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传统的信息检索系统基于关键词建立索引并进行信息检索.这些系统存在查询返回文档集大、准确率低和普通用户不便于构造查询等不足.为此,该文提出基于文档实例的信息检索,即以已有文档作为样本,在文档库中检索与样本文档相似的所有文档.文中给出了基于文档实例的中文信息检索的解决方法和实现技术.初步实验结果表明该方法是行之有效的.
Traditional information retrieval system based on keyword indexing and information retrieval.These systems have the drawbacks of large query size, high accuracy and inconvenient to construct queries.For this reason, this paper proposes a document-based information retrieval, That is, using the existing documents as a sample to retrieve all the documents in the document library which are similar to the sample documents.This paper presents a solution and implementation technology of Chinese information retrieval based on document instances.The preliminary experimental results show that this method is effective .