Justsystem at NTCIR-5 Patent Classification.
Tetsuya TashiroMasaki RikitokuTakashi NakagawaPublished in: NTCIR (2005)
Keyphrases
- pattern recognition
- preprocessing
- automatic classification
- pattern classification
- classification method
- machine learning
- patent retrieval
- support vector
- feature space
- classification scheme
- classification accuracy
- support vector machine
- training set
- test collection
- classification process
- data sets
- feature extraction
- decision trees
- classification algorithm
- classification systems
- image classification
- intellectual property
- patent search
- evaluation metrics
- decision rules
- benchmark datasets
- training samples
- supervised learning
- learning algorithm
- information retrieval
- neural network