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A Method of Automatic Semantic Extraction for Web Data Exchange

A data exchange and data exchange format technology, applied in the field of data exchange, can solve the problems of automatic conversion into semantic web structured data, manual creation of web data exchange, etc., and achieve the effect of semantic fusion, good adaptability and scalability

Active Publication Date: 2017-02-08
CHINA INFORMATION TECH SECURITY EVALUATION CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a method and system for automatic semantic extraction oriented to Web data exchange, which can solve the problem that the structured tags of Web content in the prior art need to be manually created and Web data exchange cannot be automatically converted into semantic web structured tags. data problem

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  • A Method of Automatic Semantic Extraction for Web Data Exchange
  • A Method of Automatic Semantic Extraction for Web Data Exchange
  • A Method of Automatic Semantic Extraction for Web Data Exchange

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Embodiment Construction

[0017] The method proposed in this paper takes advantage of the nested characteristics of data object key-value pairs in the JSON data exchange format, extracts the attributes of Web data layer by layer, performs semantic expansion on the attributes to form a structured semantic description with semantic constraints, and uses Semantic Web technology to Data and values ​​are modeled, and finally ontology models and examples are formed. The overall framework of the method is as follows: figure 1 shown.

[0018] figure 1 Framework of Semantic Extraction Method for Web Data Interchange Format

[0019] Key technologies in the process

[0020] ●JSON parsing

[0021] The web service returns a JSON object to the data request of the application. The method first parses the transmitted data based on the key-value pair, and parses the nested key-value elements into a set of triples. JSON parsing is a preprocessing process of semantic extraction. The parsing content includes keywords...

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Abstract

The invention discloses an automatic semanteme extraction method for Web data exchange. The automatic semanteme extraction method for Web data exchange comprises the steps that the data exchange format of a JSON object is obtained and is analyzed based on key value pairs of the object, a triple is obtained, and the unique identification of a data object in the triple is obtained; the triple is mapped into a body and a living example according to the triple, and a body classification system and multiple body data sets are obtained. By the adoption of the automatic semanteme extraction method for Web data exchange, the problems that in the pror art, a structural label of Web content needs to be established manually and Web data can not be converted into semanteme structural data automatically are solved.

Description

technical field [0001] The invention relates to the technical field of data exchange, in particular to an automatic semantic extraction method and system for Web data exchange. Background technique [0002] The current research on the structure of Web data mainly includes Microformat, Microdata, and Resource Description Framework in Attributes (RDFa). Among them, Microformat transmits metadata by reusing existing Hypertext Markup Language (HTML) / Extensible Hypertext Markup Language (XHTML) tags or certain attributes of Web pages, marking events, people, places and other content. Microdata is a subset of the fifth-generation Hypertext Markup Language (HTML5), which is a specification for semantic description of Web content. The Microdata tag format is used for machine semantic parsing and understanding of web page data. RDFa is a framework recommended by W3C to embed metadata in HTML, XHTML and other XML-based documents. Metadata is realized through attributes. [0003] Mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/36G06F16/80
Inventor 姚原岗刘晖易锦陈海强赵向辉李维杰偰赓刘林张磊
Owner CHINA INFORMATION TECH SECURITY EVALUATION CENT