A Big Data Text Coverless Information Hiding Based on Topic Distribution and TF-IDF.
Jiaohua QinZhuo ZhouYun TanXuyu XiangZhibin HePublished in: Int. J. Digit. Crime Forensics (2021)
Keyphrases
- big data
- tf idf
- information hiding
- text documents
- information retrieval
- topic models
- text mining
- cloud computing
- data analysis
- term frequency
- text categorization
- business intelligence
- vector space model
- data processing
- keywords
- data management
- document clustering
- knowledge discovery
- retrieval model
- social media
- ranking algorithm
- data hiding
- data warehousing
- text classification
- text data
- information extraction
- wordnet
- test collection
- web documents
- association rules
- jpeg images
- semantic information
- database
- clustering algorithm
- data mining