An evaluation method and evaluation system for Chinese name recognition system
A recognition system and evaluation method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of time-consuming manual statistics, too few evaluation times, and fixed names that are not representative, and improve the recognition algorithm. , the effect of resolving errors
Inactive Publication Date: 2012-02-01
BEIJING UNIV OF TECH
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Problems solved by technology
[0005] (1) It is time-consuming, laborious and inevitable to make manual statistics every time
[0006] (2) The number of sentences and fixed names are not representative, and the statistical results are not sufficient to objectively reflect the accuracy and recall of the recognition system
[0007] (3) The number of evaluations is too small, which cannot reflect the stability of the system well
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[0042] The method and system of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0043] Such as figure 1 As shown in the dashed box, the Chinese name recognition evaluation system of the present invention includes a first storage module, a second storage module, a third storage module, a fourth storage module, a judgment module, an evaluation index calculation module, and a display module. The Chinese name recognition evaluation system can be realized by a computer.
[0044] figure 2 Show the flow chart of Chinese name recognition system evaluation method of the present invention, below in conjunction with figure 1 The method and system of the present invention are described in detail.
[0045] Such as figure 2 As shown, the evaluation file is generated in step 1. The evaluation file is a text file used to evaluate the Chinese name recognition system. The evaluation file comes from the sente...
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An evaluation method for a Chinese name recognition system and the field of natural language processing of the evaluation system. The evaluation method includes: an evaluation file generation step, extracting a specified number of sentences from the sentence database, and replacing each name in the sentence with the name in the name database to generate an evaluation file; recording data step, recording the line of the sentence in the evaluation file number, each name in the sentence and the starting position of the name in the sentence; the identification step is to use the Chinese name recognition system to be evaluated to identify the name of the evaluation file; the judgment step is to compare the recognition results and records according to the pre-set judgment standards The data is compared to determine whether the name recognition system correctly recognizes the name; the evaluation index calculation step is to form an evaluation index for evaluating the Chinese name recognition system according to the judgment result of the judgment step. The invention realizes the automation of the evaluation of the Chinese name recognition system, makes different recognition systems comparable, and discovers the problems existing in the recognition algorithms.
Description
Technical field: [0001] The invention relates to an evaluation method for a Chinese name recognition system, which belongs to the field of natural language processing. Background technique: [0002] With the development of information technology, especially the rapid development of the Internet in recent years, a large number of new information has emerged, and the data on the Web is increasing at a rate of several million pages per day. At present, the Web has become one of the main means for human beings to obtain information. In the face of massive, large-scale, unstructured language text information, how to quickly and effectively obtain the required information and knowledge has become the focus of natural language processing research. Named entity recognition, especially Chinese name recognition, plays an important role in the application fields of information retrieval, information extraction, machine translation and text classification, and can significantly improve...
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IPC IPC(8): G06F17/27G06F17/30
Inventor 李玉鑑张德栋杨震
Owner BEIJING UNIV OF TECH