ACA
E27154
ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ACA canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T210981 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ACA Context triple: [American Crystallographic Association, abbreviation, ACA]
-
A.
ACE
ACE (Altamont Corridor Express) is a commuter rail service in California’s San Joaquin Valley and East Bay that provides weekday trains between Stockton and San Jose.
-
B.
ACS
ACS is a leading U.S.-based scientific society and publisher focused on advancing the chemistry enterprise and its practitioners worldwide.
-
C.
ABA
The ABA (American Basketball Association) was a professional basketball league that operated in the United States from 1967 to 1976 and later merged with the NBA, known for its flashy style, three-point line, and red-white-and-blue basketball.
-
D.
ABA
ABA is the commonly used acronym for the American Bar Association, the national professional organization for lawyers and the legal profession in the United States.
-
E.
ASA
ASA is the commonly used abbreviation for the Acoustical Society of America, a leading scientific society dedicated to the study and advancement of acoustics.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ACA Target entity description: ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
-
A.
ACE
ACE (Altamont Corridor Express) is a commuter rail service in California’s San Joaquin Valley and East Bay that provides weekday trains between Stockton and San Jose.
-
B.
ACS
ACS is a leading U.S.-based scientific society and publisher focused on advancing the chemistry enterprise and its practitioners worldwide.
-
C.
ABA
ABA is the commonly used acronym for the American Bar Association, the national professional organization for lawyers and the legal profession in the United States.
-
D.
ABA
The ABA (American Basketball Association) was a professional basketball league that operated in the United States from 1967 to 1976 and later merged with the NBA, known for its flashy style, three-point line, and red-white-and-blue basketball.
-
E.
ASA
ASA is the commonly used abbreviation for the Acoustical Society of America, a leading scientific society dedicated to the study and advancement of acoustics.
- F. None of above. chosen
Statements (35)
| Predicate | Object |
|---|---|
| instanceOf |
professional association
ⓘ
scientific organization ⓘ |
| abbreviation | ACA self-linksurface differs ⓘ |
| collaboratesWith | international crystallographic organizations ⓘ |
| field |
crystallography
ⓘ
structural science ⓘ |
| focusArea |
electron diffraction
ⓘ
macromolecular crystallography ⓘ materials crystallography ⓘ neutron diffraction ⓘ small-molecule crystallography ⓘ structural biology ⓘ x-ray crystallography ⓘ |
| hasActivity |
education in crystallography
ⓘ
professional networking ⓘ promotion of crystallographic standards ⓘ support of young scientists ⓘ |
| hasDiscipline |
biological sciences
ⓘ
chemical sciences ⓘ physical sciences ⓘ |
| hasMemberType |
researchers
ⓘ
scientists ⓘ students ⓘ |
| language | English ⓘ |
| organizes |
conferences
ⓘ
scientific meetings ⓘ workshops ⓘ |
| publishes | scientific information on crystallography ⓘ |
| purpose |
advance structural science
ⓘ
promote the application of crystallography ⓘ promote the study of crystallography ⓘ |
| regionServed |
Canada
ⓘ
Mexico ⓘ United States of America ⓘ
surface form:
United States
|
| scope | North America ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ACA Description of subject: ACA is a professional scientific organization that promotes the study and application of crystallography and structural science, primarily in North America.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
American Crystallographic Association