V2EX bayesian network

Bayesian Network

Definition / 定义

贝叶斯网络:一种用有向无环图(DAG)表示随机变量及其条件依赖关系的概率模型;常用于不确定性推理、诊断、预测与因果建模。(也常被归为“概率图模型”的一种。)

Pronunciation / 发音

/bezin ntwrk/

Examples / 例句

We built a Bayesian network to predict equipment failures.
我们建立了一个贝叶斯网络来预测设备故障。

Using a Bayesian network, the system can combine sensor data and expert knowledge to infer the most likely cause of an alarm.
使用贝叶斯网络,系统可以融合传感器数据与专家知识,推断警报最可能的原因。

Etymology / 词源

“Bayesian”来自18世纪英国数学家与牧师 Thomas Bayes 的名字,指以贝叶斯定理为核心的概率更新思想;“network”意为“网络/网状结构”,在这里指变量节点与依赖关系边构成的图结构。合起来表示“用贝叶斯概率关系组织起来的网络模型”。

Related Words / 相关词

Literary Works / 文学作品

  • Judea Pearl, Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference(经典著作,系统阐述贝叶斯网络与推理)
  • Daphne Koller & Nir Friedman, Probabilistic Graphical Models: Principles and Techniques(广泛使用“Bayesian network”等术语)
  • Stuart Russell & Peter Norvig, Artificial Intelligence: A Modern Approach(在人工智能章节中讨论贝叶斯网络与概率推理)
  • Finn V. Jensen, Bayesian Networks and Decision Graphs(以贝叶斯网络为核心主题的专著)
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