Brand Query Impact

# Brand Query Impact It seems we did not solve the brand query issue. They still hurt us much! ## brand queries 0827 all PD38Challenger ('176988.09', 15794, '11.21') all PD38Control ('196206.78', 14353, '13.67') all PD38Dummy ('1554915.16', 117431, '13.24') random PD38Challenger ('42717.78', 3022, '14.14') random PD38Control ('56520.73', 3106, '18.20') random PD38Dummy ('455138.56', 26002, '17.50') (42717 * 17.5 / 14.14 - 42717) / 176988 = 0.05735176541587982 0824-0827 all PD38Challenger ('716901.79', 58549, '12.24') all PD38Control ('742329.80', 54745, '13.56') all PD38Dummy ('6022386.27', 434366, '13.86') random PD38Challenger ('196677.21', 12508, '15.72') random PD38Control ('211885.55', 12723, '16.65') random PD38Dummy ('1760683.21', 102562, '17.17') (196677 * 17.17 / 15.72 - 196677) / 716901 = 0.025305204394857696 ## ambiguous brand queries 0824-0827 all PD38Challenger ('716901.79', 58549, '12.24') all PD38Control ('742329.80', 54745, '13.56') all PD38Dummy ('6022386.27', 434366, '13.86') random PD38Challenger ('20138.66', 1974, '10.20') random PD38Control ('25000.06', 1799, '13.90') random PD38Dummy ('179595.07', 14128, '12.71') (20138 * 13.24 / 11.21 - 20138) / 716901 = 0.005086834119968843 0827-0827 all PD38Challenger ('176988.09', 15794, '11.21') all PD38Control ('196206.78', 14353, '13.67') all PD38Dummy ('1554915.16', 117431, '13.24') random PD38Challenger ('3134.72', 453, '6.92') random PD38Control ('4531.30', 431, '10.51') random PD38Dummy ('38943.29', 3407, '11.43') (3134 * 11.43 / 6.92 - 3141) / 176988 = 0.011500975671124175 ## Query Level Analysis - we require both brand matching and text matching, leading low coverage + example: `lol` + 42 (us) vs 54 (them) + the actual brand is `l.o.l.` and will have mismatch if the word "LOL" does not appear in title or description + example: `lol surprise` + 23 (us) vs 54 (them) + it requires both lol and surprise in the text - we require brand matching, but miss good text matching + examples: "harry potter", "star wars", "pj masks" + a lot of products related to these (e.g., have these in title) but not in these brand, still need to be matched