OPTWIMA: Comparing Knowledge-rich and Knowledge-poor Approaches for Sentiment Analysis in Short Informal Texts.

Alexandra Balahur

Published in: SemEval@NAACL-HLT (2013)

Keyphrases

knowledge rich
sentiment analysis
opinion mining
knowledge acquisition
text classification
sentiment classification
domain knowledge
multi aspect
knowledge based systems
semi structured
sentence level
knowledge representation
knowledge base
natural language processing
database
prior knowledge
machine learning