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.ppt ( قابل ویرایش و آماده پرینت )
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1
Report of Advanced Data Base Topics Project
Instructor : Dr. rahgozar
euhanna ghadimi, Ali abbasi , kave pashaii
Data Storage selection in sensor networks
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Outline
1. Introduction
Definition, Applications, Differences, Storage
2. Queries
2.1. Querying in Cougar
2.2. Querying in TinyDB
2.3. In-network Aggregation
3. Other Issues
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Introduction
From a data storage point of view, a sensor network database :
“a distributed database that collects physical measurements about the environment, indexes them, and serves queries from users and other applications external to or from within the network”
Research in sensor network databases:
relatively new
can benefit from current efforts in data streams and P2P networks
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Embed numerous distributed devices to monitor and interact with physical world: in work-spaces, hospitals, homes, vehicles, and “the environment” (water, soil, air…)
Network these devices so that they can coordinate to perform higher-level tasks.
Requires robust distributed systems of tens of thousands of devices.
The long term goal
پاورپوینت درمورد Data Storage selection in sensor networks
