{
  "AI": {
  "Machine Learning": {
    "Reinforcement": {
      "RL": {
        "Q-Learning": "1992",
            "Policy Gradient Methods": "1999"
      }
    },
    "Supervised/Unsupervised Learning": {
      "Neural Network Based Algorithms": {
        "Siamese Neural Networks": {
          "Manifold-based Siamese network": "2019",
              "Cross-modal Siamese network": "2019",
              "DenseDisp": "2020"
        },
        "Graph neural networks": {
          "Convolutional Graph Neural Networks": {
            "Spectral-based Convolutional Graph Neural Network": "2014",
                "Diffusion-convolutional Graph Neural Network": "2016"
          },
          "Graph Autoencoders": {
            "Network Embeddings": {
              "Graph Autoencoder": "2016"
            },
            "Graph Generation": {
              "GraphRNN": "2018",
                  "GraphVAE": "2018",
                  "NetGAN": "2018"
            }
          }
        },
        "Language Models (LM)": {
          "Statistical Language Models": {
            "Statistical Language model": "1998"
          },
          "Neural Language Models": {
            "Neural language model": "2003"
          }
        },
        "Generative adversarial networks": {
          "Vanilla GAN": "2014",
              "Conditional GAN": "2014"

        },
        "Transformers": {
          "Vanilla Transformer": "2017",
              "BERT (Bidirectional Encoder Representations from Transformers)": "2018",
              "XLNet": "2019"
        },
        "Convolutional Neural Networks (ConvNets, CNNs)": {
          "Video Processing": {
            "3D CNN": "2012",
                "Two-Steam CNN": "2014"
          },
          "Image Processing Networks": {
            "LeNet": "1998",
                "Vision Transformer (ViT)": "2020",
                "ResNeSt": "2020",
                "Swin Transformer": "2021",
                "CrossViT": "2021"
          }
        },
        "Feedforward neural networks": {
          "Single-layer perceptron": "1958",
              "Multi-layer perceptron": "1965"
        }
      },
      "Classical ML": {
        "Instance-based ML": {
          "k-Nearest Neighbors (kNN)": "1951",
              "Memory-Based Reasoning (MBR)": "1991",
              "Case-Based Reasoning": "1993"
        },
        "Non-instance-based ML": {
          "Bayesian Algorithms": {
            "Clusterization": {
              "Gaussian Mixture Model": "1977"
            }
          }
        }
      }
    }
  }
}
}