Union–Pearson Express
E587521
Union–Pearson Express is a dedicated airport rail link in Toronto that provides fast, frequent train service between Union Station in downtown Toronto and Toronto Pearson International Airport.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Union Pearson Express | 12 |
| Union–Pearson Express canonical | 4 |
| Union Pearson Express line | 1 |
| Union Pearson Express network | 1 |
| Union–Pearson Express system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6359224 — 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: Union–Pearson Express Context triple: [Line 3 Union–Pearson Express, routeName, Union–Pearson Express]
-
A.
Teterboro Airport
Teterboro Airport is a major general aviation and corporate jet airport located in New Jersey, serving the New York City metropolitan area.
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B.
Manhattan Regional Airport
Manhattan Regional Airport is the main commercial airport serving the Manhattan, Kansas area and the broader northeastern Kansas region.
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C.
Newark Liberty International Airport
Newark Liberty International Airport is a major international airport serving the New York City metropolitan area, located in Newark, New Jersey.
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D.
Abraham Lincoln Capital Airport
Abraham Lincoln Capital Airport is a public airport serving the Springfield, Illinois area, offering commercial, general aviation, and military aviation services.
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E.
Albert J. Ellis Airport
Albert J. Ellis Airport is a public airport serving commercial and general aviation needs for Jacksonville and the surrounding Onslow County area in North Carolina.
- 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: Union–Pearson Express Target entity description: Union–Pearson Express is a dedicated airport rail link in Toronto that provides fast, frequent train service between Union Station in downtown Toronto and Toronto Pearson International Airport.
-
A.
Teterboro Airport
Teterboro Airport is a major general aviation and corporate jet airport located in New Jersey, serving the New York City metropolitan area.
-
B.
Manhattan Regional Airport
Manhattan Regional Airport is the main commercial airport serving the Manhattan, Kansas area and the broader northeastern Kansas region.
-
C.
Newark Liberty International Airport
Newark Liberty International Airport is a major international airport serving the New York City metropolitan area, located in Newark, New Jersey.
-
D.
Abraham Lincoln Capital Airport
Abraham Lincoln Capital Airport is a public airport serving the Springfield, Illinois area, offering commercial, general aviation, and military aviation services.
-
E.
Albert J. Ellis Airport
Albert J. Ellis Airport is a public airport serving commercial and general aviation needs for Jacksonville and the surrounding Onslow County area in North Carolina.
- F. None of above. chosen
Statements (46)
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: Union–Pearson Express Description of subject: Union–Pearson Express is a dedicated airport rail link in Toronto that provides fast, frequent train service between Union Station in downtown Toronto and Toronto Pearson International Airport.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express
subject linked to:
UP Express rail link
linked to: Union–Pearson Express
Terminal 1 (Toronto Pearson International Airport)
→
publicTransitConnection
→
Union Pearson Express
ⓘ
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express
linked to: Union–Pearson Express