เปรียบเทียบวิธี

	การตัดสินใจแบบสามทาง	การคำนวณแบบละเอียด (การสร้างอนุภาคข้อมูล)
สาขาวิชา	การคำนวณแบบอ่อน	การคำนวณแบบอ่อน
ตระกูล	Machine learning	Machine learning
ปีกำเนิด	2010	1997
ผู้ริเริ่ม	Yiyu Yao	Lotfi A. Zadeh (information granulation); developed by Pedrycz, Skowron, Yao
ประเภท	Decision-theoretic classification framework	Framework for multi-granularity information processing
แหล่งต้นตำรับ	Yao, Y. (2010). Three-way decisions with probabilistic rough sets. Information Sciences, 180(3), 341–353.	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.
ชื่อเรียกอื่น	3WD, Trisecting-and-Acting, Tri-partition Decision Making, Üç Yönlü Kararlar	information granulation, computing with granules, three-way granular computing, tanecikli hesaplama
ที่เกี่ยวข้อง	2	3
สรุป	Three-Way Decisions (3WD) is a decision-theoretic framework, introduced by Yiyu Yao in 2010, that partitions the universe of objects into three regions—positive (accept), negative (reject), and boundary (abstain)—using probabilistic rough set theory. Unlike binary classifiers that force every object into one of two classes, 3WD explicitly acknowledges uncertainty by allowing a third option: deferring judgment when available evidence is insufficient for a confident decision.	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.