Trigoni, NikiYao, YongDemers, AlanGehrke, JohannesRajaraman, RajmohanDadam, PeterReichert, Manfred2019-10-112019-10-1120043-88579-380-6https://dl.gi.de/handle/20.500.12116/28797A powerful database abstraction for sensor networks has recently emerged in which clients program the sensors using a declarative query language. Existing work assumes that data is either pushed from sensor nodes to a gateway, or data is pulled from the gateway through queries. We show that hybrid push-pull data dissemination outperforms the pure approaches and offers significant energy savings.enText/Conference Paper1617-5468