From: Detecting missing IS-A relations in the NCI Thesaurus using an enhanced hybrid approach
Sub-hierarchy | # of Non-lattice subgraphs | # of suggested missing IS-A relations |
---|---|---|
Disease, disorder or finding | 8075 | 34 |
Experimental organism diagnosis | 257 | 18 |
Drug, food, chemical or biomedical material | 922 | 1 |
Molecular abnormality | 143 | 1 |
Activity | 109 | 1 |