User Value Identification Based on Improved RFM Model and K -Means++ Algorithm for Complex Data Analysis.
Jun WuLi ShiLiping YangXiaxia NiuYuanyuan Li XiaodongCuiSang-Bing TsaiYunbo ZhangPublished in: Wirel. Commun. Mob. Comput. (2021)
Keyphrases
- k means
- probabilistic model
- final result
- mathematical model
- improved algorithm
- objective function
- recognition algorithm
- selection algorithm
- algorithm employs
- classification algorithm
- learning algorithm
- cost function
- preprocessing
- detection algorithm
- theoretical analysis
- optimal solution
- cluster analysis
- filtering algorithm
- em algorithm
- tree structure
- search space
- energy function
- optimization algorithm
- clustering algorithm
- input data
- kalman filter
- data analysis
- estimation algorithm
- optimization model
- parameter estimation
- computational complexity
- recommendation algorithms
- high level
- clustering analysis
- segmentation algorithm
- user model
- self organizing maps
- user preferences
- data mining
- graph cuts
- particle swarm optimization
- maximum likelihood
- worst case
- probability distribution
- machine learning