Table 9.
The ten most frequent types of semantic relations extracted from the whole MEDLINE
| Rank | Semantic relation type | #Relation | #Unique | |
|---|---|---|---|---|
| Entity 1 | Entity 2 | |||
| 1 | Amino acid, Peptide or protein | Amino acid, Peptide or protein | 3,424,145 | 1,057,771 |
| 2 | Cell | Amino acid, Peptide or protein | 3,140,492 | 711,603 |
| 3 | Gene or genome | Amino acid, Peptide or protein | 1,821,923 | 766,084 |
| 4 | Disease or syndrome | Disease or syndrome | 1,780,634 | 599,355 |
| 5 | Body part, Organ, or Organ component | Amino acid, Peptide or protein | 1,720,271 | 561,839 |
| 6 | Amino acid, Peptide or protein | Disease or syndrome | 1,621,104 | 631,343 |
| 7 | Gene or genome | Cell | 1,142,425 | 315,794 |
| 8 | Organic chemical | Organic chemical | 1,122,133 | 365,631 |
| 9 | Body part, Organ, or Organ component | Body part, Organ, or Organ component | 1,119,095 | 270,886 |
| 10 | Laboratory procedure | Amino acid, Peptide or protein | 1,109,260 | 453,359 |