Pan, Yi-ChengYi-ChengPanLIN-SHAN LEE2020-06-112020-06-112007https://scholars.lib.ntu.edu.tw/handle/123456789/498653Type-II dialogue systems for information access from unstructured knowledge sources.conference paper10.1109/ASRU.2007.4430170https://doi.org/10.1109/ASRU.2007.4430170