Research on Keywords Variations in Linguistics Based on TF-IDF and N-gram.
Yuyao LiXueyi WenXingyu LiuPublished in: J. Comput. Inf. Technol. (2022)
Keyphrases
- n gram
- tf idf
- term frequency inverse document frequency
- keywords
- text documents
- language modelling
- text classification
- bag of words
- language model
- retrieval model
- vector space model
- web documents
- information retrieval
- weighting scheme
- term frequency
- language modeling
- text categorization
- document clustering
- text mining
- user queries
- search engine
- document representation
- information extraction
- machine learning
- databases
- document retrieval
- semantic information
- data mining
- natural language processing
- query terms
- text retrieval
- neural network
- relevance feedback
- knn
- natural language
- relevance model
- similarity measure
- web pages