文件名称:LSA
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潜在语义分析 LSA(latent semantic analysis)潜在语义分析，也被称为LSI(latent semantic index)，是Scott Deerwester, Susan T. Dumais等人在1990年提出来的一种新的索引和检索方法。它解决了传统的关键词直接索引方法的同义词问题。该方法提出了潜在语义空间，即将文档投影到潜在语义空间中，通过文档间的位置关系判断文档的相似度。在该空间中，具有同义词的文档相互靠近，同时去除了文档中的噪音，提高了检索的精确度。（-LSA 为信息检索
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LSA\corpus\Art1
...\......\Art2
...\......\Art3
...\......\Art4
...\......\Art5
...\......\Business1
...\......\Business2
...\......\Business3
...\......\Business4
...\......\Business5
...\......\Movie1
...\......\Movie2
...\......\Movie3
...\......\Movie4
...\......\Movie5
...\......\Sci1
...\......\Sci2
...\......\Sci3
...\......\Sci4
...\......\Sci5
...\......\Sport1
...\......\Sport2
...\......\Sport3
...\......\Sport4
...\......\Sport5
...\......\Travel1
...\......\Travel2
...\......\Travel3
...\......\Travel4
...\......\Travel5
...\......2\c1
...\.......\c2
...\.......\c3
...\.......\c4
...\.......\c5
...\.......\m1
...\.......\m2
...\.......\m3
...\.......\m4
...\CreateVectorSpace.cc
...\CreateVectorSpace.h
...\english.stop
...\lsa.out
...\Makefile
...\PorterStemmer.c
...\porterstemmer.out
...\readme.txt
...\SVD.cc
...\corpus
...\corpus2
LSA
...\......\Art2
...\......\Art3
...\......\Art4
...\......\Art5
...\......\Business1
...\......\Business2
...\......\Business3
...\......\Business4
...\......\Business5
...\......\Movie1
...\......\Movie2
...\......\Movie3
...\......\Movie4
...\......\Movie5
...\......\Sci1
...\......\Sci2
...\......\Sci3
...\......\Sci4
...\......\Sci5
...\......\Sport1
...\......\Sport2
...\......\Sport3
...\......\Sport4
...\......\Sport5
...\......\Travel1
...\......\Travel2
...\......\Travel3
...\......\Travel4
...\......\Travel5
...\......2\c1
...\.......\c2
...\.......\c3
...\.......\c4
...\.......\c5
...\.......\m1
...\.......\m2
...\.......\m3
...\.......\m4
...\CreateVectorSpace.cc
...\CreateVectorSpace.h
...\english.stop
...\lsa.out
...\Makefile
...\PorterStemmer.c
...\porterstemmer.out
...\readme.txt
...\SVD.cc
...\corpus
...\corpus2
LSA