# RRF parameters on the 60 queries: k, candidates per list, list weights --- k, with 20 candidates per list --- k hit@1 hit@5 MRR@10 1 46/60 58/60 0.851 10 45/60 55/60 0.826 60 46/60 55/60 0.826 200 46/60 55/60 0.825 1000 46/60 55/60 0.825 --- candidates taken from each list, with k = 60 --- cands hit@1 hit@5 MRR@10 3 41/60 57/60 0.802 5 43/60 59/60 0.828 10 45/60 57/60 0.823 20 46/60 55/60 0.826 50 46/60 55/60 0.829 --- weights (vector : keyword), k = 60, 20 candidates --- weights hit@1 hit@5 MRR@10 1.0:0.0 41/60 55/60 0.782 1.0:0.5 45/60 56/60 0.822 1.0:1.0 46/60 55/60 0.826 0.5:1.0 42/60 54/60 0.781 0.0:1.0 37/60 50/60 0.692