Ontario Highway 138
E227050
Ontario Highway 138 is a provincial highway in eastern Ontario that serves as a key connector route between Highway 401 near Cornwall and Highway 417 toward Ottawa.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ontario Highway 138 canonical | 5 |
| Highway 138 (Ontario) | 1 |
| Ontario Highway 138 (nearby) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1914500 — 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: Ontario Highway 138 Context triple: [Cornwall, Ontario, locatedOn, Ontario Highway 138]
-
A.
Ontario Highway 17
Ontario Highway 17 is a major provincial highway in Ontario, Canada, forming the primary east–west route across Northern Ontario and constituting the longest segment of the Trans-Canada Highway within the province.
-
B.
Ontario Highway 11
Ontario Highway 11 is a major provincial highway in Ontario, Canada, that runs north–south through much of Northern Ontario and serves as a key route connecting numerous remote and rural communities.
-
C.
Ontario Highway 6
Ontario Highway 6 is a major north–south provincial highway in Ontario, Canada, running from the Bruce Peninsula through central Ontario to the Hamilton area and serving as an important regional transportation route.
-
D.
Highway 406
Highway 406 is a provincial freeway in Ontario, Canada, that connects the Queen Elizabeth Way in St. Catharines to Highway 20 near Welland, serving as a key route through the Niagara Peninsula.
-
E.
Highway 418
Highway 418 is a north–south toll highway in Ontario, Canada, serving as a connector between Highway 401 and Highway 407.
- 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: Ontario Highway 138 Target entity description: Ontario Highway 138 is a provincial highway in eastern Ontario that serves as a key connector route between Highway 401 near Cornwall and Highway 417 toward Ottawa.
-
A.
Ontario Highway 17
Ontario Highway 17 is a major provincial highway in Ontario, Canada, forming the primary east–west route across Northern Ontario and constituting the longest segment of the Trans-Canada Highway within the province.
-
B.
Ontario Highway 11
Ontario Highway 11 is a major provincial highway in Ontario, Canada, that runs north–south through much of Northern Ontario and serves as a key route connecting numerous remote and rural communities.
-
C.
Ontario Highway 6
Ontario Highway 6 is a major north–south provincial highway in Ontario, Canada, running from the Bruce Peninsula through central Ontario to the Hamilton area and serving as an important regional transportation route.
-
D.
Highway 406
Highway 406 is a provincial freeway in Ontario, Canada, that connects the Queen Elizabeth Way in St. Catharines to Highway 20 near Welland, serving as a key route through the Niagara Peninsula.
-
E.
Highway 418
Highway 418 is a north–south toll highway in Ontario, Canada, serving as a connector between Highway 401 and Highway 407.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Ontario provincial highway
ⓘ
provincial highway ⓘ |
| accessControl | at-grade intersections ⓘ |
| category |
Provincial highways in Ontario
ⓘ
Roads in Stormont, Dundas and Glengarry United Counties ⓘ |
| connectsTo |
Highway 401
ⓘ
Highway 417 ⓘ |
| country | Canada ⓘ |
| hasDirection | north–south ⓘ |
| highwayType | King's Highway ⓘ |
| jurisdiction |
Province of Ontario
ⓘ
linked to:
Ontario
|
| locatedIn |
Ontario
ⓘ
eastern Ontario ⓘ
linked to:
Eastern Ontario
|
| maintainedBy |
Ministry of Transportation of Ontario
ⓘ
linked to:
Ministry of Transportation (Ontario)
|
| northernTerminusDirection | toward Ottawa ⓘ |
| partOf | Ontario provincial highway network ⓘ |
| primaryFunction | connector route between Highway 401 and Highway 417 ⓘ |
| regionServed | Stormont, Dundas and Glengarry United Counties ⓘ |
| roadConfiguration | two-lane highway ⓘ |
| routeNumber | 138 ⓘ |
| servesAs | link between Cornwall area and Ottawa corridor via Highway 417 ⓘ |
| southernTerminusNear | Cornwall, Ontario ⓘ |
| surface | paved road ⓘ |
| usedFor |
access to Cornwall area
ⓘ
commuter traffic toward Ottawa ⓘ 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: Ontario Highway 138 Description of subject: Ontario Highway 138 is a provincial highway in eastern Ontario that serves as a key connector route between Highway 401 near Cornwall and Highway 417 toward Ottawa.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ontario Highway 138
linked to: Ontario Highway 138