A General Purpose Phenotype Algorithm for Venous Thromboembolism Using Billing Codes and Natural Language Processing.
Eugenia R. McPeek HinzLisa BastaracheJoshua C. DennyPublished in: HISB (2012)
Keyphrases
- general purpose
- natural language processing
- experimental evaluation
- dynamic programming
- detection algorithm
- computational complexity
- learning algorithm
- np hard
- search algorithm
- search space
- segmentation algorithm
- worst case
- expectation maximization
- theoretical analysis
- computational cost
- optimization algorithm
- classification algorithm
- convergence rate
- single pass
- machine learning
- data sets
- significant improvement
- association rules
- preprocessing
- probabilistic model
- objective function
- optimal solution
- special purpose
- recognition algorithm
- decision trees
- times faster
- similarity measure
- gene expression
- evolutionary algorithm
- high accuracy
- k means
- information extraction