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Information management device, information management method, and information management program

An information management device and a technology for spatial information, applied in the field of information management devices, can solve problems such as huge data volume and the like

Pending Publication Date: 2020-09-29
NIPPON TELEGRAPH & TELEPHONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the IoT device is a mobile device such as a vehicle, a drone, or a smartphone, the actual acquired data corresponds to time information and location information (time-space information), so the amount of data is huge

Method used

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  • Information management device, information management method, and information management program
  • Information management device, information management method, and information management program
  • Information management device, information management method, and information management program

Examples

Experimental program
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Effect test

Embodiment approach 1

[0053] Embodiment 1 of the present invention will be described. figure 1 It is a figure which shows an example of the structure of the information management system in Embodiment 1.

[0054] Such as figure 1 As shown, the information management system 1 according to Embodiment 1 includes a data transmission device 10 , a space-time information management device 20 (information management device), a data storage system 30 , and a terminal device 40 . The spatio-temporal information management device 20 is connected to the data transmission device 10, the data storage system 30, and the terminal device 40 through a network or the like.

[0055] The data transmission device 10 is an IoT device. The data sending device 10 is, for example, a mobile device such as a vehicle, a drone, or a smart phone. The data transmission device 10 transmits the data acquired while moving to the spatiotemporal information management device 20 . The data transmitting device 10 transmits to the s...

Embodiment approach 2

[0178] Embodiment 2 of the present invention will be described. Figure 22It is a figure which shows an example of the structure of the information management system in Embodiment 2.

[0179] Such as Figure 22 As shown, the information management system 201 of Embodiment 2 has a data storage system 230, and a plurality of nodes 1 to N in the data storage system 230 work in a cluster structure. The information management system 201 includes a spatiotemporal information management device 220 (information management device) having a storage unit 224 and a search unit 225 . The spatio-temporal information management device 220 obtains the data transmitted by the data transmission device 10 (for example, figure 2 list L1) is stored in the data storage system 230 for management. The spatiotemporal information management device 220 outputs, from the data stored in the data storage system 230 , corresponding data corresponding to the range condition of the spatiotemporal informat...

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PUM

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Abstract

A spatiotemporal information management device (20) is an information management device for managing spatiotemporal information in a distributed manner at a plurality of nodes, the spatiotemporal information management device having: a storage unit (24) which converts and divides spatiotemporal information into a one-dimensional bit string, stores a front bit string of the converted one-dimensional bit string at least in a key, and stores a rear bit string and corresponding data in the value of said key at a storage destination node; and a search unit (25) which converts and divides a range condition of the spatiotemporal information of a search object into a one-dimensional bit string, runs a search for a key from a node to be searched by using at least the divided front bit string, runsa search for a value corresponding to the divided rear bit string from the value of the searched key, and outputs corresponding data including in the searched value as a search result.

Description

technical field [0001] The present invention relates to an information management device, an information management method, and an information management program. Background technique [0002] With the advent of the IoT (Internet of Things, Internet of Things) era, data obtained from IoT devices is used in various ways via the network. When the IoT device is a mobile device such as a vehicle, a drone, or a smartphone, the actual acquired data corresponds to time information and position information (time-space information), so the amount of data is huge. Accordingly, operators who handle data of IoT devices require a database system that can appropriately store a huge amount of data and that can retrieve data from these data efficiently and at high speed using spatiotemporal information. [0003] Therefore, a relational database management system (RDBMS) has conventionally been proposed that manages stored data in the form of a table and supports general-purpose searches in...

Claims

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Application Information

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IPC IPC(8): G06F16/00G06F12/00
CPCG06F16/9537G06F16/2255G06F16/2264G06F16/22G06F16/23G06F16/284G06F16/2455
Inventor 矶村淳久保贵司内藤一兵卫花馆蔵之
Owner NIPPON TELEGRAPH & TELEPHONE CORP
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