UPX
E587522
UPX is a dedicated airport rail link in the Greater Toronto Area that connects Union Station in downtown Toronto with Toronto Pearson International Airport.
All labels observed (1)
| Label | Occurrences |
|---|---|
| UPX canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6359225 — 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: UPX Context triple: [Line 3 Union–Pearson Express, hasAbbreviation, UPX]
-
A.
UPX
UPX is an executable packer and compressor commonly used to reduce the size of binary programs.
-
B.
Engrampa archive manager
Engrampa archive manager is the MATE desktop environment’s file archiving tool used to create, view, and extract compressed archives in various formats.
-
C.
Zip2
Zip2 was an early online city guide and business directory software company from the late 1990s that provided web-based publishing tools for newspapers.
-
D.
bzip2
bzip2 is a free and open-source data compression program known for its high compression ratios using the Burrows–Wheeler algorithm.
-
E.
Funcrusher Plus
Funcrusher Plus is the influential 1997 debut studio album by underground hip-hop group Company Flow, widely credited with helping define the sound of independent New York rap in the late 1990s.
- 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: UPX Target entity description: UPX is a dedicated airport rail link in the Greater Toronto Area that connects Union Station in downtown Toronto with Toronto Pearson International Airport.
-
A.
UPX
UPX is an executable packer and compressor commonly used to reduce the size of binary programs.
-
B.
Engrampa archive manager
Engrampa archive manager is the MATE desktop environment’s file archiving tool used to create, view, and extract compressed archives in various formats.
-
C.
Zip2
Zip2 was an early online city guide and business directory software company from the late 1990s that provided web-based publishing tools for newspapers.
-
D.
bzip2
bzip2 is a free and open-source data compression program known for its high compression ratios using the Burrows–Wheeler algorithm.
-
E.
Funcrusher Plus
Funcrusher Plus is the influential 1997 debut studio album by underground hip-hop group Company Flow, widely credited with helping define the sound of independent New York rap in the late 1990s.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | airport rail link ⓘ |
| category |
Airport rail links in Canada
ⓘ
Metrolinx projects ⓘ Rail transport in Toronto ⓘ |
| connectsWith |
GO Transit
ⓘ
Toronto Transit Commission ⓘ Toronto subway Line 1 Yonge–University ⓘ
linked to:
Line 1 Yonge–University
Toronto subway Line 2 Bloor–Danforth ⓘ
linked to:
Line 2 Bloor–Danforth
|
| country | Canada ⓘ |
| departureFrequency | frequent all-day service ⓘ |
| electrificationStatus | not electrified (as of mid-2020s) ⓘ |
| fareSystem |
Presto card compatible
ⓘ
contactless payment accepted ⓘ |
| fullName |
Union Pearson Express
ⓘ
linked to:
Union–Pearson Express
|
| governingBody | Government of Ontario ⓘ |
| hasAccessibility | fully accessible stations ⓘ |
| hasColorScheme | green and white ⓘ |
| intermediateStation |
Bloor Station
ⓘ
linked to:
Bloor–Yonge station
Weston Station ⓘ |
| lineLength | approximately 25 km ⓘ |
| locatedIn | Greater Toronto Area ⓘ |
| numberOfStations | 4 ⓘ |
| opened | 2015-06-06 ⓘ |
| openingEvent | 2015 Pan American Games ⓘ |
| operator | Metrolinx ⓘ |
| owner | Metrolinx ⓘ |
| partOf | Greater Toronto and Hamilton Area transit network ⓘ |
| primaryFunction | airport access ⓘ |
| regionServed | Ontario ⓘ |
| rollingStockManufacturer | Nippon Sharyo ⓘ |
| rollingStockType | diesel multiple unit ⓘ |
| safetySystem | standard Canadian railway safety regulations ⓘ |
| servesCity | Toronto ⓘ |
| serviceArea | corridor between downtown Toronto and Pearson Airport ⓘ |
| serviceType | express ⓘ |
| shortName | UPX ⓘ |
| terminusStation |
Pearson Terminal 1 Station
ⓘ
Toronto Pearson International Airport ⓘ Union Station ⓘ |
| ticketingOption |
onboard fare payment restricted
ⓘ
online ticket purchase ⓘ station ticket machines ⓘ |
| trackGauge | standard gauge ⓘ |
| travelTimeBetweenTermini | approximately 25 minutes ⓘ |
| usesRailCorridor |
Kitchener line corridor
ⓘ
linked to:
Kitchener corridor
|
| website | https://www.upexpress.com ⓘ |
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: UPX Description of subject: UPX is a dedicated airport rail link in the Greater Toronto Area that connects Union Station in downtown Toronto with Toronto Pearson International Airport.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.