. 2015 Apr 27;3(2):e19. doi: 10.2196/medinform.4321

Table 2.

Experimented semantic features.

ID	Name	Definition	Example	Software	In our best IE system
9	Top 5 candidates	Top 5 candidates retrieved from UMLS^a	“BP” may refer to, for example, “Bachelor of Pharmacy”, “bedpan”, “before present”, “birthplace”, or ”blood pressure”	MetaMap	Yes
10	Top mapping	Top UMLS^a mapping for the concept that is the best match with a given text snippet	“pneumonia” is a type “respiratory tract infection”	MetaMap	Yes
11	Medication score	1 if the word is a full term in ATCL^b; else 0.5 if it can be found in ATCL^b; 0 otherwise	1 for “acetylsalicylic acid”	NICTA	Yes

^a UMLS = Unified Medical Language System

^b ATCL = Anatomical Therapeutic Chemical List