Computer Science – Artificial Intelligence
Scientific paper
1999-06-18
Samuel, Ken and Carberry, Sandra and Vijay-Shanker, K. 1999. Automatically Selecting Useful Phrases for Dialogue Act Tagging.
Computer Science
Artificial Intelligence
14 pages, published in PACLING'99
Scientific paper
We present an empirical investigation of various ways to automatically identify phrases in a tagged corpus that are useful for dialogue act tagging. We found that a new method (which measures a phrase's deviation from an optimally-predictive phrase), enhanced with a lexical filtering mechanism, produces significantly better cues than manually-selected cue phrases, the exhaustive set of phrases in a training corpus, and phrases chosen by traditional metrics, like mutual information and information gain.
Carberry Sandra
Samuel Ken
Vijay-Shanker K.
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