Comparison of methods for topic classification in a speech-oriented guidance system.
Rafael TorresShota TakeuchiHiromichi KawanamiTomoko MatsuiHiroshi SaruwatariKiyohiro ShikanoPublished in: INTERSPEECH (2010)
Keyphrases
- classification systems
- preprocessing
- benchmark data sets
- machine learning methods
- classification method
- benchmark datasets
- machine learning
- pattern recognition
- significant improvement
- cross validation
- image classification
- topic models
- data sets
- computational cost
- feature extraction
- decision trees
- feature selection
- higher classification accuracy
- classification decisions
- robust classification
- accurate classification
- multiclass classification
- machine learning algorithms
- neural network