Subword Clusters as Light-Weight Interlingua for Multilingual Document Retrieval Udo Hahn author Kornel Marko author Stefan Schulz author 2005-sep 13-15 text Proceedings of Machine Translation Summit X: Papers Phuket, Thailand conference publication hahn-etal-2005-subword https://aclanthology.org/2005.mtsummit-papers.3/ 2005-sep 13-15 17 24