{"title":"Analyzing Knowledge Demand and Supply of Community Question Answering with TF-PIDF","authors":"Ming Li, Ying Li, Qing Zhou, Jun Wang","doi":"10.11925/INFOTECH.2096-3467.2020.0395","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":36120,"journal":{"name":"数据分析与知识发现","volume":"11 1","pages":"106-115"},"PeriodicalIF":0.0000,"publicationDate":"2021-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"数据分析与知识发现","FirstCategoryId":"91","ListUrlMain":"https://doi.org/10.11925/INFOTECH.2096-3467.2020.0395","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Social Sciences","Score":null,"Total":0}