Multilingual Spectral Clustering Using Document Similarity Propagation Dani Yogatama author Kumiko Tanaka-Ishii author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication yogatama-tanaka-ishii-2009-multilingual https://aclanthology.org/D09-1091/ 2009-08 871 879