Lyman County, South Dakota
E546337
Lyman County, South Dakota is a rural county in the central part of the state known for its Missouri River shoreline, agricultural landscape, and outdoor recreation opportunities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lyman County, South Dakota canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T5644782 — 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: Lyman County, South Dakota Context triple: [Lake Francis Case, locatedIn, Lyman County, South Dakota]
-
A.
Hutchinson County, South Dakota
Hutchinson County, South Dakota is a predominantly rural county in the southeastern part of the state known for its agricultural economy and small communities.
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B.
Meade County, South Dakota
Meade County, South Dakota is a large county in western South Dakota known for encompassing part of the Black Hills region and hosting the city of Sturgis, home of the famous Sturgis Motorcycle Rally.
-
C.
Edmunds County, South Dakota
Edmunds County, South Dakota is a rural county in north-central South Dakota known for its agricultural landscape and small communities.
-
D.
Lincoln County, South Dakota
Lincoln County, South Dakota is a rapidly growing county in the southeastern part of the state, located within the Sioux Falls metropolitan area.
-
E.
Brown County, South Dakota
Brown County, South Dakota is a northeastern South Dakota county whose seat and largest city is Aberdeen, a regional hub for commerce and education.
- 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: Lyman County, South Dakota Target entity description: Lyman County, South Dakota is a rural county in the central part of the state known for its Missouri River shoreline, agricultural landscape, and outdoor recreation opportunities.
-
A.
Hutchinson County, South Dakota
Hutchinson County, South Dakota is a predominantly rural county in the southeastern part of the state known for its agricultural economy and small communities.
-
B.
Meade County, South Dakota
Meade County, South Dakota is a large county in western South Dakota known for encompassing part of the Black Hills region and hosting the city of Sturgis, home of the famous Sturgis Motorcycle Rally.
-
C.
Edmunds County, South Dakota
Edmunds County, South Dakota is a rural county in north-central South Dakota known for its agricultural landscape and small communities.
-
D.
Lincoln County, South Dakota
Lincoln County, South Dakota is a rapidly growing county in the southeastern part of the state, located within the Sioux Falls metropolitan area.
-
E.
Brown County, South Dakota
Brown County, South Dakota is a northeastern South Dakota county whose seat and largest city is Aberdeen, a regional hub for commerce and education.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
county
ⓘ
county in South Dakota ⓘ |
| areaLand | approximately 1,642 square miles ⓘ |
| areaTotal | approximately 1,707 square miles ⓘ |
| areaWater | approximately 65 square miles ⓘ |
| areaWaterPercent | about 3.8 percent ⓘ |
| borderedBy |
Brule County, South Dakota
NERFINISHED
ⓘ
Buffalo County, South Dakota NERFINISHED ⓘ Gregory County, South Dakota NERFINISHED ⓘ Jones County, South Dakota NERFINISHED ⓘ Mellette County, South Dakota NERFINISHED ⓘ Stanley County, South Dakota NERFINISHED ⓘ Tripp County, South Dakota NERFINISHED ⓘ |
| bordersWaterBody | Missouri River NERFINISHED ⓘ |
| containsHighway |
Interstate 90
NERFINISHED
ⓘ
South Dakota Highway 248 NERFINISHED ⓘ South Dakota Highway 47 NERFINISHED ⓘ U.S. Highway 83 NERFINISHED ⓘ |
| containsProtectedArea | Big Bend Dam recreation areas on the Missouri River NERFINISHED ⓘ |
| country | United States of America ⓘ |
| countySeat | Kennebec, South Dakota NERFINISHED ⓘ |
| economyBasedOn | agriculture ⓘ |
| FIPSCode | 46-085 ⓘ |
| founded | 1873 ⓘ |
| GNISID | 1265900 ⓘ |
| hasLandscape |
Missouri River shoreline
ⓘ
agricultural land ⓘ |
| hasPart |
Ideal Township, Lyman County, South Dakota
NERFINISHED
ⓘ
Kennebec, South Dakota NERFINISHED ⓘ Lower Brule Indian Reservation NERFINISHED ⓘ Lower Brule, South Dakota NERFINISHED ⓘ Oacoma, South Dakota NERFINISHED ⓘ Presho, South Dakota NERFINISHED ⓘ Pukwana Township, Lyman County, South Dakota NERFINISHED ⓘ Reliance, South Dakota NERFINISHED ⓘ Vivian, South Dakota NERFINISHED ⓘ |
| knownFor |
farming and ranching
ⓘ
outdoor recreation ⓘ |
| largestCity | Presho, South Dakota NERFINISHED ⓘ |
| locatedIn |
South Dakota
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| locatedInRegion | central South Dakota ⓘ |
| locatedInTimeZone |
Central Time Zone
ⓘ
Mountain Time Zone ⓘ |
| namedFor | Theodore Lyman NERFINISHED ⓘ |
| organized | 1893 ⓘ |
| population | approximately 3,700 (2020 census) ⓘ |
| populationDensity | approximately 2.3 inhabitants per square mile ⓘ |
| state | South Dakota ⓘ |
| usesDaylightSavingTime | true ⓘ |
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: Lyman County, South Dakota Description of subject: Lyman County, South Dakota is a rural county in the central part of the state known for its Missouri River shoreline, agricultural landscape, and outdoor recreation opportunities.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.