A Distant Supervision Approach for Identifying Perspectives in Unstructured User-Generated Text Attapol Thamrongrattanarit author Colin Pollock author Benjamin Goldenberg author Jason Fennell author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication thamrongrattanarit-etal-2013-distant https://aclanthology.org/I13-1119/ 2013-10 922 926