Sparsity Aware of TF-IDF Matrix to Accelerate Oblivious Document Ranking and Retrieval.
Zeshi ZhangGuangping XuHongzhang YangYulei WuPublished in: TrustCom (2023)
Keyphrases
- tf idf
- document ranking
- retrieval model
- information retrieval
- document retrieval
- probabilistic retrieval models
- language model
- language modelling
- query expansion
- vector space model
- text retrieval
- term frequency
- language modeling
- passage retrieval
- test collection
- relevance model
- relevant documents
- retrieval effectiveness
- pseudo relevance feedback
- information retrieval systems
- relevance assessments
- text categorization
- text documents
- retrieved documents
- document collections
- query terms
- relevance feedback
- average precision
- high dimensional
- ranking functions
- vector space
- retrieval systems
- n gram
- search engine
- document clustering
- ranking algorithm
- digital libraries
- machine learning
- clustering method
- feature space