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Dynamic spatial information processing service automatic composition method

An automatic combination and space technology, applied in the field of spatial information processing service combination, can solve problems such as not considering combination dynamics, achieve excellent dynamics and intelligence, ensure reliability, and reduce the effect of understanding

Active Publication Date: 2013-05-15
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the spatial information processing service and its combination are a new research direction in the rise of network geographic information systems in recent years, the existing combination methods still stay at the static combination of spatial information services using the network service composition language, without considering the combination dynamic

Method used

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  • Dynamic spatial information processing service automatic composition method
  • Dynamic spatial information processing service automatic composition method
  • Dynamic spatial information processing service automatic composition method

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Embodiment Construction

[0025] see figure 1 , the present invention provides a spatial information processing service automatic combination method based on path planning, by establishing a service network directed graph for spatial information processing services; path planning is performed on the basis of the service network directed graph, including logical path model construction, path Model instantiation and service chain execution; provide distributed spatial information processing services through service chains. Specifically include the following steps:

[0026] Step 1: Establish a service network directed graph according to the semantic description of multiple spatial information processing services;

[0027]The nodes of the directed graph of the service network represent spatial information processing services. The existing technology has adopted the semantic web service technology OWL-S to describe the semantics of spatial information processing services. Therefore, the weight of the edges...

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Abstract

The invention provides a spatial information processing service automatic composition method with dynamics. The method has the following beneficial effects: relations among spatial information processing services can be more accurately established through semantic matching on the basis of semantic descriptions of the spatial information processing services; through automatic search of paths from original data to terminal user task demanded products, the hypothetical problems are solved in the network environment and a spatial information processing flow model can be automatically constructed in a dynamic manner; and the reliable service automatic composition result can be provided.

Description

technical field [0001] The invention belongs to the application field of network geographic information systems, and in particular relates to a spatial information processing service combination method. Background technique [0002] In recent years, service-oriented architecture SOA, as a new information architecture, has been gradually introduced into scientific application research. In the massive information environment carried by the network, if it is possible to intelligently search for and integrate spatial data and services, help users build complex spatial information processing procedures, and automatically or semi-automatically extract the information and knowledge users need from massive network data, it will be It makes geospatial information sharing and application services enter a new era, greatly meets the needs of society for public space information, and promotes the development of geospatial information science. In the field of general-purpose computers, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08G06F17/30
Inventor 乐鹏龚健雅狄黎平
Owner WUHAN UNIV
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