A Multi-level Framework for Memory-Based Translation Aid Tools Stelios Piperidis author Christos Malavazos author Ioannis Triantafyllou author 1999-nov 10-11 text Proceedings of Translating and the Computer 21 Aslib London, UK conference publication piperidis-etal-1999-multi https://aclanthology.org/1999.tc-1.6/ 1999-nov 10-11