Keyphrases
- worst case
- mathematical model
- preprocessing
- learning algorithm
- matching algorithm
- computational cost
- neural network
- k means
- web search
- optimization algorithm
- detection algorithm
- clustering method
- feature selection
- estimation algorithm
- search space
- computational complexity
- np hard
- dynamic programming
- similarity measure
- metadata
- text mining
- simulated annealing
- document collections
- web pages