2386
The article also introduces a new algorithm for the boosting approach which takes advantage of the sparsity of the feature space in the parsing data .
 used for: algorithm, boosting approach; used for: sparsity of the feature space, algorithm; feature of: sparsity of the feature space, parsing data
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:  algorithm, boosting approach; sparsity of the feature space, algorithm; sparsity of the feature space, parsing data 
Answer:
 used for: algorithm, boosting approach; used for: sparsity of the feature space, algorithm; feature of: sparsity of the feature space, parsing data