This paper put forwards a step by step index strategy, then analyzes the word items model and defines constraint terms in the word item extraction, at last designs the word item extraction algorithms.
蔡代纯 . 基于统计模型的逐步求精标引策略[J]. 现代图书情报技术, 2006, 1(6): 39-42.
Cai Daichun . The Step by Step Index Strategy Based on Statistics Model. New Technology of Library and Information Service, 2006, 1(6): 39-42.