摘要
介绍了信息检索技术的发展阶段 ,详细论述了WWW的 3种信息检索技术 :分类目录式 (网站级 )检索、全文 (网页级 )检索、基于内容的多媒体检索 。
The development stages of information retrieval techniques are introduced,and then the three types of information retrieval techniques based on world wide web are discussed in details,including:directory retrieval,full text retrieval,content based Retrieval.And the main development tendency of the search engine based on World Wide Web is pointed out.
出处
《济南大学学报（自然科学版）》
CAS
2001年第3期284-286,共3页
Journal of University of Jinan(Science and Technology)
