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Part-or-speech tagging system, and device and method thereof for training part-or-speech tagging model

A part-of-speech tagging and part-of-speech technology, applied in special data processing applications, instruments, electronic digital data processing, etc., can solve the problem that CRF is difficult to apply part-of-speech tagging, etc., to solve the dependency problem of high-end computing resources, improve overall accuracy, reduce The effect of labor costs

Inactive Publication Date: 2010-10-20
NEC (CHINA) CO LTD
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AI Technical Summary

Problems solved by technology

[0018] The present invention introduces the technology of part-of-speech layering and classification, and combines the cascading CRFs model to solve the problem of part-of-speech tagging that traditional CRF is difficult to apply to large-scale tagging sets

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  • Part-or-speech tagging system, and device and method thereof for training part-or-speech tagging model

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Embodiment Construction

[0041] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same elements will be denoted by the same reference symbols or numerals. Also, in the following description of the present invention, detailed descriptions of known functions and configurations will be omitted to avoid making the subject matter of the present invention unclear.

[0042] Figure 1a is a schematic structural diagram of the part-of-speech tagging system according to the first embodiment of the present invention. The part-of-speech tagging training set 10 in the part-of-speech tagging system 1 includes a large amount of tagged texts, ie, tagged text collections. The part-of-speech hierarchical tree construction device 14 is used to analyze the association between parts of speech based on the tagged text in the part-of-speech tagging training set 10, and construct the part-of-speech hierarchical tree 15 according to...

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Abstract

The invention relates to a part-or-speech tagging system, which comprises a part-or-speech tagging training model, and a part-or-speech tagging device, wherein the part-or-speech tagging training model is used for training the part-or-speech tagging model lay by layer and node by node by using tagged first texts in a part-or-speech tagging training set based on a part-or-speech hierarchy tree; and the hierarchy tree device is used for tagging part-or-speech of the texts to be tagged by using the trained part-or-speech tagging . The invention also relates to a part-or-speech tagging method, and a device and a method thereof for training the part-or-speech tagging model. According to the system and the method of the invention, the part of speech in a large scale part-or-speech tagging set is tagged, and the tagging precision of part of speech is enhanced.

Description

technical field [0001] The present invention relates to the field of natural language processing, in particular to a part-of-speech tagging system, a device for training a part-of-speech tagging model and a method thereof. Background technique [0002] With the widespread popularization of the Internet and the increasing informatization of the society, the number of natural language texts that can be processed by computers has increased unprecedentedly. Processing technology is one of the core technologies to meet the above demands. Part-of-speech tagging is to mark each word in the text with the correct part of speech, which is the basis of natural language processing. Since the results of part-of-speech tagging directly affect the upper-level processing fields of natural language processing (such as word frequency statistics, syntactic analysis, chunk analysis, semantic analysis, etc.), it is very important to obtain efficient and accurate part-of-speech tagging methods a...

Claims

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Application Information

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IPC IPC(8): G06F17/27G06F17/30
Inventor 胡长建赵凯邱立坤沈国阳
Owner NEC (CHINA) CO LTD
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