@Book{BioASQ:2016,
  editor    = {Ioannis A. Kakadiaris  and  George Paliouras  and  Anastasia Krithara},
  title     = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  url       = {http://anthology.aclweb.org/W16-31}
}

@InProceedings{krithara-EtAl:2016:BioASQ,
  author    = {Krithara, Anastasia  and  Nentidis, Anastasios  and  Paliouras, Georgios  and  Kakadiaris, Ioannis},
  title     = {Results of the 4th edition of BioASQ Challenge},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {1--7},
  url       = {http://anthology.aclweb.org/W16-3101}
}

@InProceedings{zavorin-mork-demnerfushman:2016:BioASQ,
  author    = {Zavorin, Ilya  and  Mork, James  and  Demner-Fushman, Dina},
  title     = {Using Learning-To-Rank to Enhance NLM Medical Text Indexer Results},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {8--15},
  url       = {http://anthology.aclweb.org/W16-3102}
}

@InProceedings{segurabedmar-carruana-martinez:2016:BioASQ,
  author    = {Segura-Bedmar, Isabel  and  Carruana, Adri\'{a}n  and  Mart\'{i}nez, Paloma},
  title     = {LABDA at the 2016 BioASQ challenge task 4a: Semantic Indexing by using ElasticSearch},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {16--22},
  url       = {http://anthology.aclweb.org/W16-3103}
}

@InProceedings{yang-zhou-nyberg:2016:BioASQ,
  author    = {Yang, Zi  and  Zhou, Yue  and  Nyberg, Eric},
  title     = {Learning to Answer Biomedical Questions: OAQA at BioASQ 4B},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {23--37},
  url       = {http://anthology.aclweb.org/W16-3104}
}

@InProceedings{schulze-EtAl:2016:BioASQ,
  author    = {Schulze, Frederik  and  Sch\"{u}ler, Ricarda  and  Draeger, Tim  and  Dummer, Daniel  and  Ernst, Alexander  and  Flemming, Pedro  and  Perscheid, Cindy  and  Neves, Mariana},
  title     = {HPI Question Answering System in BioASQ 2016},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {38--44},
  url       = {http://anthology.aclweb.org/W16-3105}
}

@InProceedings{lee-EtAl:2016:BioASQ,
  author    = {Lee, Hyeon-gu  and  Kim, Minkyoung  and  Kim, Harksoo  and  Kim, Juae  and  Kwon, Sunjae  and  Seo, Jungyun  and  Kim, Yi-Reun  and  Choi, Jung-Kyu},
  title     = {KSAnswer: Question-answering System of Kangwon National University and Sogang University in the 2016 BioASQ Challenge},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {45--49},
  url       = {http://anthology.aclweb.org/W16-3106}
}

@InProceedings{papagiannopoulou-EtAl:2016:BioASQ,
  author    = {Papagiannopoulou, Eirini  and  Papanikolaou, Yiannis  and  Dimitriadis, Dimitris  and  Lagopoulos, Sakis  and  Tsoumakas, Grigorios  and  Laliotis, Manos  and  Markantonatos, Nikos  and  Vlahavas, Ioannis},
  title     = {Large-Scale Semantic Indexing and Question Answering in Biomedicine},
  booktitle = {Proceedings of the Fourth BioASQ workshop},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {50--54},
  url       = {http://anthology.aclweb.org/W16-3107}
}