Detecting and assessing contextual change in diachronic text documents using context volatility.
Christian KahmannAndreas NieklerGerhard HeyerPublished in: CoRR (2017)
Keyphrases
- text documents
- contextual information
- text mining
- text categorization
- news articles
- text classification
- document classification
- topic models
- bag of words
- context dependent
- information extraction
- wordnet
- keywords
- named entities
- context aware
- document clustering
- automatic text categorization
- neural network
- text data
- unsupervised learning
- image classification
- dimensionality reduction
- natural language processing
- decision trees
- data mining
- tf idf
- data sets