Eddies: continuously adaptive query processing
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Congressional samples for approximate answering of group-by queries
SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data
Energy-Efficient Communication Protocol for Wireless Microsensor Networks
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8 - Volume 8
Compressing historical information in sensor networks
SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
Algebraic Optimization of Data Delivery Patterns in Mobile Sensor Networks
DEXA '04 Proceedings of the Database and Expert Systems Applications, 15th International Workshop
MSWiM '04 Proceedings of the 7th ACM international symposium on Modeling, analysis and simulation of wireless and mobile systems
Synopsis diffusion for robust aggregation in sensor networks
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
TinyDB: an acquisitional query processing system for sensor networks
ACM Transactions on Database Systems (TODS) - Special Issue: SIGMOD/PODS 2003
HPEQ A Hierarchical Periodic, Event-driven and Query-based Wireless Sensor Network Protocol
LCN '05 Proceedings of the The IEEE Conference on Local Computer Networks 30th Anniversary
Distributed Cross-Layer Scheduling for In-Network Sensor Query Processing
PERCOM '06 Proceedings of the Fourth Annual IEEE International Conference on Pervasive Computing and Communications
Data Stream Query Optimization Across System Boundaries of Server and Sensor Network
MDM '06 Proceedings of the 7th International Conference on Mobile Data Management
Declarative temporal data models for sensor-driven query processing
DMSN '07 Proceedings of the 4th workshop on Data management for sensor networks: in conjunction with 33rd International Conference on Very Large Data Bases
Web 2.0 proxy: upgrading websites from web 1.0 to web 2.0
WSEAS TRANSACTIONS on COMMUNICATIONS
Location-aware event-driven query processing in sensor database management
Proceedings of the 6th ACM International Conference on Distributed Event-Based Systems
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Database management in the wireless sensor network requires features that are different from the traditional database management. Data are collected from a massively large number of battery-operated sensor nodes in a wireless network. A large amount of dynamically changing data should be temporally queried and collected from the sensor nodes of multiple layers. In this paper, we focus on devising a new query language, SNQL that is efficient in dynamic data collection and energy-saving for massively large sensor networks. To minimize the energy consumption SNQL reduces unnecessary query executions for nodes by adaptive query operations to dynamic environments. SNQL also introduces a querying mechanism of controlling the quality of collected data in association with node selection strategy to minimize the energy consumption for the entire sensor network. We show how the language constructs in SNQL achieve the intended energy efficiency and further show the performance evaluation result.