8️⃣ 常用模型--离散序列模型（ HMM 和 CRF ）
〖摘要〗
〖原文〗 Standford cs228 notes
〖参考〗CMU 10-708 Slides / CMU 10-708 Lecture Notes / Jordan TextBook, Ch.2(section 2.2 - end) / Koller’s Textbook,Ch.4 / A. Fischer and C. Igel, An Introducton to Restricted Boltzmann Machines / B. A. Cipra, An Introduction to the Ising Model