{
    "alpha_ndcg": {
        "alpha-nDCG@5": 0.0606,
        "alpha-nDCG@10": 0.0749,
        "alpha-nDCG@20": 0.0911
    },
    "coverage": {
        "Coverage@5": 0.1111,
        "Coverage@10": 0.1608,
        "Coverage@20": 0.2146,
        "Coverage@50": 0.3012
    },
    "recall": {
        "Recall@5": 0.0189,
        "Recall@10": 0.0452,
        "Recall@20": 0.0749,
        "Recall@50": 0.1283
    }
}