@inproceedings{klein2002conditional,
 author = {Dan Klein and Christopher D. Manning},
 booktitle = {Empirical Methods in Natural Language Processing (EMNLP)},
 title = {Conditional Structure versus Conditional Estimation in NLP Models},
 url = {https://nlp.stanford.edu/pubs/klein2002conditional.pdf},
 year = {2002}
}