6993
Then we propose a novel data mining method to efficiently discover the optimal co-occurrence pattern with minimum empirical error , despite the noisy training dataset .
 used for: data mining method, optimal co-occurrence pattern; feature of: minimum empirical error, optimal co-occurrence pattern; used for: noisy training dataset, data mining method
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  data mining method, optimal co-occurrence pattern; minimum empirical error, optimal co-occurrence pattern; noisy training dataset, data mining method 
Answer:
 used for: data mining method, optimal co-occurrence pattern; feature of: minimum empirical error, optimal co-occurrence pattern; used for: noisy training dataset, data mining method