Ohio State Route 521
E396465
Ohio State Route 521 is a state highway in central Ohio that connects the city of Delaware with surrounding rural areas and regional road networks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ohio State Route 521 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3870307 — 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: Ohio State Route 521 Context triple: [Delaware, Ohio, transportInfrastructure, Ohio State Route 521]
-
A.
Ohio State Route 50
Ohio State Route 50 is a major east–west highway running across Ohio, connecting numerous cities and towns as part of the broader U.S. Route 50 corridor.
-
B.
Ohio State Route 48
Ohio State Route 48 is a north–south state highway in southwestern Ohio that connects several communities, including Lebanon, as part of the regional transportation network.
-
C.
Ohio State Route 188
Ohio State Route 188 is a state highway in central Ohio that connects the city of Lancaster with surrounding communities and regional routes.
-
D.
Ohio State Route 151
Ohio State Route 151 is a state highway in eastern Ohio that connects several small communities and provides regional access to the surrounding rural and industrial areas.
-
E.
Ohio State Route 113
Ohio State Route 113 is an east–west state highway in northern Ohio that connects several communities, including Milan, and provides a regional link between rural areas and larger road networks.
- 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: Ohio State Route 521 Target entity description: Ohio State Route 521 is a state highway in central Ohio that connects the city of Delaware with surrounding rural areas and regional road networks.
-
A.
Ohio State Route 50
Ohio State Route 50 is a major east–west highway running across Ohio, connecting numerous cities and towns as part of the broader U.S. Route 50 corridor.
-
B.
Ohio State Route 48
Ohio State Route 48 is a north–south state highway in southwestern Ohio that connects several communities, including Lebanon, as part of the regional transportation network.
-
C.
Ohio State Route 188
Ohio State Route 188 is a state highway in central Ohio that connects the city of Lancaster with surrounding communities and regional routes.
-
D.
Ohio State Route 151
Ohio State Route 151 is a state highway in eastern Ohio that connects several small communities and provides regional access to the surrounding rural and industrial areas.
-
E.
Ohio State Route 113
Ohio State Route 113 is an east–west state highway in northern Ohio that connects several communities, including Milan, and provides a regional link between rural areas and larger road networks.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation | SR 521 ⓘ |
| category |
State highways in Ohio
ⓘ
Transportation in Delaware County, Ohio ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Delaware County, Ohio NERFINISHED ⓘ |
| direction | west–east ⓘ |
| easternTerminus | near Olive Green, Ohio ⓘ |
| easternTerminusConnection | Ohio State Route 656 ⓘ |
| function |
connects the city of Delaware with surrounding rural areas
ⓘ
provides access to regional road networks in central Ohio ⓘ |
| highwaySystem | Ohio State Route System ⓘ |
| location | central Ohio ⓘ |
| maintainedBy | Ohio Department of Transportation ⓘ |
| passesThrough |
Brown Township, Delaware County, Ohio
ⓘ
Kingston Township, Delaware County, Ohio ⓘ Porter Township, Delaware County, Ohio ⓘ city of Delaware, Ohio ⓘ |
| regionServed | rural areas east of Delaware, Ohio ⓘ |
| roadType | two-lane highway ⓘ |
| routeNumber | 521 ⓘ |
| state | Ohio ⓘ |
| surface | paved ⓘ |
| westernTerminus |
Delaware, Ohio, United States
ⓘ
surface form:
Delaware, Ohio
|
| westernTerminusConnection |
Ohio State Route 37
ⓘ
surface form:
Ohio State Route 37 in Delaware, Ohio
U.S. Route 36 in Delaware, Ohio ⓘ |
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: Ohio State Route 521 Description of subject: Ohio State Route 521 is a state highway in central Ohio that connects the city of Delaware with surrounding rural areas and regional road networks.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Delaware, Ohio