Investigative queries in sensor networks

Sensor networks have widespread range of applications these days. New computing locations, new needs and fresh applications have instigated new problems and exciting challenges. The view of sensor network as a distributed database and the sensor node as a table is being widely accepted by the database community. There now exists wide variety of data models and query processing methods to acquire data from sensor networks. This paper identifies a new class of query, named the investigative query, owing to needs of few special applications. Classifying sensor network query processing from communication perspective, defining the new class of query and architecture requirements for processing the same, this paper gives an application of those queries in urban water distribution management and concludes with future directions