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A design method and device for a three-dimensional sketch structure

A design method and three-dimensional technology, applied in the field of computer networks, can solve problems such as expensive calculation, inability to take into account estimation accuracy and query efficiency, and inability to perform reverse hash query.

Active Publication Date: 2021-03-26
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

gSketch is designed for edge frequency, but it can only answer queries based on edge frequency, not more complex graph structure queries
TCM and GSS are designed to preserve the graph structure and support various types of queries, but they cannot perform reverse hash queries, they are recorded by traversing the entire key space to obtain edges or nodes of interest, or storing other index tables key and its hash
gMatrix recovers keys by pruning the keyspace using modular hashing, but the process of recovering keys using modular hashing requires enumerating the items of the subkeyspace, which is computationally expensive
[0005] Therefore, the existing technology cannot take into account the problems of estimation accuracy and query efficiency

Method used

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  • A design method and device for a three-dimensional sketch structure
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  • A design method and device for a three-dimensional sketch structure

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Embodiment Construction

[0095] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0096] The design method of the three-dimensional sketch structure provided by this application can be applied in the following application environments. Construct a three-dimensional sketch structure for storing flow data information, divide each bucket in the three-dimensional bucket array into three areas, store the sum of the weight values ​​of all edges mapped to the bucket, and the key with the largest current weight mapped to the bucket and It is used to indicate to retain or replace the value of the indication counter of the key with the largest current weight, and...

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Abstract

The present application relates to a design method, device, computer equipment and storage medium of a three-dimensional sketch structure. The method includes: constructing a three-dimensional sketch structure for storing flow data information, dividing each bucket in the three-dimensional bucket array into three areas, obtaining the flow data information of the graph structure, and dividing the flow data according to hash functions corresponding to different depths. The data information is updated to the three-dimensional sketch structure. The present invention combines representative key reservation and majority voting, and the three-dimensional sketch structure constructed maintains the structure information and weight information of graph data at the same time, only updates one flow data once, has a constant probability error range guarantee, and uses a majority The voting algorithm selects the stored keys to record the most representative graph edges, which can narrow the error range and achieve reversibility to improve query efficiency.

Description

technical field [0001] The present application relates to the technical field of computer networks, in particular to a design method, device, computer equipment and storage medium for a three-dimensional sketch structure. Background technique [0002] Over the past decade, graph structures have been heavily used to model complex structured data in interactive applications, such as web traffic and social networks. As a time-varying data sequence, streaming data that retains graph structure can continuously describe entities (such as social media users) and connections between entities (such as interactions between users), and become an important tool for network anonymity detection, community discovery, etc. basis of the service. However, analyzing massive streaming data in real time is quite challenging. For example, each link in a large ISP or data center processes approximately millions of packets per second. Faced with such a situation, traditional data structures such...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/22G06F16/2455G06F16/2458
CPCG06F16/2255G06F16/2264G06F16/2272G06F16/24568G06F16/2462
Inventor 蔡志平侯昌盛侯冰楠周桐庆胡罡
Owner NAT UNIV OF DEFENSE TECH
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