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Sequential Recommendation on Amazon Reviews 8 Domains

89.4NDCG@10 (Avg)

MergeRec (Domain-wise)

Updated 3d ago

Evaluation Results

Method
MergeRec (Domain-wise) 2026.01	89.4	96.27	84.65	80.68	78.21	94.07	98.97	88.13	90.48
MergeRec (Layer-wise) 2026.01	88.62	93.4	85.08	78.27	77.58	94.8	99.58	89.95	90.66
TIES 2026.01	87.64	94.09	81.66	80.6	82.07	92.36	96.49	83.51	76.81
MergeRec (Layer-wise) 2026.01	86.65	87.64	88.94	79.21	74.91	91.43	104.19	87.27	79.87
MergeRec (Domain-wise) 2026.01	86.07	87.31	76.54	79.14	76.87	94.5	100.48	80.36	84.97
Weight Averaging 2026.01	85.84	86.37	81.64	76.44	74.6	94.63	98.7	91.35	88.87
TIES 2026.01	85.74	85.71	87.92	76.38	83.56	89.96	97.93	90.85	72.04
Task Arithmetic 2026.01	85.7	93.6	80	77.58	77.38	91.6	94.56	81.75	77.75
TIES 2026.01	85.6	87.16	79.61	76.52	81.25	91.95	97.59	80.72	80.11
MergeRec (Layer-wise) 2026.01	85.37	86.18	77.32	77.77	75.39	93.82	101	81.55	83.87
MergeRec (Domain-wise) 2026.01	84.46	86.73	85.69	78.68	72.36	87.45	100.83	86.61	77.22
Task Arithmetic 2026.01	84.08	86.47	75.99	76.05	76.37	91.85	99.52	78.08	75.53
Weight Averaging 2026.01	83.15	82.88	76.42	75.67	70.29	92.37	99.68	82.7	86.2
Joint Learning 2026.01	81.67	81	80.58	85.57	75.84	92.12	71.85	85.25	97.07
Weight Averaging 2026.01	81.5	83.19	83.57	71.84	67.74	90.68	98.42	84.7	76.31
MergeRec (Layer-wise) 2026.01	79.18	81.23	84.3	66.94	70.26	81.88	93.35	81.73	77.47
Joint Learning 2026.01	78.48	79.94	97.16	79.19	67.59	88.03	68	92.07	92.08
MergeRec (Domain-wise) 2026.01	78.3	81.33	81.78	65.59	70.51	78.22	92.14	79.46	78.36
Weight Averaging 2026.01	78.13	78.59	85.53	67.01	64.7	85.65	94.62	82.03	75.85
Joint Learning 2026.01	75.76	72.09	75.48	66.5	66.67	86.94	87.67	85.34	78.6
TIES 2026.01	74.72	72.17	73.04	65.61	78.62	71.78	82.47	81.81	73.44
Joint Learning 2026.01	73.05	67.41	75.48	76.13	66.69	82.75	72.12	69.55	87.62
Task Arithmetic 2026.01	73	73.33	77.37	57.23	66.13	81.75	89.62	75.4	65.31
AdaMerging (Domain-wise) 2026.01	71.17	75.47	55.19	60.35	56.45	71.09	90.67	67.83	87.15
AdaMerging (Layer-wise) 2026.01	70.67	74.1	69.21	66.94	54.57	80.67	79.05	70.79	77.29
Zero-shot 2026.01	67.52	63.59	61.57	55.88	52.63	69.33	92.79	70.75	81.44
AdaMerging (Domain-wise) 2026.01	67.29	77	56.84	61.87	56.92	55.66	82.95	56.31	69.72
AdaMerging (Layer-wise) 2026.01	64.96	71.01	51.7	53.68	54.66	62.19	81.38	69.86	69.99
AdaMerging (Layer-wise) 2026.01	61.61	60.94	32.01	52.35	51.36	64.14	82.6	64.32	79.22
AdaMerging (Domain-wise) 2026.01	60.21	68.38	58.18	57.61	42.43	56.16	72.01	75.84	62.5
AdaMerging (Layer-wise) 2026.01	57.91	56.9	56.93	53.6	44.83	49.51	77.66	69.2	65.29
Task Arithmetic 2026.01	55.37	50.11	51.82	55.54	52.3	58.8	66.56	49.09	51.86
Zero-shot 2026.01	53.55	65.05	50.33	34.05	31.26	40.96	82.63	61.27	63.58
AdaMerging (Domain-wise) 2026.01	50.28	51.53	49.02	41.46	35.38	43.17	66.06	68.61	69.18
Zero-shot 2026.01	33.06	32.86	33.22	23.98	20.8	40.87	45.76	34.05	40.78
Zero-shot 2026.01	26.85	27.51	27.83	18.08	14.22	41.96	32.15	28.46	38.78