Retrieval for Text Streams by Random Projection.
Hirohito Oh'uchiTakao MiuraIsamu ShioyaPublished in: ISTA (2004)
Keyphrases
- random projections
- text streams
- dimension reduction
- image reconstruction
- sparse representation
- random sampling
- original data
- dimensionality reduction
- information retrieval
- principal component analysis
- image retrieval
- digital libraries
- learning algorithm
- information retrieval systems
- clustering method
- topic models
- event detection
- high dimensionality
- news articles
- feature extraction
- search engine
- machine learning