Istituto di Scienza e Tecnologie dell'Informazione     
Amato G., Baronti P., Chessa S. Query optimization for wireless sensor network databases in the MadWise system. In: XV Convegno Nazionale su Sistemi Evolutivi per Basi di Dati. SEBD 2007 (Fasano, Brindisi, 17-20 Giugno 2007). Atti, pp. 242 - 249. M. Ceci, D. Malerba, L. Tanca (eds.). Sagraf srl - Z.I, 2007.
We propose a comprehensive approach to distributed query processing in wireless sensor networks. In our proposal we reinterpret the classical approach to database system design according to the wireless sensor networks context, and we redefine the aspects related to the definition of a query language, data model, query algebra, and query optimization strategies. We show that our approach en- ables optimizations of the query plan which may reduce the costs, in terms of consumed energy, of orders of magnitude.
Subject Wireless sensor networks
Query processing
C.2.2 Network Protocols

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