U.S. Route 218
E203159
U.S. Route 218 is a major north–south U.S. Highway in the Midwestern United States that runs through Iowa and Minnesota, connecting numerous cities and serving as an important regional transportation corridor.
All labels observed (4)
| Label | Occurrences |
|---|---|
| U.S. Route 218 canonical | 15 |
| U.S. Highway 218 | 3 |
| U.S. Highway 218 near Riverside | 1 |
| U.S. Route 218 (regional access) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T317605 — 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: U.S. Route 218 Context triple: [Iowa City, Iowa, transportInfrastructure, U.S. Route 218]
-
A.
U.S. Route 9W
U.S. Route 9W is a north–south United States highway running along the west side of the Hudson River through New York and New Jersey, serving numerous towns and historic sites.
-
B.
U.S. Route 69
U.S. Route 69 is a major north–south United States highway that runs from Texas through several central states, connecting numerous cities and regional transportation networks.
-
C.
U.S. Route 27
U.S. Route 27 is a major north–south United States highway that runs from Florida to Michigan, passing through several southeastern and midwestern states.
-
D.
U.S. Route 275
U.S. Route 275 is a north–south U.S. Highway in the central United States that runs through parts of Nebraska, Iowa, and Missouri, serving as a regional connector between rural communities and larger transportation corridors.
-
E.
Wisconsin Highway 23
Wisconsin Highway 23 is a major east–west state highway in Wisconsin that connects numerous communities across the central part of the state.
- 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: U.S. Route 218 Target entity description: U.S. Route 218 is a major north–south U.S. Highway in the Midwestern United States that runs through Iowa and Minnesota, connecting numerous cities and serving as an important regional transportation corridor.
-
A.
U.S. Route 9W
U.S. Route 9W is a north–south United States highway running along the west side of the Hudson River through New York and New Jersey, serving numerous towns and historic sites.
-
B.
U.S. Route 69
U.S. Route 69 is a major north–south United States highway that runs from Texas through several central states, connecting numerous cities and regional transportation networks.
-
C.
U.S. Route 27
U.S. Route 27 is a major north–south United States highway that runs from Florida to Michigan, passing through several southeastern and midwestern states.
-
D.
U.S. Route 275
U.S. Route 275 is a north–south U.S. Highway in the central United States that runs through parts of Nebraska, Iowa, and Missouri, serving as a regional connector between rural communities and larger transportation corridors.
-
E.
Wisconsin Highway 23
Wisconsin Highway 23 is a major east–west state highway in Wisconsin that connects numerous communities across the central part of the state.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Highway
ⓘ
numbered highway in the United States ⓘ |
| connects |
Austin, Minnesota
ⓘ
Cedar Rapids, Iowa ⓘ Iowa City, Iowa ⓘ Waterloo, Iowa ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| direction | north–south ⓘ |
| function | regional transportation corridor ⓘ |
| highwayNumber | 218 ⓘ |
| locatedIn |
Iowa
ⓘ
Midwestern United States ⓘ Minnesota ⓘ |
| maintainedBy |
Iowa Department of Transportation
ⓘ
Minnesota Department of Transportation ⓘ |
| partOf | United States Numbered Highway System ⓘ |
| passesThrough |
Austin, Minnesota
ⓘ
Cedar Rapids, Iowa ⓘ Charles City, Iowa ⓘ Iowa City, Iowa ⓘ Owatonna, Minnesota ⓘ Waterloo, Iowa ⓘ |
| regionServed |
eastern Iowa
ⓘ
southern Minnesota ⓘ |
| roadType |
arterial highway
ⓘ
intercity highway ⓘ |
| state |
Iowa
ⓘ
Minnesota ⓘ |
| system |
United States Numbered Highway System
ⓘ
surface form:
U.S. Highway System
|
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: U.S. Route 218 Description of subject: U.S. Route 218 is a major north–south U.S. Highway in the Midwestern United States that runs through Iowa and Minnesota, connecting numerous cities and serving as an important regional transportation corridor.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Eastern Iowa
subject surface form:
Interstate 380 (Iowa)
subject surface form:
Johnson County, Iowa
this entity surface form:
U.S. Highway 218
this entity surface form:
U.S. Highway 218 near Riverside
this entity surface form:
U.S. Highway 218
subject surface form:
Charles City, Iowa
this entity surface form:
U.S. Route 218 (regional access)
this entity surface form:
U.S. Highway 218