🔎 VBPR — VLM & CNN (Top-10)

Dataset: MovieLens 1M | Model: VBPR | Top-N: 10

Each section corresponds to a different visual encoder. Rows are the modality/fusion variant: audio, visual, text, pca_90, cca_40.

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🧩 10 Epochs

Visual OpenCLIP + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2315	11.2937	0.2167	0.3271	0.7667	0.7481	0.0000	0.0187	2.9594	2.6859	0.2686	0.1162
visual	0.2496	11.0438	0.2273	0.2804	0.7604	0.7304	0.0000	0.0233	2.9439	2.7842	0.2784	0.1305
text	0.2412	10.9604	0.2210	0.2719	0.7785	0.6652	0.0000	0.0261	2.9302	2.7341	0.2734	0.1239
pca_90	0.2366	11.2486	0.2174	0.3108	0.7683	0.7793	0.0000	0.0218	2.9552	2.6831	0.2683	0.1205

Visual Sig2Lip-base + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2443	11.1350	0.2262	0.2985	0.7647	0.8652	0.0000	0.0239	3.0158	2.6701	0.2670	0.1269
visual	0.2501	11.0575	0.2285	0.2868	0.7671	0.7259	0.0000	0.0259	2.9942	2.7877	0.2788	0.1306
text	0.2434	11.0611	0.2234	0.2592	0.7833	0.6874	0.0000	0.0219	2.8584	2.7284	0.2728	0.1248
pca_90	0.2243	11.0128	0.2077	0.2715	0.7802	0.8178	0.0000	0.0283	2.8460	2.5499	0.2550	0.1121
cca_40	0.2398	10.9527	0.2202	0.3043	0.7490	0.8563	0.0000	0.0272	3.2483	2.7209	0.2721	0.1233

Visual SigLip-base + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2634	11.6951	0.2626	0.3988	0.7677	0.8704	0.0000	0.0176	2.7733	2.4827	0.2483	0.1441
visual	0.2691	11.7901	0.2620	0.4269	0.7656	0.7675	0.0000	0.0151	2.9011	2.5515	0.2551	0.1490
text	0.2397	11.8323	0.2390	0.4436	0.7761	0.7778	0.0000	0.0141	2.8981	2.3303	0.2330	0.1265
pca_90	0.2424	11.7128	0.2400	0.3979	0.7714	0.8519	0.0000	0.0148	2.8187	2.3583	0.2358	0.1287
cca_40	0.2676	11.6929	0.2615	0.4263	0.7488	0.9177	0.0000	0.0176	3.1253	2.5540	0.2554	0.1480

Visual Dino-v2-large + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2480	10.9619	0.2293	0.2631	0.7660	0.8444	0.0000	0.0265	2.9799	2.7259	0.2726	0.1285
visual	0.2480	11.0000	0.2261	0.2564	0.7762	0.6652	0.0000	0.0262	2.8660	2.7798	0.2780	0.1293
text	0.2456	10.9186	0.2233	0.2653	0.7738	0.7156	0.0000	0.0258	2.7431	2.7618	0.2762	0.1275
pca_90	0.2343	10.9903	0.2126	0.2688	0.7798	0.7867	0.0000	0.0280	2.8005	2.6275	0.2627	0.1193
cca_40	0.2503	11.0393	0.2291	0.3053	0.7366	0.8756	0.0000	0.0275	3.3575	2.8008	0.2801	0.1305

Visual Dino-v2-base + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2358	11.0975	0.2145	0.2702	0.7663	0.7570	0.0000	0.0224	2.9252	2.6678	0.2668	0.1203
visual	0.2425	10.9873	0.2242	0.2631	0.7767	0.7096	0.0000	0.0268	2.8832	2.7205	0.2721	0.1248
text	0.2404	10.9118	0.2208	0.2591	0.7825	0.6859	0.0000	0.0269	2.7389	2.7104	0.2710	0.1234
pca_90	0.2367	10.9338	0.2155	0.2592	0.7764	0.7289	0.0000	0.0283	2.8834	2.6579	0.2658	0.1215
cca_40	0.2456	11.1145	0.2259	0.3381	0.7410	0.8933	0.0000	0.0256	3.3349	2.7581	0.2758	0.1277

Visual CLIP + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2374	11.1817	0.2150	0.2984	0.7648	0.7481	0.0000	0.0215	2.9852	2.6923	0.2692	0.1214
visual	0.2536	11.1786	0.2349	0.2935	0.7700	0.7852	0.0000	0.0228	2.8731	2.8030	0.2803	0.1328
text	0.2306	11.0898	0.2107	0.2667	0.7860	0.6400	0.0000	0.0221	2.5969	2.6300	0.2630	0.1165
pca_90	0.2323	10.9821	0.2134	0.2680	0.7732	0.8237	0.0000	0.0278	2.9539	2.6014	0.2601	0.1180
cca_40	0.2334	11.1568	0.2155	0.3214	0.7408	0.8785	0.0000	0.0241	3.3436	2.6787	0.2679	0.1189

Visual CNN MMTF + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.2333	11.1032	0.2166	0.2972	0.7676	0.8296	0.0000	0.0244	2.9771	2.6263	0.2626	0.1176
visual	0.2220	11.3707	0.2030	0.3339	0.7738	0.6267	0.0000	0.0196	2.8274	2.5857	0.2586	0.1109
text	0.2444	11.0139	0.2260	0.2627	0.7747	0.7126	0.0000	0.0273	2.8429	2.7482	0.2748	0.1259
pca_90	0.2279	11.0740	0.2089	0.3051	0.7565	0.7674	0.0000	0.0289	3.3164	2.6327	0.2633	0.1146

🧩 2 Epochs

Visual CNN MMTF + Audio (BLF) MMTF + Text RAG-Plus (Llama LLM)

Modality	NDCG@N	Novelty	Recall@N	Fairness	Diversity	Coverage@N	Cold Start Rate	Pop. Bias	Cal. Bias	Hit Rate	Precision	MAP
audio	0.1985	10.6393	0.1753	0.2446	0.7790	0.4756	0.0000	0.0286	3.2023	2.3549	0.2355	0.0965
visual	0.1511	10.9327	0.1364	0.2250	0.8229	0.2948	0.0000	0.0251	3.2146	1.9237	0.1924	0.0673
text	0.1804	10.4595	0.1621	0.2118	0.8087	0.3244	0.0000	0.0334	3.0101	2.1720	0.2172	0.0845
cca_40	0.2181	11.0609	0.1983	0.2681	0.7779	0.6756	0.0000	0.0247	3.2498	2.5459	0.2546	0.1088
pca_95	0.1784	10.7542	0.1589	0.2318	0.8082	0.3748	0.0000	0.0331	3.0514	2.1542	0.2154	0.0838