Query-Focused Multi-Document Summarization Using Co-Training Based Semi-Supervised Learning Po Hu author Donghong Ji author Hai Wang author Chong Teng author 2009-12 text Proceedings of the 23rd Pacific Asia Conference on Language, Information and Computation, Volume 1 Olivia Kwong editor City University of Hong Kong Hong Kong conference publication hu-etal-2009-query https://aclanthology.org/Y09-1021/ 2009-12 190 199