:Complex systems scientists]]
[[Category:Living people]]
[[Category:Portland State University faculty]]
[[Category:University of Michigan alumni]]
[[Category:Santa Fe Institute people]]
[[Category:Brown University alumni]]
[[Category:Los Alamos National Laboratory personnel]]
[[Category:Oregon Health & Science University faculty]]
[[Category:Year of birth missing (living people)]]
[[Category:Researchers of artificial life]]
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