notesum.ai

Published at November 21

Topology-Aware Popularity Debiasing via Simplicial Complexes

cs.IR

Released Date: November 21, 2024

Authors: Yanbiao Ji¹, Yue Ding¹, Chang Liu¹, Yuxiang Lu¹, Xin Xin², Hongtao Lu

Aff.: ¹Shanghai Jiao Tong University, China; ²Shandong University, China

Arxiv: http://arxiv.org/abs/2411.13892v1

	Adressa			Gowalla			Yelp2018			ML10M			Globo
	Recall	HR	NDCG	Recall	HR	NDCG	Recall	HR	NDCG	Recall	HR	NDCG	Recall	HR	NDCG
LightGCN	0.015	0.016	0.007	0.006	0.027	0.006	0.002	0.012	0.001	0.002	0.009	0.001	0.001	0.007	0.002
+ IPS	0.040	0.050	0.020	0.030	0.097	0.025	0.006	0.040	0.007	0.011	0.035	0.005	0.022	0.057	0.012
+ CausE	0.023	0.032	0.011	0.020	0.063	0.013	0.007	0.022	0.004	0.007	0.017	0.002	0.014	0.038	0.008
+ MACR	0.016	0.022	0.007	0.014	0.037	0.008	0.005	0.019	0.004	0.007	0.012	0.002	0.006	0.027	0.005
+ sDRO	0.014	0.019	0.007	0.012	0.032	0.007	0.005	0.017	0.003	0.007	0.016	0.002	0.003	0.018	0.004
+ Ours	0.055	0.066	0.024	0.038	0.115	0.021	0.009	0.056	0.008	0.013	0.050	0.008	0.024	0.070	0.013
%Improve	37.50	28.00	20.00	26.67	18.56	-	28.57	40.00	14.29	18.18	42.86	60.00	9.09	22.81	8.33
SimGCL	0.016	0.021	0.007	0.008	0.032	0.007	0.002	0.013	0.003	0.003	0.010	0.002	0.002	0.008	0.001
+ IPS	0.052	0.063	0.027	0.021	0.080	0.018	0.008	0.042	0.006	0.013	0.040	0.008	0.025	0.075	0.011
+ CausE	0.018	0.025	0.008	0.028	0.074	0.018	0.006	0.035	0.005	0.010	0.027	0.004	0.010	0.026	0.008
+ MACR	0.014	0.019	0.006	0.017	0.034	0.006	0.005	0.020	0.004	0.013	0.048	0.009	0.012	0.037	0.008
+ sDRO	0.016	0.021	0.007	0.014	0.031	0.007	0.006	0.030	0.003	0.008	0.025	0.003	0.007	0.022	0.006
+ Ours	0.085	0.103	0.046	0.055	0.125	0.047	0.015	0.087	0.014	0.016	0.073	0.012	0.025	0.063	0.017
%Improve	63.46	63.49	70.37	96.43	56.25	161.11	87.50	107.14	133.33	23.08	52.08	33.33	-	-	54.55
LightGCL	0.020	0.023	0.009	0.010	0.034	0.008	0.003	0.012	0.003	0.003	0.010	0.002	0.004	0.010	0.004
+ IPS	0.045	0.058	0.022	0.040	0.120	0.030	0.010	0.060	0.010	0.010	0.035	0.006	0.024	0.068	0.016
+ CausE	0.022	0.027	0.008	0.026	0.080	0.019	0.002	0.011	0.002	0.003	0.009	0.001	0.015	0.044	0.011
+ MACR	0.008	0.011	0.005	0.015	0.046	0.012	0.011	0.038	0.012	0.011	0.045	0.007	0.013	0.032	0.007
+ sDRO	0.015	0.019	0.007	0.013	0.032	0.007	0.010	0.038	0.003	0.007	0.019	0.002	0.007	0.027	0.005
+ Ours	0.075	0.115	0.047	0.050	0.160	0.032	0.020	0.095	0.019	0.014	0.065	0.010	0.032	0.079	0.018
%Improve	66.67	98.28	113.64	25.00	33.33	6.67	81.81	58.33	58.33	27.27	44.44	42.86	33.33	16.18	12.50