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Word meaning and word co-occurrence information fused research frontier identification method and equipment

A recognition method and co-occurrence technology, applied in semantic analysis, natural language data processing, instruments, etc., can solve problems such as poor timeliness, time lag of citation analysis methods, and ignoring research frontiers

Active Publication Date: 2021-04-09
TSINGHUA UNIV +2
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Problems solved by technology

[0004] 1) The subjectivity of expert judgment is strong, and at the same time, the knowledge of experts is limited, and there may be huge deviations between expert judgment and objective facts
[0005] 2) The expert judgment method needs to coordinate many experts to discuss and make decisions, which consumes huge manpower and material resources, and its timeliness is also relatively poor
However, citation analysis methods have a time lag and may overlook potential research fronts

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  • Word meaning and word co-occurrence information fused research frontier identification method and equipment
  • Word meaning and word co-occurrence information fused research frontier identification method and equipment
  • Word meaning and word co-occurrence information fused research frontier identification method and equipment

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Embodiment Construction

[0057] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0058] A preferred research frontier recognition method for integrating word semantics and word co-occurrence information in this embodiment, the main idea is to combine semantic knowledge and co-occurrence relationships to form a semantic co-occurrence network, and then perform knowledge mining through topological clustering algorithms, Finally, the identification of research frontiers is carri...

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Abstract

The invention belongs to the technical field of data mining and utilization, and discloses a word meaning and word co-occurrence information fused research frontier identification method and equipment. The method comprises the following steps: carrying out time slicing on paper data; extracting technical keywords from the paper data of the single time slice; counting the co-occurrence frequency of the technical keywords to construct a word co-occurrence network; forming a semantic similarity network according to the similarity of the technical keywords; fusing the word co-occurrence network and the semantic similarity network to construct a semantic co-occurrence network, and clustering the technical keywords into a plurality of clusters; clustering the semantic co-occurrence networks of all the time slices; performing similarity calculation on the clusters of the adjacent time slices to form a topic evolution venation graph; meanwhile, the research theme which is short in theme age, high in theme development rate and high in theme popularity is the leading-edge theme, and the popular technology in the leading-edge theme is the research leading edge. According to the invention, research frontier identification can be carried out more objectively and accurately.

Description

technical field [0001] The invention belongs to the technical field of data mining and utilization, and more specifically relates to a research frontier identification method and equipment that integrate word semantics and word co-occurrence information. Background technique [0002] In today's world, science and technology have developed to an unprecedented height. Global scientific and technological innovation presents new development trends and characteristics. A deep understanding and accurate grasp of the frontiers of scientific and technological development and innovation trends in the field play a vital role in the forward-looking deployment of innovation strategies and the optimal allocation of innovation resources. Research frontiers are the most potential, forward-looking and leading research directions in the process of technological innovation. Effectively identifying the frontiers of development in the field can make effective predictions about future research ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F40/30G06F40/284G06F40/253
CPCG06F40/30G06F40/284G06F40/253
Inventor 周源刘宇飞谢力陈吉红郑文江
Owner TSINGHUA UNIV
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