Unsupervised feature selection through Gram-Schmidt orthogonalization - A word co-occurrence perspective.
Deqing WangHui ZhangRui LiuXianglong LiuJing WangPublished in: Neurocomputing (2016)
Keyphrases
- unsupervised feature selection
- gram schmidt orthogonalization
- word co occurrence
- co occurrence
- feature selection
- data clustering
- keyword extraction
- dimensionality reduction
- related words
- generalized discriminant analysis
- data sets
- learning algorithm
- support vector machine
- text mining
- nonnegative matrix factorization
- keyphrase extraction