tasks/chebil2015/instance_schema.json

{
  "problem": "<str> Name of the optimization problem.",
  "n_star": "<int> Total number of items across all classes.",
  "N": "<int> Number of item classes (families).",
  "b": "<int> Capacity of the knapsack.",
  "classes": [
    {
      "class_id": "<int> Identifier of this class, ranging from 1 to N.",
      "n_i": "<int> Number of items in this class.",
      "f_i": "<int> Fixed setup cost incurred when this class is activated (negative value representing a profit reduction).",
      "d_i": "<int> Knapsack capacity consumed when this class is activated.",
      "items": [
        {
          "item_id": "<int> Identifier of this item within its class, ranging from 1 to n_i.",
          "a_ij": "<int> Weight of this item.",
          "c_ij": "<int> Profit earned by selecting this item."
        }
      ]
    }
  ]
}