Large-scale space vector data management method based on content access network

A space vector, large-scale technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problem of insufficient scalability and achieve the effect of improving load balance and enhancing scalability

Inactive Publication Date: 2009-07-08
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

However, it requires professionals to use complex software technology and hardware equipment to proceed smoothly, so the scalability is not strong enough
How to reduce the complexity of the space vector data management expansion model has become an urgent problem to be solved in the management of large-scale space vector data

Method used

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  • Large-scale space vector data management method based on content access network
  • Large-scale space vector data management method based on content access network
  • Large-scale space vector data management method based on content access network

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Embodiment Construction

[0049]Hereinafter, the embodiments of the present invention will be described more fully with reference to the accompanying drawings. Without loss of generality, for the convenience of presentation, it is assumed that spatial objects are described in a two-dimensional space.

[0050] figure 1 It is a schematic flow chart of the CAN-based large-scale space vector data storage method provided by the present invention, including three steps: step 11 constructs CAN; step 12 establishes a spatial object index; step 13 stores the spatial object in CAN. Combine below figure 2 , image 3 with Figure 4 A detailed description of each step.

[0051] figure 2 According to an embodiment of the present invention figure 1 Step 11 in the detailed description of the process of constructing CAN, the process is:

[0052] Step 21. Map the background coordinate space R of the space object to the virtual coordinate space of CAN, that is, set the virtual coordinate space of CAN to R. Among them, ...

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Abstract

The invention provides a method for managing large-scale space vector data based on a content access network, and high expansibility of a management mode of the space vector data is obtained by adopting a storage method based on CAN. The effect of rapid retrieval of the space vector data is achieved by adopting a retrieval method based on the CAN and the spatial range of a quadtree. The load balancing degree in the entire space vector data management process is further promoted by adopting the load balancing algorithm, and the expansibility of large-scale space vector data management behaviors based on CAN is enhanced.

Description

Technical field [0001] The invention relates to a space vector data management method, in particular to a large-scale space vector data storage and retrieval method based on a content-addressable network (Content-Addressable Network, CAN for short). Background technique [0002] Spatial data is one of the supporting elements of typical geographic information system applications in modern geographic information systems, such as location information services, intelligent transportation, real estate information services, logistics management, and urban infrastructure management. Research on spatial data management methods is to control and regulate modern geographic information The basic requirements for the dynamic balance and sustainable development of material flow, energy flow and human flow in space. [0003] Spatial data model is a concept that describes spatial entities and their relationships in the real world. It is a basic method for studying spatial data organization and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 景宁左怀玉陈荦吴秋云李军唐宇钟志农熊伟王钧薛丹程果
Owner NAT UNIV OF DEFENSE TECH
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