Class-conditional probability 类条件概率 

Classification and regression tree/CART 分类与回归树 

Classifier 分类器 

Class-imbalance 类别不平衡 

Closed -form 闭式 

Cluster 簇/类/集群 

Cluster analysis 聚类分析 

Clustering 聚类 

Clustering ensemble 聚类集成 

Co-adapting 共适应 

Coding matrix 编码矩阵 

COLT 国际学习理论会议 

Committee-based learning 基于委员会的学习 

Competitive learning 竞争型学习 

Component learner 组件学习器 

Comprehensibility 可解释性 

Computation Cost 计算成本 

Computational Linguistics 计算语言学 

Computer vision 计算机视觉 

Concept drift 概念漂移 

Concept Learning System /CLS 概念学习系统 

Conditional entropy 条件熵 

Conditional mutual information 条件互信息 

Conditional Probability Table／CPT 条件概率表 

Conditional random field/CRF 条件随机场 

Conditional risk 条件风险 

Confidence 置信度 

Confusion matrix 混淆矩阵 

Connection weight 连接权 

Connectionism 连结主义 

Consistency 一致性／相合性 

Contingency table 列联表 

Continuous attribute 连续属性 

Convergence 收敛 

Conversational agent 会话智能体 

Convex quadratic programming 凸二次规划 

Convexity 凸性 

Convolutional neural network/CNN 卷积神经网络 

Co-occurrence 同现 

Correlation coefficient 相关系数 

Cosine similarity 余弦相似度 

Cost curve 成本曲线 

Cost Function 成本函数 

Cost matrix 成本矩阵

Cost-sensitive 成本敏感 

Cross entropy 交叉熵 

Cross validation 交叉验证 

Crowdsourcing 众包 

Curse of dimensionality 维数灾难 

Cut point 截断点 

Cutting plane algorithm 割平面法

Data mining 数据挖掘 

Data set 数据集 

Decision Boundary 决策边界 

Decision stump 决策树桩 

Decision tree 决策树／判定树 

Deduction 演绎 

Deep Belief Network 深度信念网络 

Deep Convolutional Generative Adversarial Network/DCGAN 深度卷积生成对抗网络 

Deep learning 深度学习 

Deep neural network/DNN 深度神经网络 

Deep Q-Learning 深度 Q 学习 

Deep Q-Network 深度 Q 网络 

Density estimation 密度估计 

Density-based clustering 密度聚类 

Differentiable neural computer 可微分神经计算机 

Dimensionality reduction algorithm 降维算法 

Directed edge 有向边 

Disagreement measure 不合度量 

Discriminative model 判别模型