Iowa Highway 12
E848109
Iowa Highway 12 is a state highway in western Iowa that runs along the Missouri River, serving the Sioux City area and connecting with routes into South Dakota and Nebraska.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Iowa Highway 12 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10014694 — 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: Iowa Highway 12 Context triple: [Interstate 129, stateHighwayDesignationInIowa, Iowa Highway 12]
-
A.
Iowa Highway 17
Iowa Highway 17 is a north–south state highway in Iowa that connects several small communities and rural areas in the central part of the state.
-
B.
Iowa Highway 15
Iowa Highway 15 is a state highway in northern Iowa that runs north–south, connecting rural communities and serving as a regional route near the Minnesota border.
-
C.
Iowa Highway 127
Iowa Highway 127 is a state highway in western Iowa that serves as an east–west route through rural areas of Harrison County, connecting local communities to larger regional roads.
-
D.
Iowa Highway 10
Iowa Highway 10 is an east–west state highway in northwestern Iowa that serves communities including Orange City and connects to several major regional routes.
-
E.
Iowa Highway 117
Iowa Highway 117 is a state highway in central Iowa that runs north–south, connecting the city of Colfax with U.S. Highway 65 near Mingo and serving local communities in Jasper County.
- 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: Iowa Highway 12 Target entity description: Iowa Highway 12 is a state highway in western Iowa that runs along the Missouri River, serving the Sioux City area and connecting with routes into South Dakota and Nebraska.
-
A.
Iowa Highway 17
Iowa Highway 17 is a north–south state highway in Iowa that connects several small communities and rural areas in the central part of the state.
-
B.
Iowa Highway 15
Iowa Highway 15 is a state highway in northern Iowa that runs north–south, connecting rural communities and serving as a regional route near the Minnesota border.
-
C.
Iowa Highway 127
Iowa Highway 127 is a state highway in western Iowa that serves as an east–west route through rural areas of Harrison County, connecting local communities to larger regional roads.
-
D.
Iowa Highway 10
Iowa Highway 10 is an east–west state highway in northwestern Iowa that serves communities including Orange City and connects to several major regional routes.
-
E.
Iowa Highway 117
Iowa Highway 117 is a state highway in central Iowa that runs north–south, connecting the city of Colfax with U.S. Highway 65 near Mingo and serving local communities in Jasper County.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf | state highway ⓘ |
| adjacentToBorder |
Nebraska–Iowa border
NERFINISHED
ⓘ
South Dakota–Iowa border NERFINISHED ⓘ |
| connectsTo |
road network of Nebraska
ⓘ
road network of South Dakota ⓘ |
| connectsToState |
Nebraska
NERFINISHED
ⓘ
South Dakota NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| followsRiver | Missouri River NERFINISHED ⓘ |
| hasJunctionWith |
Interstate 29
NERFINISHED
ⓘ
U.S. Route 20 NERFINISHED ⓘ U.S. Route 75 NERFINISHED ⓘ |
| highwayNumber | 12 ⓘ |
| highwayType | Iowa state highway ⓘ |
| locatedInCounty |
Plymouth County, Iowa
NERFINISHED
ⓘ
Woodbury County, Iowa NERFINISHED ⓘ |
| locatedInRegion | western Iowa ⓘ |
| maintainedBy | Iowa Department of Transportation NERFINISHED ⓘ |
| nearbyWaterBody | Missouri River NERFINISHED ⓘ |
| partOfNetwork | Iowa State Highway System NERFINISHED ⓘ |
| passesNear | Missouri River NERFINISHED ⓘ |
| passesThrough | Sioux City, Iowa NERFINISHED ⓘ |
| regionServed | Siouxland region NERFINISHED ⓘ |
| roadDirection | generally north–south ⓘ |
| roadFunction |
regional connector route
ⓘ
riverfront corridor route ⓘ |
| servesCity | Sioux City, Iowa NERFINISHED ⓘ |
| state | Iowa ⓘ |
| terminusArea | Sioux City metropolitan area NERFINISHED ⓘ |
| usedFor |
local traffic
ⓘ
regional traffic ⓘ |
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: Iowa Highway 12 Description of subject: Iowa Highway 12 is a state highway in western Iowa that runs along the Missouri River, serving the Sioux City area and connecting with routes into South Dakota and Nebraska.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.