Chinese-Lao Cross-Language Test Similarity Computing Based on WordNet

Text similarity calculation is widely used by information retrieval, question answering system, plagiarism detection and so on. At present, most research just aim at text similarity of the same language, and research on cross-language text similarity calculation is rarely, differences between languages make cross-language text similarity calculation very difficult, in view of this situation, this paper propose a WordNet-based method of Chinese-Lao cross-language text similarity calculation. First, preprocessing and feature selection for Chinese text and Lao text which in medicine, then use the semantic dictionary WordNet to convert the Chinese text and Lao text into a middle layer language, finally, compute the text similarity between Chinese and Lao in the middle layer.