摘要: Authenticating Top-k Queries in Location-based Services with Confidentiality Abstract 1.Introduction Q1:本文的评分函数? 评分函数 对象的排名值是距离惩罚(distance penalty)和非空 阅读全文
posted @ 2022-04-25 10:27 someonezero 阅读(29) 评论(0) 推荐(0) 编辑