BERT_LF: A Similar Case Retrieval Method Based on Legal Facts

Table 3

The result of ablation study.

Model	P@5	P@10	MAP	NDCG@10	NDCG@20	NDCG@30
SEM-TP	0.38	0.365	0.444	0.717	0.779	0.884
SEM-EE	0.24	0.279	0.338	0.549	0.638	0.804
SEM-EC (LSTM)	0.36	0.335	0.415	0.711	0.78	0.879
SEM-EC (GRU)	0.32	0.355	0.436	0.743	0.807	0.891
SEM-TE	0.28	0.32	0.364	0.608	0.684	0.822
SEM-T (LSTM)	0.38	0.385	0.474	0.745	0.796	0.889
SEM-T (GRU)	0.456	0.412	0.546	0.788	0.816	0.905
SEM-E (LSTM)	0.46	0.41	0.546	0.799	0.818	0.904
SEM-E (GRU)	0.478	0.41	0.56	0.802	0.822	0.908
BERT-LF (LSTM)	0.51	0.43	0.58	0.803	0.832	0.909
BERT-LF (GRU)	0.49	0.445	0.592	0.816	0.846	0.919