Finding structure in noisy text: topic classification and unsupervised clustering.
Premkumar NatarajanRohit PrasadKrishna SubramanianShirin SaleemFred ChoiRichard M. SchwartzPublished in: Int. J. Document Anal. Recognit. (2007)
Keyphrases
- unsupervised clustering
- supervised classification
- clustering method
- information retrieval
- image segmentation
- clustering algorithm
- k means
- feature extraction
- fuzzy c means
- supervised learning
- pattern classification
- semi supervised clustering
- pattern recognition
- feature selection
- text classification
- text documents
- knn
- decision boundary
- machine learning
- model selection
- unsupervised learning
- spectral clustering
- image classification
- pairwise constraints