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Frontier technology information quick pushing method and system based on cosine distance

A technology based on cosine distance and science and technology, which is applied in the field of rapid push of cutting-edge scientific and technological information based on cosine distance, and can solve the problems of information redundancy and false positives at the cutting-edge of science and technology

Active Publication Date: 2018-02-02
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
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  • Application Information

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Problems solved by technology

Although this method can find the latest scientific and technological information, it is very easy to cause redundancy and omission of scientific and technological frontier information: 1) Due to the existence of a large number of mirroring and reprinting after simple modification between scientific and technological websites and literature databases, Therefore, a large number of duplicate or similar articles will be pushed to the client

Method used

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  • Frontier technology information quick pushing method and system based on cosine distance
  • Frontier technology information quick pushing method and system based on cosine distance
  • Frontier technology information quick pushing method and system based on cosine distance

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Embodiment Construction

[0058] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the...

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Abstract

The invention discloses a frontier technology information quick pushing method and system based on cosine distance. The method comprises two steps of construction of a cosine distance index and information pushing; firstly, scientific and technological information articles are crawled and stored into a scientific and technological information database, and indexes are established for the crawled scientific and technological information articles; then, through quickly comparison of newly increased articles and original articles of the database, whether or not same or similar articles exist is queried, whether or not the contents of the newly increased articles are pushed is judged, and if not, the newly increased articles are selected and pushed to users. The system comprises a cosine distance index module, the scientific and technological information database and an information pushing module. According to the frontier technology information quick pushing method and system based on cosine distance, similarity redundancy of the frontier scientific and technological information which is pushed to the users is avoided, similarity judgement of the articles can be accelerated by adopting cosine distance indexes, and the frontier information is pushed to the users in time.

Description

technical field [0001] The invention relates to the technical field of network data push, in particular to a cosine distance-based fast push method and system for cutting-edge scientific and technological information. Background technique [0002] Scientific and technological intelligence has played an important role in the formulation and implementation of the strategy, plan and implementation of the country, society and enterprises. With the rapid development of science and technology, the needs of various industries and departments of society for intelligence information are more urgent, and scientific and technological information is considered to be a key link in economic construction, scientific research, design, production, operation management, and marketing. [0003] The rise and popularization of the Internet has made the acquisition of scientific and technological information faster and easier. However, it is time-consuming and difficult to find the latest cutting...

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/3331G06F16/9535
Inventor 马艳齐达立陈玉峰陈素红曹建梅邹立达
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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