Knowledge graph library construction method and device, computer storage medium and electronic equipment
A knowledge base and construction method technology, applied in the field of digital resource processing, can solve problems such as waste of manpower, large influence of human subjective factors, omission of knowledge points, etc., and achieve the effect of reducing workload and reducing the amount of manually labeled data.
Inactive Publication Date: 2019-12-20
GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1
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Problems solved by technology
[0003] The existing knowledge database construction method is usually to manually screen and determine the candidate words of knowledge points, which has the problems of wasting manpower, missing knowledge points, and being greatly affected by human subjective factors; or extracting knowledge points through supervised learning requires manual Labeled data, "supervision" provided by humans, there is a problem of large amount of manually labeled data
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[0050] In order to make the purpose, technical solution and advantages of the present application clearer, the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.
[0051] It should be clear that the described embodiments are only some of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0052] When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects ...
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The invention relates to a knowledge graph library construction method and device, a computer storage medium and electronic equipment. The knowledge graph library construction method comprises the following steps: extracting seed knowledge points matching a preset syntax template from a corpus text; training a deep feedforward network model according to the corpus text, and performing back propagation to obtain a word vector of each entry in a word bank, wherein the entries comprise the seed knowledge points; and extracting entries of which the similarity with the seed knowledge points reachesa preset threshold value as extended knowledge points through similarity calculation, and constructing a knowledge graph library according to the seed knowledge points and the extended knowledge points. The knowledge graph library construction method provided by the invention has the advantages of reducing the manual annotation data volume and improving the completeness degree of knowledge pointextraction.
Description
technical field [0001] The present application relates to the field of digital resource processing, in particular to a method, device, computer storage medium and electronic equipment for constructing a knowledge base. Background technique [0002] Today, with the development of online learning resources, in order to build a complete knowledge structure for learners, knowledge points are extracted from learning resources, and the knowledge base is constructed using the dependencies between knowledge points, which is beneficial for learners to more comprehensively grasp what they have learned. [0003] The existing knowledge database construction method is usually to manually screen and determine the candidate words of knowledge points, which has the problems of wasting manpower, missing knowledge points, and being greatly affected by human subjective factors; or extracting knowledge points through supervised learning requires manual Labeled data is provided by humans to prov...
Claims
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IPC IPC(8): G06F16/36G06N3/04G06N3/08
CPCG06F16/367G06N3/084G06N3/045G06N3/044
Inventor 王键
Owner GUANGZHOU SHIYUAN ELECTRONICS CO LTD