With its advantages in information retrieval,such as simple in indexing and convenient in information retrieval,natural language is now widely used in information retrieval and network retrieval.However,due to some ch...With its advantages in information retrieval,such as simple in indexing and convenient in information retrieval,natural language is now widely used in information retrieval and network retrieval.However,due to some characteristics of the natural language itself,its retrieval result is usually unsatisfactory.This paper summarizes several main factors that restrict natural language retrieval and introduces a concept space method to improve its retrieval efficiency.展开更多
文摘With its advantages in information retrieval,such as simple in indexing and convenient in information retrieval,natural language is now widely used in information retrieval and network retrieval.However,due to some characteristics of the natural language itself,its retrieval result is usually unsatisfactory.This paper summarizes several main factors that restrict natural language retrieval and introduces a concept space method to improve its retrieval efficiency.