Approximate TF-IDF based on topic extraction from massive message stream using the GPU.
Ugo ErraSabrina SenatoreFernando MinnellaGiuseppe CaggianesePublished in: Inf. Sci. (2015)
Keyphrases
- tf idf
- topic extraction
- document clustering
- text documents
- vector space model
- text analysis
- text mining
- document collections
- document classification
- clustering algorithm
- clustering method
- information retrieval
- text categorization
- k means
- learning algorithm
- information extraction
- retrieval systems
- retrieval model
- high dimensional
- keywords
- artificial intelligence