文件名称:MIR03_IRBasics2
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信息检索的定义(IR)：
从文档集合中返回满足用户需求的相关信息. 作 为一门学科，是研究信息的获取 (acquisition)、表示(representation)、存储 (storage)、组织(organization)和访问(access)的一门学问。
-Information retrieval ( IR ):
From the collection of documents returned to meet the needs of users of the relevant information. As a discipline, is the study of the information acquisition , says ，storage , organization and to access a knowledge.
从文档集合中返回满足用户需求的相关信息. 作 为一门学科，是研究信息的获取 (acquisition)、表示(representation)、存储 (storage)、组织(organization)和访问(access)的一门学问。
-Information retrieval ( IR ):
From the collection of documents returned to meet the needs of users of the relevant information. As a discipline, is the study of the information acquisition , says ，storage , organization and to access a knowledge.
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MIR03_IRBasics2.ppt