Table 2: MAPs (%) and P@10s (%) of semantic image retrieval over all 1581 semantic queries on NUS-WIDE. MAP scores and P@10 scores are given in the format MAP/P@10.

MethodAll concepts
Query concept length
2 3 4

TagProp 5.5/13.8 5.5/14.9 5.2/12.8 4.5/9.8
FastTag 9.8/27.7 9.9/28.7 9.0/25.4 8.1/22.3
VGG14.4/36.414.8/38.313.4/34.712.3/30.0
DBM14.2/36.914.3/38.913.2/34.712.2/30.1
GoogLeNet15.6/37.016.4/39.114.4/34.913.1/31.1
Ours17.8/42.618.0/44.316.5/41.1 15.4/35.8