Chinese Keyword Extraction Based on Word Platform

At present researches on Chinese keyword extraction mainly focus on automatic segmentation which is a pretreatment problem. This paper presents a kind of Chinese encoding method based on word platform, and establishes a new Chinese document format in computer. This method makes word the smallest information unit. Chinese keyword extraction does not rely on segmentation by this new method. Thereby the efficiency and quality could be improved. Statistical analysis is adopted to conduct the experiment of keyword extraction based on word platform, and experimental results are satisfying.