مقایسهٔ روش‌ها

	نظریه امکان (Possibility Theory)	محاسبات دانه‌ای (دانه‌بندی اطلاعات)
حوزه	محاسبات نرم	محاسبات نرم
خانواده	Machine learning	Machine learning
سال پیدایش	1988	1997
پدیدآور	Lotfi Zadeh; Didier Dubois & Henri Prade	Lotfi A. Zadeh (information granulation); developed by Pedrycz, Skowron, Yao
نوع	Uncertainty quantification framework	Framework for multi-granularity information processing
منبع بنیادین	Dubois, D., & Prade, H. (1988). Possibility Theory: An Approach to Computerized Processing of Uncertainty. Plenum Press. ISBN: 978-0-306-42520-2	Zadeh, L. A. (1997). Toward a theory of fuzzy information granulation and its centrality in human reasoning and fuzzy logic. Fuzzy Sets and Systems, 90(2), 111–127.
نام‌های دیگر	Fuzzy Possibility Theory, Possibilistic Reasoning, Olasılık Teorisi (Bulanık), Possibility Distribution Theory	information granulation, computing with granules, three-way granular computing, tanecikli hesaplama
مرتبط	3	3
خلاصه	Possibility Theory is a mathematical framework for representing and reasoning under uncertainty, introduced by Lotfi Zadeh in 1978 and systematically developed by Didier Dubois and Henri Prade in their 1988 monograph. It uses possibility distributions — functions assigning a degree in [0,1] to each element of a universe — to encode what is plausible or consistent with available information, complementing probability theory for situations where data is scarce or knowledge is imprecise.	Granular computing is a problem-solving paradigm that processes information in 'granules' — clumps of objects drawn together by indistinguishability, similarity, or functionality — rather than at the level of individual data points. Articulated by Lotfi Zadeh in 1997 as fuzzy information granulation and developed into a broad framework, it provides a unifying umbrella over fuzzy sets, rough sets, and interval methods, letting analysis move to whichever level of detail a problem actually requires.