Class library plays the vital role in the construction of compiler by object-oriented method and lexical analysis class library is an important part of object-oriented compiling class library.

With an example of PL/0,a construction method of lexical analysis class library and syntax parsing class library was put forward by using the analysis of universe of discourse.

This paper introduces the definition and the structure of classified word and classified lexicon, and expounds the general method of the formation of the words in the classified lexicon and some usages of the classified lexicon.

Method of co-term clustering analysis and multi-dimension analysis were employed.

A construction method of lexical analysis class library and syntax parsing class library;

Statistical Chinese Lexical Analysis and Its Reinforcement Learning Mechanism;

The study of lexical analysis for military documents is the base of documents automatic processing.

As long as the original algorithm of syntax analysis is slightly modified,it can be used for lexical analysis.

For solving morphology analysis method of different expressions including digits and numerals for computer translation, this paper analyzes of correlative languages materials and sums up characters of such expressions.

To resolve morphology analysis problem of expressions including numerals for Internet Real-time Browsing Translation System, this paper analyzes correlative language materials and sums up characters of such expressions.

Source language analysis is core of MT, and includes morphology analysis, parsing and semantic analysis.