Sensor network system and data retrieval method for sensing data
First Claim
1. A sensor network system comprising:
- distributed servers for storing data transmitted from a plurality of sensor nodes and a management server connected with the distributed servers and user terminals through a first network, wherein the management server has a model table having an information link pointer indicating model names previously set and corresponding data link pointers, the distributed servers store data transmitted from the plurality of sensor nodes, and the management server acquires data corresponding to information demanded from the user terminals among data stored in the distributed servers from the distributed servers based on the information link pointer and responds to the user terminals.
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Abstract
This invention enables to easily retrieve real-time information from a large number of sensors connected to a network. The sensor network system of this invention includes distributed data processing servers for collecting data from plural sensors at a predetermined frequency, a management server for maintaining a location of sensor data, user terminals for requesting data to the management server, and a first network for connecting with the management server, user terminals and plural distributed data processing servers. The management server includes a model table having model names previously set and information link pointers for indicating which distributed data processing server collects data corresponding to the model names, and a search engine for acquiring data requested by the user terminals from the distributed data processing servers corresponding to the information link pointers based on the model table and for responding to the user terminals with the data.
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Citations
17 Claims
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1. A sensor network system comprising:
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distributed servers for storing data transmitted from a plurality of sensor nodes and a management server connected with the distributed servers and user terminals through a first network, wherein the management server has a model table having an information link pointer indicating model names previously set and corresponding data link pointers, the distributed servers store data transmitted from the plurality of sensor nodes, and the management server acquires data corresponding to information demanded from the user terminals among data stored in the distributed servers from the distributed servers based on the information link pointer and responds to the user terminals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A data retrieval method for sensing data for retrieving, from user terminals, data transmitted from a plurality of sensor nodes, the data retrieval method comprising:
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a step for storing in distributed servers the data sent from the plurality of sensor nodes, a step for setting information link pointers for indicating model names previously set and link pointers of data corresponding to the model names, a step for a management server connected through a network with the distributed servers and the user terminal to accept the reference requests for data acquired from the user terminals, and a step for the management server to acquire data from the distributed servers set as the information link pointers based on the data reference request from among the data stored in the distributed servers and to respond to the user terminal. - View Dependent Claims (10, 11, 12, 13)
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14. A program for acquiring data from distributed servers for storing data transmitted from a plurality of sensor nodes based on data reference requests accepted from user terminals to execute:
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a process of setting a location of data transmitted from the sensor nodes as an information link pointer indicating a previously set model name and a link pointer of data corresponding to the model name, a process of accepting the data reference requests from the user terminals, and a process of acquiring data of distributed servers corresponding to the information link pointer based on the data reference requests from the data stored in the distributed servers and responding to the user terminals. - View Dependent Claims (15, 16, 17)
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Specification