@inproceedings{qian-zhou-2010-clustering, title = "Clustering-Based Stratified Seed Sampling for Semi-Supervised Relation Classification", author = "Qian, Longhua and Zhou, Guodong", editor = "Li, Hang and M{\`a}rquez, Llu{\'i}s", booktitle = "Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2010", address = "Cambridge, MA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/D10-1034/", pages = "346--355" }