Probabilistic Field Mapping for Product Search
نویسندگان
چکیده
Round #1 Round #2 Outcome #I %W %L %T Outcome #I %W %L %T Method 1 0.2827 699 7.7 19.6 72.7 0.4118 731 11.5 16.4 72.1 Method 2 0.3413 725 9.8 18.9 71.3 0.4389 757 10.4 13.3 76.2 Method 3 0.3277 665 8.7 17.9 73.4 0.4795 767 10.7 11.6 77.7 P (t|f) P (f) • P(f) Field priors can be uniform or set proportional to individual field performance (NDCG), based on historical CTR • P(t|f) The probability of a term occurring in a given field can be uniform or based on term statistics (as in the original PRMS) 1 |F | / NDCGf
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تاریخ انتشار 2015