搜索资源列表
Vector+tf-idf
- Cosine similarity with TFIDF for information retrieval
Text-Retrieval
- 信息检索系统从最初的纯手工检索系统业已发展到现在的以信息技术为支撑的检索系统,在这一过程中,适应新的信息资源、信息技术这些检索环境,提高信息检索系统的查全率、查准率和系统响应时间是不变的主题,在众多文本中掌握最有效的信息始终是信息处理的一大目标。围绕向量空间模型设计了一个文本检索系统,介绍向量空间模型的基础上给出了基于它的信息检索系统的一般结构框架和各部分的功能,探讨了系统中所涉及到的关键技术。用向量空间模型进行特征表达,用TF-IDF(Term-Frequency Inverse-Docume
KeywordExtractio_
- 研究中文新闻文档的关键词提取,对算法提出了一定的改进,仅有理论研究,无实现源码-Keyword Extraction Based on tf/idf for Chinese News Document
TF-IDF-to-Determine-Word-Relevance
- Using TF-IDF to Determine Word Relevance in Document Queries : In this paper, we examine the results of applying Term Frequency Inverse Document Frequency (TF-IDF) to determine what words in a corpus of documents might be more favorable to us
IR-project
- 1-The Cranfield collection is a standard IR text collection(included in this directory)., consisting of 1400 documents the aerodynamics field.Write a program that preprocesses the collection.Determine the frequency of occurence for all the words in t