@inproceedings{benouaret_valliyur-ramalingam_charoy_2013, 
  title={Answering Complex Location-Based Queries with Crowdsourcing}, 
  DOI={10.4108/icst.collaboratecom.2013.254104}, 
  publisher={ICST}, 
  author={Benouaret and Valliyur-Ramalingam and Charoy}, 
  year={2013}
  }