نمايه سازي معنايي پنهان

Latent semantic indexing

This article is representing and describing latent semantic indexing method, that is one of the modern automatic indexing methods. This article, points to indexing and its challenges in a brief introduction. Then in the second chapter, vector space models, which latent semantic indexing is one of its extensions, is described. In next chapter along with explaining the concept of the latent semantic indexing, its application and usage is stated and then its mathematical base that is statistical method of analyzing individual amounts explained through an example. In next chapter latent semantic indexing process is explained through an example and eventually projects and plans running in this field are introduced and some of technological advances in improvement of latent semantic indexing function are pointed out.