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根据不同的检索诉求,将信息检索分为学术型信息检索、休闲型信息检索、实用性信息检索、决策型信息检索和混合 检索;分析每种信息检索行为的特点;针对不同的检索目的和特点剖析改进检索效果的关键技术;讨论进一步研究的重点。
According to different retrieval demands, the information retrieval is divided into academic information retrieval, leisure information retrieval, practical information retrieval, decision-making information retrieval and hybrid retrieval. The characteristics of each information retrieval behavior are analyzed. According to different retrieval purposes and characteristics Analyze the key technologies to improve the search results; Discuss the focus of further research.