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Fund similarity calculation method, system, computer apparatus and storage medium

A similarity calculation and fund technology, applied in the field of graph theory and network analysis, can solve the problem that the similarity of fund positions does not take into account the distribution of positions

Active Publication Date: 2019-03-01
PING AN TECH (SHENZHEN) CO LTD
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Problems solved by technology

[0005] Based on this, it is necessary to provide a fund similarity method for the existing knowledge graph, which has less analysis of entity similarity, and in the financial field, the calculation of the similarity of fund positions does not take into account the position distribution itself. Degree calculation method, system, computer equipment and storage medium

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  • Fund similarity calculation method, system, computer apparatus and storage medium
  • Fund similarity calculation method, system, computer apparatus and storage medium
  • Fund similarity calculation method, system, computer apparatus and storage medium

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Embodiment Construction

[0058] figure 1 It is a flow chart of the fund similarity calculation method in one embodiment of this application, such as figure 1 As shown, the flowchart includes:

[0059] S1. After extracting the fund knowledge in the information source, establish the fund knowledge metabase. The fund knowledge metabase contains multiple subgraphs, and each subgraph includes entities, relationships and attributes;

[0060] In this step, the knowledge contained in the information source is extracted through processes such as identification, understanding, screening, and induction to establish a knowledge base, which includes entities, relationships, and attributes.

[0061] S2. Fusing the fund knowledge in the fund knowledge repository according to preset rules;

[0062] In this step, the knowledge from different knowledge sources is integrated under the same framework specification, and ID identification is carried out on the entities in the knowledge base. The integration process inclu...

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Abstract

The present application relates to the field of graph theory and network analysis techniques, and in particular to a fund similarity calculation method, system, computer device and storage medium. Thefund similarity calculation method includes extracting fund knowledge from information source and establishing fund knowledge element database; fusing the fund knowledge according to preset rules andstoring the fund knowledge in a database; receiving a fund inquiry request and screening a fund entity closest to the fund inquiry request in a fund knowledge element database, wherein the fund inquiry request and the fund entity are a pair of funds; obtaining fund information of the fund pair from the fund knowledge element database to generate a corresponding bipartite graph; the preset algorithm is used to calculate the weighted similarity of the entities contained in the bipartite graph, and the results are displayed. The invention presents the fund and the stock as a bipartite graph, andcalculates the weighted similarity of the entities contained in the bipartite graph, which is helpful for mining the fund managers with similar style and the potential influence relationship betweenthe fund managers and the entities.

Description

technical field [0001] The present application relates to the technical field of graph theory and network analysis, in particular to a method, system, computer equipment and storage medium for calculating fund similarity. Background technique [0002] Knowledge graph is a very popular research field nowadays. It is essentially a semantic network, its nodes represent entities or concepts, and edges represent various semantic relationships between entities / concepts. For a knowledge base containing many entities, in addition to the information of the entities themselves, it is also necessary to pay attention to the association information between entities. One of the problems faced is: given two entities, how to judge whether they are similar and how high the degree of similarity is. [0003] The similarity between entities refers to the deep semantic similarity between entities, rather than the traditional similarity that only focuses on surface information. Judging the sim...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/36G06F16/335G06Q40/06
CPCG06Q40/06
Inventor 陈泽晖胡逸凡黄鸿顺
Owner PING AN TECH (SHENZHEN) CO LTD
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