@inproceedings{klein2001hypergraphs,
 author = {Dan Klein and Christopher D. Manning},
 booktitle = {7th International Workshop on Parsing Technologies (IWPT-2001)},
 title = {Parsing and Hypergraphs},
 url = {https://nlp.stanford.edu/pubs/klein2001hypergraphs.pdf},
 year = {2001}
}