Knowledge graph based OPC UA information model automatic construction method for heterogeneous devices integration.
Xiaobin LiShucheng ZhangPei JiangMikun DengXi Vincent WangChao YinPublished in: Robotics Comput. Integr. Manuf. (2024)
Keyphrases
- prior knowledge
- statistical information
- automatic construction
- prior information
- statistical model
- mathematical model
- expert knowledge
- probabilistic model
- missing information
- final result
- similarity measure
- reasoning process
- domain knowledge
- em algorithm
- linear model
- bayesian framework
- cost function
- objective function
- additional knowledge
- optimization method
- test data
- concept hierarchy
- topological information
- semantically rich
- modeling method
- energy function
- classification method
- background knowledge
- parameter estimation
- reconstruction method
- theoretical analysis
- input data
- conceptual model
- information extraction
- gaussian distribution
- domain experts
- autoregressive
- clustering method
- statistical methods
- expectation maximization
- intensity information
- search engine