method,dbpedia_accuracy,factbench Random,0.149 ± 0.005,0.519 ± 0.011 PredicatePrior,0.390 ± 0.038,0.490 ± 0.008 PaTyBRED,0.162 ± 0.012,0.636 ± 0.019 SDValidate,0.150 ± 0.005,0.656 ± 0.004 TransE,0.134 ± 0.004,0.576 ± 0.025 ComplEx,0.133 ± 0.002,0.514 ± 0.009 CAGED,0.127 ± 0.004,0.558 ± 0.017 SHACL-only (C),0.144 ± 0.007,0.617 ± 0.018 Structure-only (S),0.242 ± 0.014,0.510 ± 0.009 Structure-support (S_sup),0.176 ± 0.006,0.707 ± 0.021 Text-mention (T),0.175 ± 0.005,0.583 ± 0.013 NLI-only (N),0.235 ± 0.014,0.775 ± 0.020 LLM zero-shot (Qwen2.5-7B),0.263 ± 0.014,0.765 ± 0.013 Semantic-only (M),0.209 ± 0.010,0.606 ± 0.013 WeightedSum C+S+M,0.263 ± 0.019,0.746 ± 0.022 KGGuard,0.294 ± 0.010,0.746 ± 0.022 KGGuard-LR (ext.),0.288 ± 0.018,0.761 ± 0.021 "GBDT (supervised, all features)",0.452 ± 0.054,0.924 ± 0.005 KGGuard+,0.443 ± 0.038,0.864 ± 0.015 PredicatePrior (cross-fit),0.403 ± 0.037,0.489 ± 0.008 "GBDT (cross-fit, all features)",0.487 ± 0.042,0.925 ± 0.010 "GBDT (cross-fit, all features + web)",0.502 ± 0.045,0.984 ± 0.004 KGGuard+ (cross-fit),0.481 ± 0.036,0.866 ± 0.017 "KGGuard+W (cross-fit, + web evidence)",0.494 ± 0.040,0.928 ± 0.009 KGGuard+ + LLM evidence (ext.),0.474 ± 0.034,0.885 ± 0.010