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大数据的出现对数字图书馆信息检索影响很大,大数据时代数据的更新速度非常快,如何快速处理这些快速更新的数据,为用户提供最新的检索信息成为基于大数据的数字图书馆信息检索服务的难点。一、基于大数据的信息检索的现状信息检索是数字图书馆信息服务的必不可少的核心部分,数字图书馆的易用性很大程度上是通过信息检索系统来体现的。由于数字图书馆的数字化信息资源类型丰富,
The emergence of big data has a great influence on the retrieval of digital library information. The data in the big data era is updated very fast. How to deal with these rapidly updated data rapidly so as to provide users with the latest retrieval information and become the big data-based digital library information retrieval Difficulties in service. First, the status quo of information retrieval based on big data Information retrieval is an indispensable core part of digital library information service. The usability of digital library is largely reflected by the information retrieval system. Due to the rich digital information resources of digital library,