Fact versus Opinion Questions Classification and Answering: Challenges and Keys.
Alexandra BalahurEster BoldriniAndrés MontoyoPatricio Martínez-BarcoPublished in: IC-AI (2009)
Keyphrases
- classification accuracy
- support vector
- feature space
- real world
- pattern recognition
- feature vectors
- pattern classification
- lessons learned
- data sets
- classification systems
- training set
- open questions
- classification scheme
- automatic classification
- classification method
- classification algorithm
- class labels
- benchmark datasets
- training samples
- text classification
- feature extraction
- decision trees
- machine learning
- knn
- key issues
- classification rate
- data mining