Overview of Classification Subtask at NTCIR-5 Patent Retrieval Task.
Makoto IwayamaAtsushi FujiiNoriko KandoPublished in: NTCIR (2005)
Keyphrases
- automatic classification
- pattern recognition
- classification accuracy
- feature extraction
- patent retrieval
- image classification
- feature vectors
- classification scheme
- information retrieval
- preprocessing
- classification algorithm
- classification systems
- machine learning methods
- decision rules
- classification process
- patent documents
- text classification
- classification models
- pattern classification
- data sets
- decision trees
- test collection
- class labels
- machine learning algorithms
- supervised learning
- training set
- feature space
- support vector
- machine learning