Graph Based Semi-Supervised Approach for Information Extraction Hany Hassan author Ahmed Hassan author Sara Noeman author 2006-06 text Proceedings of TextGraphs: the First Workshop on Graph Based Methods for Natural Language Processing Rada Mihalcea editor Dragomir Radev editor Association for Computational Linguistics New York City conference publication hassan-etal-2006-graph https://aclanthology.org/W06-3802/ 2006-06 9 16