Distributed data management in sensor networks using miniDB / miniSQL

Abstract

Recent research in the domain of sensor networks demonstrated the strong need for network-centric data preprocessing in order to maximize the lifetime of typical sensor networks. This includes the feasibility to store and to retrieve data close to the origin of the measurements. We have build a database oriented approach to sensor networks that is primarily focusing on minimizing the communication overhead. In particular, an API, named miniDB, allows to store and retrieve named data in sensor nodes and an associated communication protocol, named miniSQL, can be used to identify available data and to retrieve them from any point in the network. SQL-like expressions can be used for simplified access to the data, either addressing single nodes or tables, or even the entire network. In conclusion, the system represents all necessary base functions for distributed data management operations in a network-centric manner