An Analysis of Questions in a Q&A Site Resubmitted Based on Indications of Unclear Points of Original Questions Masahiro Kojima author Yasuhiko Watanabe author Yoshihiro Okada 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 kojima-etal-2011-analysis https://aclanthology.org/I11-1167/ 2011-11 1428 1431