{
  "ai": {
    "node_id": "ai-e199f3e521db4347a8bc662f8f33ca6c",
    "keywords": [],
    "children": [
      {
        "AI初阶": {
          "node_id": "ai-7c98592cf49347b69cc10b653731bd16",
          "keywords": [],
          "children": [
            {
              "预备知识": {
                "node_id": "ai-bc6f05e925e147fd8fca53041f70e022",
                "keywords": [],
                "children": [
                  {
                    "AI简介": {
                      "node_id": "ai-3387d5d7a7684fbb9187e26d6d8d187b",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "线性反向传播": {
                      "node_id": "ai-861408a897f042fd8044bfc9838d2747",
                      "keywords": [],
                      "children": []
                    }
                  },
                  {
                    "梯度下降": {
                      "node_id": "ai-8deab4930eef40b0bd9c2337e7ad5c51",
                      "keywords": [],
                      "children": []
                    }
                  }
                ]
              }
            },
            {
              "线性回归": {
                "node_id": "ai-f51cf279b2c94e099da0f3e1fcfc793e",
                "keywords": [],
                "children": []
              }
            },
            {
              "线性分类": {
                "node_id": "ai-d7c91624cb92446786eeaad0cd336445",
                "keywords": [],
                "children": []
              }
            }
          ]
        }
      },
      {
        "AI中阶": {
          "node_id": "ai-8b462755b2014f90bff16ec87d2fb84c",
          "keywords": [],
          "children": []
        }
      },
      {
        "AI高阶": {
          "node_id": "ai-de60cc83f32541499c62e182ac952d83",
          "keywords": [],
          "children": []
        }
      }
    ]
  }
}