Lewis and Clark County
E219880
Lewis and Clark County is a county in west-central Montana, United States, known for encompassing the state capital city of Helena.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lewis and Clark County canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1649554 — 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: Lewis and Clark County Context triple: [Helena, partOf, Lewis and Clark County]
-
A.
Douglas County
Douglas County is a county in western Nevada known for encompassing part of the Lake Tahoe region and serving as a key residential and recreational area near Carson City and the California border.
-
B.
Colusa County
Colusa County is a rural county in California’s Sacramento Valley known for its agricultural economy and small, historic communities.
-
C.
Nez Perce County
Nez Perce County is a county in north-central Idaho known for its historic ties to the Nez Perce Tribe and its regional hub city of Lewiston.
-
D.
Elgin County
Elgin County is a predominantly rural county in southwestern Ontario, Canada, known for its agricultural communities, Lake Erie shoreline, and the city of St. Thomas as its largest urban center.
-
E.
Churchill County
Churchill County is a largely rural county in Nevada known for its agricultural communities, desert landscapes, and the city of Fallon as its county seat.
- 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: Lewis and Clark County Target entity description: Lewis and Clark County is a county in west-central Montana, United States, known for encompassing the state capital city of Helena.
-
A.
Douglas County
Douglas County is a county in western Nevada known for encompassing part of the Lake Tahoe region and serving as a key residential and recreational area near Carson City and the California border.
-
B.
Colusa County
Colusa County is a rural county in California’s Sacramento Valley known for its agricultural economy and small, historic communities.
-
C.
Nez Perce County
Nez Perce County is a county in north-central Idaho known for its historic ties to the Nez Perce Tribe and its regional hub city of Lewiston.
-
D.
Elgin County
Elgin County is a predominantly rural county in southwestern Ontario, Canada, known for its agricultural communities, Lake Erie shoreline, and the city of St. Thomas as its largest urban center.
-
E.
Churchill County
Churchill County is a largely rural county in Nevada known for its agricultural communities, desert landscapes, and the city of Fallon as its county seat.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
administrative territorial entity
ⓘ
county ⓘ |
| borderingEntityType | other Montana counties ⓘ |
| contains | Helena ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivisionType | county ⓘ |
| hasCapital | Helena ⓘ |
| hasGovernmentType | county government ⓘ |
| hasJurisdiction | Helena metropolitan area (partial or full) ⓘ |
| hasLargestCity | Helena ⓘ |
| hasNamedForExpedition | Lewis and Clark Expedition ⓘ |
| hasOfficialLanguage | English ⓘ |
| hasPostalAbbreviationState | MT ⓘ |
| hasSettlement | Helena ⓘ |
| hasSubdivisionCategory | county of Montana ⓘ |
| isCountySeatOf |
Lewis and Clark County, Montana
ⓘ
surface form:
Helena is county seat of Lewis and Clark County
|
| locatedIn | Montana ⓘ |
| locatedInFederalEntity | United States of America ⓘ |
| locatedInRegion | west-central Montana ⓘ |
| locatedOnContinent | North America ⓘ |
| namedAfter |
Meriwether Lewis
ⓘ
William Clark ⓘ |
| partOf |
Montana
ⓘ
surface form:
state of Montana
|
| timeZone | Mountain Time Zone ⓘ |
| usesDaylightSavingTime | yes ⓘ |
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: Lewis and Clark County Description of subject: Lewis and Clark County is a county in west-central Montana, United States, known for encompassing the state capital city of Helena.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Western Montana