Research Article
Semisupervised Learning Based Disease-Symptom and Symptom-Therapeutic Substance Relation Extraction from Biomedical Literature
Table 2
The initial results on the disease-symptom test set. Method 1 integrates three classifiers (the feature kernel, graph kernel, and tree kernel) with the same weight while Method 2 integrates them with a weight ratio of 4 : 4 : 2.
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