The AI Taxonomy Tree

The AI Taxonomy Tree - by Mohd Yamani Idna Idris

Artificial Intelligence (AI)
├── Symbolic AI (Rule-Based Systems)
├── Statistical AI
│   └── Machine Learning (ML)
│       ├── Supervised Learning
│       ├── Unsupervised Learning
│       └── Reinforcement Learning
│           └── Deep Learning (DL)
│               ├── MLP, CNN, RNN
│               └── Transformers
│                   └── Large Language Models (LLMs)
│                       └── Generative AI
│                           ├── Text
│                           ├── Image
│                           ├── Audio
│                           └── Multimodal
  

AI Cheat Sheet: Algorithms, Types, Use Cases & Notes

Algorithm / Model	Type	Use Case	Notes
Rule-Based Systems	Symbolic AI	Expert systems, diagnostics	No learning; logic-driven
Decision Trees	Supervised ML	Classification, regression	Easy to interpret
SVM	Supervised ML	Image/text classification	High-dimensional data
k-NN	Supervised ML	Pattern recognition	Simple, slow on large data
Linear Regression	Supervised ML	Predict continuous values	Assumes linearity
k-Means	Unsupervised ML	Customer segmentation	Requires k upfront
PCA	Unsupervised ML	Dimensionality reduction	Improves speed, loses detail
Q-Learning	Reinforcement Learning	Game AI, robotics	Learns via rewards
Policy Gradient	Reinforcement Learning	Continuous control	Direct policy optimization
MLP	Deep Learning	General prediction	Basic neural net
CNN	Deep Learning	Image recognition	Spatial feature extraction
RNN	Deep Learning	Sequence modeling	Struggles with long-term memory
LSTM / GRU	Deep Learning	Long-term dependencies	Better memory handling
Transformer	Deep Learning	NLP, vision, multimodal tasks	Scalable, parallelizable
BERT	Transformer (LLM)	Text classification, Q&A	Bidirectional context
GPT (e.g., GPT-4)	Transformer (LLM)	Text generation, chatbots	Autoregressive model
Stable Diffusion	Generative AI	Image synthesis	Noise-to-image pipeline
GAN	Generative AI	Image, video, music generation	Adversarial training
Jukebox / AudioLM	Generative AI	Music and audio creation	Trained on waveforms
CLIP	Multimodal AI	Text-to-image search	Connects vision + language
Gemini / GPT-4 Vision	Multimodal LLM	Image + text understanding	Combines modalities