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	Model zbiorów przybliżonych ze zmienną precyzją (VPRS)	Obliczenia ziarniste (granulacja informacji)
Dziedzina	Obliczenia miękkie	Obliczenia miękkie
Rodzina	Machine learning	Machine learning
Rok powstania	1993	1997
Twórca	Wojciech Ziarko	Lotfi A. Zadeh (information granulation); developed by Pedrycz, Skowron, Yao
Typ	Classification and rule induction model	Framework for multi-granularity information processing
Źródło pierwotne	Ziarko, W. (1993). Variable precision rough set model. Journal of Computer and System Sciences, 46(1), 39–59.	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.
Inne nazwy	VPRS Model, Variable Precision Rough Sets, Approximate Rough Set Model, Değişken Hassasiyetli Kaba Küme Modeli	information granulation, computing with granules, three-way granular computing, tanecikli hesaplama
Pokrewne	2	3
Podsumowanie	Variable Precision Rough Set (VPRS) is an extension of classical rough set theory introduced by Wojciech Ziarko in 1993 to handle real-world data that inevitably contains noise and misclassification. By introducing a precision parameter u controlling the allowable degree of overlap between equivalence classes and a target concept, VPRS relaxes the strict subset requirement of standard rough sets, enabling the induction of approximate classification rules from noisy or inconsistent datasets.	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.