VALUTAZIONE RECOMMENDER AGENT — LightFM Ibrido
Algoritmo: WARP, no_components=10, 30 epochs
Features: categorie + 5 fasce prezzo

--- Content-Based (modello completo) ---
Category Coherence@8: 1.0000
Macro-cat Coherence@8: 0.9388
Sotto-cat Coherence@8: 0.8324

--- Collaborative (leave-one-out, modello riaddestrato su train) ---
Hit Rate@8: 0.0080 (8/1000)
nDCG@8: 0.0058
Hit Rate@20: 0.0130 (13/1000)
nDCG@20: 0.0071
Hit Rate@50: 0.0200 (20/1000)
nDCG@50: 0.0085
Hit Rate@100: 0.0240 (24/1000)
nDCG@100: 0.0092
MRR: 0.0059