Bipolar Person Name Identification of Topic Documents Using Principal Component Analysis.
Chien Chin ChenChen-Yuan WuPublished in: COLING (2010)
Keyphrases
- principal component analysis
- document set
- document content
- expert finding
- multi document summarization
- person names
- topic specific
- topic segmentation
- document collections
- principal components
- topic discovery
- document clustering
- text documents
- topic modeling
- dimensionality reduction
- latent topics
- document retrieval
- information retrieval
- textual content
- linear discriminant analysis
- independent component analysis
- covariance matrix
- relevant documents
- low dimensional
- information retrieval systems
- automatic summarization
- related topics
- feature extraction
- xml documents
- topic hierarchy
- topic models
- news stories
- word frequency
- cross document
- text corpora
- document representation
- document classification
- document level
- document summaries
- concept space
- query topic
- face recognition
- vector space
- focused crawling
- metadata
- related documents
- topic detection
- high density
- latent dirichlet allocation
- positive and negative
- text mining
- news articles
- singular value decomposition
- user queries
- feature space
- statistical topic models