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en l eg an sPBUS Ai r10 網(wǎng)絡(luò)的 PA指數(shù) ? PA指數(shù): Random(PA): 同等規(guī)模隨機網(wǎng)絡(luò)的平均 popularity M: 網(wǎng)絡(luò)邊的條數(shù) N M C r H d k PA Datasets 332 2126 1222 16717 297 2148 379 941 USAir PB Celegans NetScience )()1)(1(1,PAR a n d o makkMPA Vyx xyyx?????11 邊的預(yù)測精度隨 popularity的變化 ? 測試集中邊的預(yù)測精度:該邊的分數(shù)比網(wǎng)絡(luò)中不存在的邊分數(shù)高的概率。 0 5 10x 104105100popul ari ty1AUC0 1 2x 104105100popul ari ty1AUC0 500 1000105100popul ari ty1AUC0 5000 10000105100popul ari ty1AUCCN egansUSAi rNSPBCNCNCN0 5 10x 104105100popul ari ty1AUC0 1 2x 104105100popul ari ty1AUC0 500 1000105100popul ari ty1AUC0 5000 10000104102100popul ari ty1AUCPA egansUSAi rNSP