Keyphrases
- low frequency
- text corpora
- high frequency
- text corpus
- text mining
- frequency domain
- computational linguistics
- text analysis
- subband
- wavelet transform
- text documents
- word pairs
- document collections
- topic modeling
- wavelet coefficients
- concept hierarchy
- text collections
- topic models
- machine learning
- frequency band
- high resolution
- natural language processing
- multiscale
- text classifiers
- text classification
- image compression
- information retrieval systems
- multiresolution
- feature vectors
- similarity measure
- image processing
- computer vision
- artificial intelligence