00327nas a2200121   4500000000100000008004100001260001800042100001000060700001300070700001200083700001700095245009300112       2023                            d  c 6 March 20231 aLu An1 aYan Shen1 aGang Li1 aChuanming Yu00aA prediction model of users' attention transfer in the context of multitopic competition