@InProceedings{sun:2009:RANLPStud, author = {Sun, Ang}, title = {A Two-stage Bootstrapping Algorithm for Relation Extraction}, booktitle = {Proceedings of the Student Research Workshop}, month = {September}, year = {2009}, address = {Borovets, Bulgaria}, publisher = {Association for Computational Linguistics}, pages = {76--82}, url = {http://www.aclweb.org/anthology/R09-2014} }