摘要
高可靠性移动通信网络数据库在跨域检索过程中容易被攻击者修改数据,导致数据检索精度与效率下降,因而研究高可靠性移动通信网络数据库跨域安全检索方法。通过主密钥对和用户私钥、公钥确定密文索引,结合密文获取安全查询索引,提取安全查询索引关键词。通过改进TF-IDF权值方法确定索引关键词相关度分数,结合相关度分数对检索结果进行排名和过滤,将检索结果返回给数据使用者,完成跨域安全检索。实验结果表明,这种方法的检索结果的查全率、查准率、效率均较高,检索效果好。
During the retrieval process of highly reliable mobile communication network database in cross domain,it is easy for attackers to modify the data,leading to a decrease in data retrieval accuracy and efficiency.Therefore,the research is conducted on cross domain security retrieval method of highly reliable mobile communication network database.The ciphertext index is determined through the master key pair,user private key,and public key,and the ciphertext index is combined to obtain the security query index,the keywords of the security query index are extraced.By improved TF-IDF weight method,the correlation score of index keywords is determined,and the correlation score is combined to rank and filter the retrieval results,the retrieval results are returned to the data user to complete cross domain security retrieval.The experimental results show that the recall,precision,and efficiency of this method’s retrieval results are higher,and the retrieval effect is good.
作者
阚钿玉
KAN Tianyu(School of Information,Guangdong Nanfang Institute of Technology,Jiangmen 529040,China)
出处
《微型电脑应用》
2024年第8期46-50,共5页
Microcomputer Applications
基金
2018年度广东省高职教育品牌专业(52)
广东省第二批高职院校高水平专业群(GSPZYQ2021052)。
