Sensor network query processor

Short description: User-friendly interface for programming and running applications

A sensor network query processor (SNQP), also called a sensorDB, is a user-friendly interface for programming and running applications which translates instructions from declarative programming language with high-level instructions to low-level instructions understood by the operating system. The basic idea of SNQP is the addition of a layer modeling the WSN as a distributed database searchable by a query language similar to SQL.[1][2]

## Contents

* 1 TinyDB
* 2 QLowpan
* 3 References
* 4 External links

## TinyDB

TinyDB is a query processing system for extracting information from a network of TinyOS sensors. Unlike existing solutions for data processing in TinyOS, TinyDB does not require embedded C code for sensors. Instead, TinyDB provides a simple, SQL-like interface to specify the data desired, along with additional parameters, as the rate at which data should be refreshed— much like a traditional database.[3] Given a query specifying data interests, TinyDB collects that data from motes in the environment, filters it, aggregates it, and routes it to a PC. TinyDB does this via power-efficient in-network processing algorithms.

## QLowpan

QLowpan is a sensor network queries processor for resource-constrained sensor devices. In order to guarantee interoperability between the different platforms, QLowpan is based on RPL/6LoWPAN protocol. It is the first sensor network queries processor which is compatible with 6lowpan protocol.[4]

## References

1. ↑ Fathallah, Karim; Frihida, Ali; Ben-hadj-Alouane, Nejib "Wireless Sensor Network Queries Processor: a survey", The International Conference on Information Processing and Wireless Systems (IP-WiS), Jerba, Tunisia March 2013
2. ↑ Johannes Gehrke and Samuel Madden "Query Processing In Sensor Networks", Pervasive Computer, 2004
3. ↑ SAMUEL R. MADDEN, MICHAEL J. FRANKLIN, JOSEPH M. HELLERSTEIN, WEI HONG, "TinyDB: an acquisitional query processing system for sensor networks", Journal ACM Transactions on Database Systems (TODS),Volume 30 Issue 1, March 2005
4. ↑ Karim Fathallah, Ali FRIHIDA,Leila BEN SAAD, Nejib Ben HADJ-ALOUANE, Bernard tourancheau," QLowpan: A Queries Processor Over RPL/6lowpan Based Sensors Networks", International Conference on Automation, Control, Engineering and Computer Science (ACECS'14),sousse, March 2014.

## External links

* TinyDB official website

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