@inproceedings{bethardetal2004,
title = {Automatic Extraction of Opinion Propositions and their Holders},
address = {Stanford, US},
author = {Steven Bethard and Hong Yu and Ashley Thornton and Vasileios Hatzivassiloglou and Dan Jurafsky},
booktitle = {Proceedings of the AAAI Spring Symposium on Exploring Attitude and
Affect in Text: Theories and Applications},
editor = {James G. Shanahan and Janyce Wiebe and Yan Qu},
url = {http://www.stanford.edu/~jurafsky/SS404BethardS.pdf},
year = {2004},
keywords = {analysis sentiment subjectivity }
}
::