@article{introductiontotheconll2003sharedtask,
  title = {Introduction to the CoNLL-2003 Shared Task: Language-Independent Named Entity Recognition},
  author = {Erik F. Tjong Kim Sang and Fien De Meulder},
  year = {2003},
  eprint = {cs/0306050},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/cs/0306050v1},
}