摘要
效率和信息完备是信息检索的要求。文章充分利用数据表的相关性进行查询扩展和重构,实现了数据库的多层深度检索,检索关键词不局限于任意数据表,能快速检索出关联信息。
Efficiency and information completeness are the requirements of information retrieval.This paper makes full use of the relevance of the data table to extend and reconstruct the query,and realizes the multilayer depth retrieval of the database.The search keyword is not limited to any data table,and can carry out multi-layer depth retrieval.
作者
樊继东
Fan Jidong(Hubei Institute of Automotive Technology,Shiyan 442002,China)
出处
《信息化研究》
2018年第5期62-65,共4页
INFORMATIZATION RESEARCH
关键词
数据库
多层
查询
database
multilayer
search
