@article{hulsmann2020demand,
  title={Demand-based sensor data gathering with multi-query optimization},
  author={H{\"u}lsmann, Julius and Traub, Jonas and Markl, Volker},
  journal={Proceedings of the VLDB Endowment},
  volume={13},
  number={12},
  pages={2801--2804},
  year={2020},
  publisher={VLDB Endowment}
}