753
Experimental results are presented to compare LNMF with the NMF and PCA methods for face representation and recognition , which demonstrates advantages of LNMF .
 compare: LNMF, NMF and PCA methods; used for: LNMF, face representation and recognition; used for: NMF and PCA methods, face representation and recognition; evaluate for: face representation and recognition, LNMF
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 compare: LNMF, NMF and PCA methods; used for: LNMF, face representation and recognition; used for: NMF and PCA methods, face representation and recognition; evaluate for: face representation and recognition, LNMF