From: Exploiting feature extraction techniques on users’ reviews for movies recommendation
k = 20 | k = 40 | k = 60 | k = 80 | k = 100 | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
prec@10 | MAP | prec@10 | MAP | prec@10 | MAP | prec@10 | MAP | prec@10 | MAP | ||
ML-100k | Heuristic terms | 0.1041 | 0.0656 | 0.1059 | 0.0671 | 0.1021 | 0.0673 | 0.1039 | 0.0675 | 0.1024 | 0.0676 |
Classification terms | 0.1043 | 0.0658 | 0.1051 | 0.0671 | 0.1044 | 0.0675 | 0.1048 | 0.0676 | 0.1042 | 0.0677 | |
Heuristic aspects | 0.0951 | 0.0597 | 0.0956 | 0.0604 | 0.0947 | 0.0601 | 0.0950 | 0.0597 | 0.0946 | 0.0594 | |
Hierarchy aspects | 0.0997 | 0.0643 | 0.0977 | 0.0647 | 0.0993 | 0.0642 | 0.0979 | 0.0637 | 0.0979 | 0.0633 | |
HetRec ML | Heuristic terms | 0.1057 | 0.0256 | 0.1105 | 0.0270 | 0.1144 | 0.0277 | 0.1160 | 0.0271 | 0.1174 | 0.0273 |
Classification terms | 0.1047 | 0.0258 | 0.1125 | 0.0274 | 0.1159 | 0.0280 | 0.1169 | 0.0270 | 0.1180 | 0.0273 | |
Heuristic aspects | 0.0910 | 0.0219 | 0.0991 | 0.0237 | 0.1038 | 0.0246 | 0.1053 | 0.0250 | 0.1054 | 0.0252 | |
Hierarchy aspects | 0.1062 | 0.0242 | 0.1060 | 0.0262 | 0.1105 | 0.0272 | 0.1143 | 0.0277 | 0.1159 | 0.0260 |