Extracting Semantic Frames from Thai Medical-Symptom Unstructured Text with Unknown Target-Phrase Boundaries 論文 Peerasak INTARAPAIBOON・Ekawit NANTAJEEWARAWAT・Thanaruk THEERAMUNKONG ·2011 ·『IEICE Transactions on Information and Systems』 E94.D(3) pp. 465-478 doi:10.1587/transinf.E94.D.465