Dependency-based long short term memory network for drug-drug interaction extraction

BMC Bioinformatics

Table 2 The statistics of the DDI corpus

	Training set	Training set filtering	Test set	Test set filtering
Negative	23,371	17,297	4737	3335
Advice	1319	1315	302	301
Effect	1687	1677	360	357
Mechanism	826	821	221	221
Int	189	184	96	96
Total	27,792	21,294	5716	4310
Ra.	1:5.8	1:4.3	1:4.8	1:3.4

Note The Ra. denotes the ratio between positive instances and negative instances

ISSN: 1471-2105