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Heterogeneous data-oriented new engineering education knowledge graph construction method

A heterogeneous data and knowledge map technology, applied in the field of knowledge map construction, can solve various problems, such as difficult access to auxiliary information, and achieve the effect of small scale, strong robustness and practicality, and increased scale

Active Publication Date: 2021-11-26
YANGZHOU UNIV
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AI Technical Summary

Problems solved by technology

In the existing methods, the identification of image resources is often ignored, and most of the data in the form of text is used. In fact, the image resource data is often the first-hand data, which is time-sensitive. The current methods often require manual assistance to import information, but Auxiliary information is sometimes difficult to obtain and is itself very diverse

Method used

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  • Heterogeneous data-oriented new engineering education knowledge graph construction method
  • Heterogeneous data-oriented new engineering education knowledge graph construction method
  • Heterogeneous data-oriented new engineering education knowledge graph construction method

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Embodiment Construction

[0053] Such as figure 1 A new engineering education knowledge map construction method for heterogeneous data is shown, including the following steps:

[0054] Step 1) Entry of complex heterogeneous data and preliminary construction of graphs: Obtain new engineering subdivision majors, including artificial intelligence majors and intelligent manufacturing majors, use the syllabus and test scores of all courses as text data, and scan the usual homework of all courses and practice scores as image data;

[0055] Step 1.1) For the subdivision majors of new engineering: artificial intelligence major and intelligent manufacturing major, the syllabus and test scores of all courses of the major are used as text data, and a series of discrete names are obtained through entity extraction and attribute extraction of text data Entities and their attribute values, and extract the association information between entities from text data, connect entities to form a network knowledge structure...

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Abstract

The invention discloses a heterogeneous data-oriented new engineering education knowledge graph construction method. The method comprises the following steps of: 1) inputting complex heterogeneous data and preliminarily constructing a graph; 2) performing target detection in the image data of course usual homework and practice scoring according to an EfficentDet image target detection model, and obtaining position coordinates of student numbers, names and scores or scores in the image; 3) constructing an FOTS model, and performing character recognition; and 4) storing the key information into the data table to realize the construction of the knowledge graph. According to the method, target detection and image recognition algorithms can be utilized to realize information reading of heterogeneous data of new engineering subdivision majors, such as artificial intelligence majors and intelligent manufacturing majors, so that accurate information of students is obtained, and the purpose of constructing the new engineering education knowledge graph is achieved.

Description

technical field [0001] The present invention relates to the field of knowledge map construction, in particular to a construction method of new engineering education knowledge map oriented to heterogeneous data. Background technique [0002] The development of information technology is constantly promoting the transformation of Internet technology. As a symbolic technology of the Internet age, Web technology is at the core of this technological transformation. From the links of web pages to the links of data, Web technology is evolving towards the Semantic Web. The knowledge map is the foundation and bridge to realize the semantic network. Although the concept of knowledge graph is relatively new, it is not a new field. As early as many years ago, some people called for the promotion and improvement of the use of ontology models to formally express the implicit semantics in data. The emergence of knowledge graph technology is related to this. It is the sublation and sublima...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/36G06N3/04G06N3/08
CPCG06F16/367G06N3/08G06N3/045Y02P90/30
Inventor 孙小兵王志朱毅陈家合金雨扬章永龙吕红梅徐家庆
Owner YANGZHOU UNIV
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