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Multi-user decided spatial data query and verification method

A technology of spatial data and verification methods, applied in the field of spatial data query and verification determined by multiple users, can solve problems such as inability to apply and cannot be obtained, and achieve the effects of reducing expenses, returning small result sets, efficiency and robustness

Inactive Publication Date: 2016-08-31
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing data query methods such as k-Nearest Neighbors query and Skyline query cannot be applied to the scenario where multiple users decide, that is, a group of users cannot get a best result according to their respective locations and hobbies

Method used

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  • Multi-user decided spatial data query and verification method
  • Multi-user decided spatial data query and verification method
  • Multi-user decided spatial data query and verification method

Examples

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Embodiment 1

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Abstract

The invention discloses a multi-user decided spatial data query and verification method comprising a spatial data processing step S1, a query data giving step S2, a query initialization step S3, a data query step S4, and a data verification step S5. The multi-user decided spatial data query and verification method provided by the invention can be applied to a multi-user decided scenario. Users in a group each get a good result according to the location and hobbies thereof. An effective, complete and correct method is provided for multi-user based large-amount spatial data query and verification in a big data environment.

Description

technical field The invention relates to a method for querying and verifying spatial data decided by multiple users. Background technique With the popularization of location-based services, various organizations, companies and even individuals (referred to as DOs) begin to collect and own a large amount of spatial data; processing such a large amount of spatial data has brought great technical and economic challenges to data owners ; In the process of data management and query, DOs tend to outsource data to third parties instead of building their own technical teams and basic frameworks; because it reduces the huge burden of DOs in the data management process, data outsourcing has the potential to provide More effective and cost-effective services; in the process of data outsourcing, DO delegates its own data to a service provider (SP), and SP builds an index for the data and feeds back the user's query requirements; because the server is not within the scope of DO's managem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/2246G06F16/24575
Inventor 林劼王鹏鉴段晓冉刘铸
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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