Relevance Feedback using Latent Information Jun Harashima author Sadao Kurohashi author 2011-11 text Proceedings of 5th International Joint Conference on Natural Language Processing Haifeng Wang editor David Yarowsky editor Asian Federation of Natural Language Processing Chiang Mai, Thailand conference publication harashima-kurohashi-2011-relevance https://aclanthology.org/I11-1116/ 2011-11 1037 1045