Using Random Walks for Question-focused Sentence Retrieval Jahna Otterbacher author Güneş Erkan author Dragomir Radev author 2005-10 text Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing Raymond Mooney editor Chris Brew editor Lee-Feng Chien editor Katrin Kirchhoff editor Association for Computational Linguistics Vancouver, British Columbia, Canada conference publication otterbacher-etal-2005-using https://aclanthology.org/H05-1115/ 2005-10 915 922