Cluster Analysis and Classification of Named Entities.
Joaquim Ferreira da SilvaZornitsa KozarevaJosé Gabriel Pereira LopesPublished in: LREC (2004)
Keyphrases
- cluster analysis
- named entities
- unsupervised learning
- named entity extraction
- named entity recognition
- categorical data
- relation extraction
- text mining
- data mining
- clustering algorithm
- clustering method
- natural language processing
- information extraction
- co occurrence
- machine learning
- k means
- training set
- pattern recognition
- decision trees
- supervised learning
- data analysis
- text classification
- hierarchical latent class models
- text documents
- data mining techniques
- semi supervised
- question answering
- principal component analysis
- high dimensional
- feature space
- feature extraction
- feature selection