Keyphrases
- np hard
- np complete
- minimum cost
- scheduling problem
- approximation algorithms
- linear programming
- optimal solution
- special case
- remains np hard
- lower bound
- greedy heuristic
- worst case
- branch and bound algorithm
- np hardness
- integer programming
- computationally challenging
- computationally hard
- set cover
- knapsack problem
- neural network
- machine learning
- databases
- polynomial time approximation
- decision problems
- information retrieval
- website
- clustering algorithm
- decision trees
- data structure