Patent knowledge graph construction method based on object agent database

A technology of object proxy and knowledge graph, applied in data processing applications, electrical digital data processing, special data processing applications, etc., can solve problems such as difficult representation of patent relationships, low efficiency of big data nodes, and intricate patent relationships, etc., to achieve Reduce table join operations, avoid large data nodes, and improve modeling effects

Inactive Publication Date: 2019-08-23
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, there are following difficulties in the construction of patent knowledge graphs. The relationship between patents is intricate, and it is difficult to express the relationship between patents.
In addition, the existing knowledge graph storage methods, such as RDF storage such as N-triples and relational databases, will generate a large number of table self-join operations during query, which is inefficient, and the efficiency of graph databases on big data nodes during query will be reduced relatively low

Method used

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  • Patent knowledge graph construction method based on object agent database
  • Patent knowledge graph construction method based on object agent database
  • Patent knowledge graph construction method based on object agent database

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Embodiment

[0032] The invention provides a method for constructing a patent knowledge map with an object agent model. Hereinafter, the technical description of the present invention will be described by taking partial knowledge information in the patent field as an example.

[0033] Step 1, use the source class of the object proxy to construct basic class information. In the modeling of the patent knowledge graph, the patent information is reasonably divided, and the following seven basic categories are established. Patent (Patent), Applicant (Applicant), Inventor (Inventor), International Classification (Ipc), Abstract (Abstract), Keyword (Keyword) and Public Status (Status) categories. Such as figure 1 , which is the basic information of the basic category of patents, including various application numbers (an) and other information.

[0034] Step 2, use the basic classes built in step 1 to build various relationship classes. For the construction of specialized relationships,...

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Abstract

The invention brand-new proposes a patent knowledge graph construction method based on an object agent database, and the method comprises the steps: firstly achieving the storage of basic classes through employing a source class in an object agent, and then completing the modeling of a relation class through employing four agent classes. On the basis, the construction of the query is realized by utilizing the cross-class query statement. Compared with a current knowledge graph mode, the multi-level semantic association can be better expressed, the connection operation of the data table is reduced, and the query efficiency is improved.

Description

technical field [0001] The invention relates to a method for constructing a patent knowledge graph based on an object proxy database. Background technique [0002] As a special field of knowledge, the field of patents has the following characteristics. The amount of data is large. According to the data of the National Patent Office, as of June 15, 2018, the number of patent applications in China alone has reached more than 45 million; the technology is high, and patent data are the core creation technologies in various fields. Every patent All contain cutting-edge technologies in their fields. The development trend and status of patents have great reference value for the strategic layout of an enterprise. Facing such complicated and huge patent data, how to effectively use the knowledge contained in it is a problem worth studying. [0003] Knowledge graph, as a new type of data storage mode, has been greatly developed in various fields. A reasonable and effective knowledg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/36G06F17/27G06Q50/18
CPCG06F16/367G06Q50/184G06F40/284
Inventor 彭智勇柯礼迅刘斌王黎维王飞
Owner WUHAN UNIV
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