Alcester, South Dakota
E102467
Alcester, South Dakota is a small rural city in southeastern South Dakota known for its agricultural community and location near the Iowa border.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alcester, South Dakota canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T789777 — 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: Alcester, South Dakota Context triple: [Union County, South Dakota, hasPart, Alcester, South Dakota]
-
A.
Elk Point, South Dakota
Elk Point, South Dakota is a small city in southeastern South Dakota known as one of the state’s oldest settlements and a local hub for the surrounding agricultural region.
-
B.
Aberdeen, South Dakota, United States
Aberdeen, South Dakota, United States, is a small city in northeastern South Dakota known as a regional hub for agriculture, education, and commerce.
-
C.
Sioux Falls, South Dakota
Sioux Falls, South Dakota is the largest city in the state, known for its namesake waterfalls on the Big Sioux River and its role as a regional economic and cultural hub.
-
D.
South Sioux City, Nebraska
South Sioux City, Nebraska is a small city in northeastern Nebraska located along the Missouri River, forming part of the Sioux City metropolitan area.
-
E.
Ralston, Nebraska
Ralston, Nebraska is a small suburban city in Douglas County that functions as an enclave within Omaha and is part of the greater Omaha–Council Bluffs metropolitan area.
- 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: Alcester, South Dakota Target entity description: Alcester, South Dakota is a small rural city in southeastern South Dakota known for its agricultural community and location near the Iowa border.
-
A.
Elk Point, South Dakota
Elk Point, South Dakota is a small city in southeastern South Dakota known as one of the state’s oldest settlements and a local hub for the surrounding agricultural region.
-
B.
Aberdeen, South Dakota, United States
Aberdeen, South Dakota, United States, is a small city in northeastern South Dakota known as a regional hub for agriculture, education, and commerce.
-
C.
Sioux Falls, South Dakota
Sioux Falls, South Dakota is the largest city in the state, known for its namesake waterfalls on the Big Sioux River and its role as a regional economic and cultural hub.
-
D.
South Sioux City, Nebraska
South Sioux City, Nebraska is a small city in northeastern Nebraska located along the Missouri River, forming part of the Sioux City metropolitan area.
-
E.
Ralston, Nebraska
Ralston, Nebraska is a small suburban city in Douglas County that functions as an enclave within Omaha and is part of the greater Omaha–Council Bluffs metropolitan area.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| borderingStateNearby | Iowa ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision |
Great Plains
ⓘ
surface form:
Great Plains region
|
| county | Union County, South Dakota ⓘ |
| economy | agriculture ⓘ |
| governmentType | municipal government ⓘ |
| hasCharacteristic |
agricultural community
ⓘ
rural community ⓘ small city ⓘ |
| hasLandUse | farmland ⓘ |
| isInAgriculturalRegion | true ⓘ |
| isInSouthDakota | true ⓘ |
| isInUnionCounty | true ⓘ |
| isInUnitedStates | true ⓘ |
| isRural | true ⓘ |
| locatedInRegion | southeastern South Dakota ⓘ |
| locatedNear | Iowa border ⓘ |
| locatedOnContinent | North America ⓘ |
| partOf | Midwestern United States ⓘ |
| state | South Dakota ⓘ |
| timeZone | Central Time Zone ⓘ |
| timeZoneDST |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
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: Alcester, South Dakota Description of subject: Alcester, South Dakota is a small rural city in southeastern South Dakota known for its agricultural community and location near the Iowa border.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.