Recognizing Reference Spans and Classifying their Discourse Facets Kun Lu author Jin Mao author Gang Li author Jian Xu author 2016-06 text Proceedings of the Joint Workshop on Bibliometric-enhanced Information Retrieval and Natural Language Processing for Digital Libraries (BIRNDL) Guillaume Cabanac editor Muthu Kumar Chandrasekaran editor Ingo Frommholz editor Kokil Jaidka editor Min-Yen Kan editor Philipp Mayr editor Dietmar Wolfram editor conference publication lu-etal-2016-recognizing https://aclanthology.org/W16-1516/ 2016-06 139 145