EARSystem

{
  "measuredAt": "2026-10-06T17:25:37.3648185+08:00",
  "data": "60 fictional places; 4 goals x 5 query centers; manually authored category relevance",
  "limitation": "Synthetic behavior illustration only. Real relevance and satisfaction require a separate consenting user study.",
  "methods": [
    {
      "method": "Distance",
      "scenarios": 20,
      "precisionAt5": 0.56,
      "ndcgAt5": 0.4747,
      "categoryCoverageAt5": 3.4,
      "simulatedSatisfaction": 3.13
    },
    {
      "method": "Rating",
      "scenarios": 20,
      "precisionAt5": 0.45,
      "ndcgAt5": 0.4125,
      "categoryCoverageAt5": 4,
      "simulatedSatisfaction": 2.57
    },
    {
      "method": "MultiDimensional",
      "scenarios": 20,
      "precisionAt5": 0.91,
      "ndcgAt5": 0.8828,
      "categoryCoverageAt5": 2.4,
      "simulatedSatisfaction": 4.41
    }
  ]
}