Iowa Highway 38
E23120
Iowa Highway 38 is a state highway in eastern Iowa that runs north–south through several communities, connecting rural areas with larger regional routes.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Iowa Highway 38 canonical | 6 |
| Iowa Highway 1 | 1 |
| Iowa State Highway System | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T25272 — 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 38 Context triple: [West Branch, Iowa, transportServedBy, Iowa Highway 38]
-
A.
Interstate 29
Interstate 29 is a major north–south U.S. highway running through the Great Plains from Missouri to North Dakota, connecting cities such as Kansas City, Sioux City, and Fargo.
-
B.
Interstate 35E
Interstate 35E is the eastern branch of Interstate 35 that runs through Dallas, Texas, serving as a key north–south transportation corridor in the region.
-
C.
Interstate 35
Interstate 35 is a major north–south U.S. highway running from the Mexican border in Texas through the central United States to Minnesota, serving numerous key cities along its route.
-
D.
Interstate 395
Interstate 395 is a major auxiliary Interstate Highway in the eastern United States that connects Washington, D.C. with suburban Virginia and serves as a key commuter and regional traffic corridor.
-
E.
U.S. Route 75
U.S. Route 75 is a major north–south U.S. Highway running from Texas through the central United States, serving as a key transportation corridor for cities such as Dallas.
- 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 38 Target entity description: Iowa Highway 38 is a state highway in eastern Iowa that runs north–south through several communities, connecting rural areas with larger regional routes.
-
A.
Interstate 29
Interstate 29 is a major north–south U.S. highway running through the Great Plains from Missouri to North Dakota, connecting cities such as Kansas City, Sioux City, and Fargo.
-
B.
Interstate 35E
Interstate 35E is the eastern branch of Interstate 35 that runs through Dallas, Texas, serving as a key north–south transportation corridor in the region.
-
C.
Interstate 35
Interstate 35 is a major north–south U.S. highway running from the Mexican border in Texas through the central United States to Minnesota, serving numerous key cities along its route.
-
D.
Interstate 395
Interstate 395 is a major auxiliary Interstate Highway in the eastern United States that connects Washington, D.C. with suburban Virginia and serves as a key commuter and regional traffic corridor.
-
E.
U.S. Route 75
U.S. Route 75 is a major north–south U.S. Highway running from Texas through the central United States, serving as a key transportation corridor for cities such as Dallas.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| connects |
larger regional routes in eastern Iowa
ⓘ
rural areas in eastern Iowa ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAbbreviation | IA 38 ⓘ |
| hasDirectionA | South ⓘ |
| hasDirectionB | North ⓘ |
| highwayType | Iowa state highway ⓘ |
| isNumberedWithin | Iowa state highway numbering system ⓘ |
| locatedIn |
Iowa
ⓘ
United States of America ⓘ
surface form:
United States
|
| maintainedBy | Iowa Department of Transportation ⓘ |
| orientation | north–south ⓘ |
| passesThrough | several communities in eastern Iowa ⓘ |
| region | eastern Iowa ⓘ |
| roadFunction |
regional connector route
ⓘ
rural access route ⓘ |
| roadSystem |
Iowa Highway 38
self-linksurface differs
ⓘ
surface form:
Iowa State Highway System
|
| routeNumber | 38 ⓘ |
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 38 Description of subject: Iowa Highway 38 is a state highway in eastern Iowa that runs north–south through several communities, connecting rural areas with larger regional routes.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
West Branch, Iowa
this entity surface form:
Iowa Highway 1
this entity surface form:
Iowa State Highway System