LSI(Latent Semantic Indexing), which is a method of concept-based retrieval, is different from traditional retrieval which depend on a lexical match between words in user s query and those in documents. LSI can make retrieval accomplished based on the queries and documents meaning relationship. It is a completely automatic yet intelligent method in English textual materials indexing.
陈越,郭力. 隐含语义检索及其应用[J]. 现代图书情报技术, 2001, 17(6): 27-29.
Chen Yue,Guo Li. Latent Semantic Indexing and Its Application. New Technology of Library and Information Service, 2001, 17(6): 27-29.