1. Al-Onaizan, Y., Curin, J., Jahr, J., Knight, K., Lafferty, J., Melamed, D., Och, F.-J., Purdy, D., Smith, N. A., & Yarowski, D. (1999). Statistical Machine Translation. Final Report. Johns Hopkins University Text, Speech, and Dialog Workshop 1999. Available: http://www.clsp.jhu.edu/ws99/final/Stat_Machine_Translation.pdf
2. Statistical methods for cross-language information retrieval;Ballesteros,1998
3. Cross-language evaluation forum: objectives, results, achievements;Braschler;Information Retrieval,2004
4. Chen, A., & Gey, F. C. (2003). Experiments on cross-language and patent retrieval at NTCIR-3 workshop. In NTCIR workshop 3: Proceedings of third NTCIR workshop on research in information retrieval, question answering and summarization, Tokyo, Japan, October 2001–October 2002. NII, Tokyo. Available: http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings3/NTCIR3-CLIR-ChenA.pdf
5. Multilingual information retrieval using machine translation, relevance feedback and decompounding;Chen;Information Retrieval,2004