US-SD
E93985
US-SD is the ISO 3166-2 subdivision code that uniquely identifies the U.S. state of South Dakota.
All labels observed (1)
| Label | Occurrences |
|---|---|
| US-SD canonical | 11 |
How this entity was disambiguated
This entity first appeared as the object of triple T789796 — 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: US-SD Context triple: [Union County, South Dakota, ISO3166-2Code, US-SD]
-
A.
US
US is the IATA airline designator code assigned to the former American airline US Airways.
-
B.
US-RI
US-RI is the ISO 3166-2 subdivision code for the U.S. state of Rhode Island.
-
C.
UST
UST is the commonly used abbreviation for the United States Department of the Treasury, the federal executive department responsible for managing government revenue, producing currency, and formulating economic and financial policy.
-
D.
EUA
EUA (European University Association) is a major organization representing and supporting higher education institutions and national rectors’ conferences across Europe in areas such as policy, quality assurance, and institutional development.
-
E.
UN
The UN is an international organization founded in 1945 that brings together most of the world’s countries to promote peace, security, cooperation, and human rights.
- 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: US-SD Target entity description: US-SD is the ISO 3166-2 subdivision code that uniquely identifies the U.S. state of South Dakota.
-
A.
US
US is the IATA airline designator code assigned to the former American airline US Airways.
-
B.
US-RI
US-RI is the ISO 3166-2 subdivision code for the U.S. state of Rhode Island.
-
C.
UST
UST is the commonly used abbreviation for the United States Department of the Treasury, the federal executive department responsible for managing government revenue, producing currency, and formulating economic and financial policy.
-
D.
EUA
EUA (European University Association) is a major organization representing and supporting higher education institutions and national rectors’ conferences across Europe in areas such as policy, quality assurance, and institutional development.
-
E.
UN
The UN is an international organization founded in 1945 that brings together most of the world’s countries to promote peace, security, cooperation, and human rights.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
ISO 3166-2 code
ⓘ
subdivision code ⓘ |
| appliesToTerritoryType | first-level administrative division ⓘ |
| assignedTo | South Dakota ⓘ |
| codeElement | SD ⓘ |
| codeFormat | alpha-numeric ⓘ |
| codeStructure | US-XX ⓘ |
| codingSystem | ISO 3166-2:US ⓘ |
| countryCode | US ⓘ |
| hasSubdivisionCategoryCode | state-level subdivision ⓘ |
| identifies | state of South Dakota ⓘ |
| isUniqueWithin | United States of America ⓘ |
| languageOfCodeElements | Latin script ⓘ |
| maintainedBy | ISO 3166 Maintenance Agency ⓘ |
| partOfStandard | ISO 3166 ⓘ |
| relatedStandard | ISO 3166-1 ⓘ |
| represents | South Dakota ⓘ |
| representsSubdivisionOf | United States of America ⓘ |
| standard |
ISO 3166-2
ⓘ
linked to:
ISO 3166
|
| subdivisionCategory | state ⓘ |
| subdivisionName | South Dakota ⓘ |
| usedFor |
data exchange
ⓘ
geocoding ⓘ identifying administrative subdivisions ⓘ |
| usedIn | international standards ⓘ |
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: US-SD Description of subject: US-SD is the ISO 3166-2 subdivision code that uniquely identifies the U.S. state of South Dakota.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.