Multichannel Convolutional Neural Network for Biological Relation Extraction

Table 4

Statistics for DDIExtraction 2013 challenge corpus. The entities pairs interacting with each other are labeled as positive, otherwise negative. The abstract indicates the number of article abstracts in datasets.

	Train			Test
	DrugBank	MedLine	Overall	DrugBank	MedLine	Overall
Abstract	572	142	714	158	33	191
Positive	3788	232	4020	884	95	979
Negative	22118	1547	23665	4367	345	4712
Advice	818	8	826	214	7	221
Effect	1535	152	1687	298	62	360
Mechanism	1257	62	1319	278	24	302
Int	178	10	188	94	2	96
After preprocessing and filtering rules
Positive	3767	231	3998	884	92	976
Negative	14445	1179	15624	2819	243	3062
Advice	815	7	822	214	7	221
Effect	1517	152	1669	298	62	360
Mechanism	1257	62	1319	278	21	299
Int	178	10	188	94	2	96