Table 4 The top 10 entities with highest FN for each chemical NER tool on the four different corpora
From: Recognizing chemicals in patents: a comparative analysis
CEMP_T | CEMP_D | ||
|---|---|---|---|
ChemSpot | tmChem | ChemSpot | tmChem |
H 227 | Alkyl 226 | H 233 | Alkyl 246 |
Aryl 170 | Aryl 179 | Aryl 174 | Aryl 183 |
C1-6 alkyl 115 | H 173 | Heterocyclic 133 | H 179 |
Heteroaryl 82 | C1-6 alkyl 121 | Heteroaryl 87 | Heterocyclic 135 |
Alkyl 74 | S 86 | N 76 | S 86 |
N 71 | Cyano 85 | C1-6 alkyl 69 | C1-6 alkyl 76 |
Alkoxy 67 | Heterocyclic 62 | Alkoxy 63 | Cyano 71 |
Cyano 62 | Halo 55 | Alkyl 59 | N 56 |
Heterocyclic 61 | Oligonucleotides 50 | Aromatic 51 | Halo 52 |
Halo 51 | Opioid 50 | Cyano 45 | Aromatic 51 |
Chapati | BioS | ||
|---|---|---|---|
ChemSpot | tmChem | ChemSpot | tmChem |
Drug 234 | Water 264 | Alkyl 5295 | Alkyl 8145 |
Ci-I0 alkyl 160 | Drug 234 | Aryl 4698 | Water 7142 |
NR 139 | Peptide 205 | DMSO 3184 | Aryl 5426 |
Insulin 107 | Ci-I0 alkyl 160 | Heteroaryl 2435 | Ph 1995 |
Aptamer 92 | NR 139 | Alkoxy 1993 | H 1921 |
Polypeptide 88 | Insulin 107 | H 1869 | Brine 1822 |
SO2R 65 | CN 94 | Brine 1777 | DMSO 1490 |
NH–CO–R 63 | Aptamer 92 | Inhibitors 1468 | Ethyl acetate 1473 |
SO\(_2\)–NR 63 | Polypeptide 89 | Substituted 1447 | Inhibitors 1472 |
NH–SO\(_2\)–R 62 | SO2R 65 | Lower alkyl 1422 | Substituted 1447 |