Method for constructing thyroid ultrasound domain ontology

A field ontology, thyroid technology, applied in the field of thyroid ultrasound, can solve the problems of unfavorable storage and deep mining of clinical information, and achieve the effect of assisting disease diagnosis and treatment

Pending Publication Date: 2019-07-30
DONGHUA UNIV +1
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Problems solved by technology

But now medical ultrasound reports are mostly unstructured, and there are a lot of narrative text information, which is very unfavorable for

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  • Method for constructing thyroid ultrasound domain ontology
  • Method for constructing thyroid ultrasound domain ontology
  • Method for constructing thyroid ultrasound domain ontology

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Embodiment Construction

[0038] In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings.

[0039] The technical solution of the present invention is to firstly perform data preprocessing on the thyroid ultrasound report, that is, segment and sentence processing, and then perform a self-defined dictionary word segmentation on it, and use dependency syntax rules to extract entities contained in the thyroid ultrasound report. Then, the dependency syntax analysis is performed on each clause to obtain the dependency relationship in each clause. Then use the rule-based method combined with the dependency relationship to obtain the semantic relationship, so as to obtain the semantic tree of thyroid ultrasound report. The overall steps are as follows:

[0040] Step 1. Data preprocessing. Data preprocessing mainly includes segmenting, dividing into blocks, and dividing into sentences for the thyroid ultrasound report.

[0041...

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Abstract

The invention relates to a method for constructing a thyroid ultrasound domain ontology, which is characterized by comprising the following steps: step 1, carrying out data preprocessing on a thyroidultrasound report; step 2, performing entity extraction; step 3, extracting a dependency relationship; 4, extracting a semantic relation; and 5, constructing a thyroid ultrasound field body. In a thyroid ultrasound report, the main concern lies in the lesion condition of thyroid and thyroid lesions, and the knowledge of other tissues or gene levels of a human body are not needed to be concerned too much, so that a medical ontology suitable for the thyroid ultrasound field is constructed on the basis of anatomy. Useful diagnosis and treatment information can be better extracted from an ultrasonic report by applying the thyroid ultrasound domain ontology, so that a doctor can be better assisted in disease diagnosis and treatment.

Description

technical field [0001] The invention relates to a method for constructing an ontology semantic tree in the field of thyroid ultrasound. Background technique [0002] Ultrasound examination report is the carrier for recording the image results of ultrasound imaging examination. Thyroid ultrasonography is a common thyroid examination item. Doctors use ultrasonography to examine the thyroid and its surroundings. The imaging manifestations of thyroid ultrasonography describe the thyroid and thyroid lesions separately. It is useful for patient diagnosis and disease analysis and prediction. has a very important role. But most of the current medical ultrasound reports are unstructured, and there are a lot of narrative text information, which is very unfavorable for the storage and deep mining of the clinical information contained in them, so it is particularly important to structure the ultrasound reports. [0003] Ontology learning is a research hotspot in the field of semantic ...

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Application Information

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IPC IPC(8): G06F16/36
CPCG06F16/367Y02A90/10
Inventor 陈德华毛莹董屹婕乐嘉锦
Owner DONGHUA UNIV
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