상세정보
학술지
Spatial TinyDB: A Spatial Sensor Database System for the USN Environment
- 저자
- 김동오, Lei Liu, 신인수, 김정준, 한기준
- 발행일
- 201308
- 출처
- International Journal of Distributed Sensor Networks, v.2013, pp.1-10
- ISSN
- 1550-1329
- 출판사
- Hindawi Publishing
- 협약과제
- 13VS1300, 유전체 분석용 슈퍼컴퓨팅 시스템 개발, 최완
- 초록
- For the Ubiquitous Sensor Network (USN) environment, which generally uses spatial as well as aspatial sensor data, a sensor database system to manage these data is essential. For this reason, sensor database systems such as TinyDB and Cougar are being developed by researchers. However, as most of these systems do not support spatial data types and spatial operators for managing spatial sensor data, they are not suitable for the USN environment. Therefore, in this paper, we design and implement Spatial TinyDB which is a spatial sensor database system that extends TinyDB to support spatial data types and spatial operators for the efficient management of spatial sensor data. In particular, Spatial TinyDB provides memory management and filtering functions to reduce system overload caused by sensor data streams. Finally, we prove that Spatial TinyDB is superior by comparing its actual performance, in terms of execution time, accuracy, and memory usage, with that of TinyDB. © 2013 Dong-Oh Kim et al.
- KSP 제안 키워드
- Data type, Database systems, Memory management, Sensor data streams, Sensor database, Spatial data, execution time, memory usage, spatial operators, ubiquitous sensor network