Method, System and Device for Extracting Compound Words of Pathological location in Medical Texts Based on Word-Formation

Abstract The present invention discloses a method for extracting compound words of pathological locations in medical texts based on the word-formation method. The possible morphemes included in the compound words of pathological locations in Chinese are summarized manually at first and they are taken as initial values of the compound word set. They may be ordinal words, numbers, directional words, directional collocation words, body location words, body location collocation words, substance words, adjectives, conjunction words and information words, and it is found that the compound words of pathological locations are composed of two or more of them. In the process of learning new morpheme words from a candidate compound words, the number of the learned morpheme words are limited to two words or less than two, and the learned morphemes should be in the minority of the whole compound words. In process of learning new compound words, the given morphemes are iteratively set to match the candidate compound words, and in this way a large number of compound location words are extracted, for example, lower left kidney. This invention completes the extraction of compound words of body locations in pathological indexes, which helps the extraction of subsequent pathological indexes, and the extracted structured pathological information is important for doctors to assist in diagnosing diseases. Drawings of Description Extracting Compound Words of Pathological location in Medical Texts Based on Word-Formation loain aen a odfrainmto W Or rQn o rD 0rD Figure1IA block diagram of asystem module of asystem for extracting compound words of pathological locations based on aword-formation method