@inproceedings{toutanova2000pos,
 author = {Kristina Toutanova and Christopher D. Manning},
 booktitle = {Joint SIGDAT Conference on Empirical Methods in Natural Language Processing and Very Large Corpora (EMNLP/VLC-2000)},
 title = {Enriching the Knowledge Sources Used in a Maximum Entropy Part-of-Speech Tagger},
 url = {https://nlp.stanford.edu/pubs/toutanova2000pos.pdf},
 year = {2000}
}