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Internet data query method

A data query and Internet technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of less support and difficult query, and achieve the effect of good navigation ability

Inactive Publication Date: 2011-08-03
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, SPARQL provides very little support for navigation, which makes some queries difficult

Method used

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Embodiment Construction

[0029] reference figure 1 , An Internet data query method, the steps are as follows:

[0030] (1) The navigation agent creates the basic map of the data set navigation;

[0031] (2) The user inputs a path expression to the navigation agent;

[0032] (3) The navigation agent iteratively performs operations such as transfer, jump, and search according to the path expression;

[0033] (4) The navigation agent outputs the obtained interconnected data results to the user.

[0034] For example, we hope to infer who might buy books in the field of artificial intelligence based on FOAF information (friend relationship information), bibliographic information and book reviews. The specific implementation steps are as follows:

[0035] (1) The scope of the user's query is the interconnected data set M;

[0036] (2) The user wants to inquire about books that Mia may purchase. The user converts query and reasoning conditions into navigation constraint rules, and sets Mia as the starting point of na...

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Abstract

The invention relates to an internet data query method which is characterized by comprising the following steps: (1) a navigation agency establishes the foundation drawing of data set navigation; (2) a user inputs a path expression to the navigation agency; (3) the navigation agency iteratively carries out the operations such as transference, skip, search and the like according to the path expression; and (4) the navigation agency outputs the obtained internet data result to the user. The method provided by the method realizes the semi-automatic semanteme navigation based on the internet data and provides a good navigation capacity for query. The user can restrain the rule and course of the navigation by defining the path expression. The method provided by the invention can query to obtain an internet data set which is needed by the user through navigation, can do some reasoning work and provides a new method for querying and reasoning the internet data.

Description

Technical field [0001] The invention relates to the field of information retrieval, in particular to an internet data query method. Background technique [0002] The interconnected data consists of a large number of interconnected RDF (Resource Description Framework) diagrams. There are four rules for interconnecting data: (1) Use URI as the name of things; (2) Use HTTP URI; (3) Provide useful information in RDF; (4) RDF links to other URIs can be included. Internet data is regarded as an open distributed database on the Internet. Interconnected data can be represented by an RDF data set, which is a collection of RDF named graphs. RDF graph can be expressed as a set of RDF triples (s, p, o), or as a directed graph with labels . [0003] To process and apply massive amounts of interconnected data, we must first solve the query problem of interconnected data. W3C recommends using SPARQL to query semantic web data. The data format of RDF is a labeled directed graph, so SPARQL is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 陈华钧张湘豫于彤
Owner ZHEJIANG UNIV