City Airport Train
E276807
City Airport Train is an express rail service in Vienna that provides a fast, non-stop connection between the city center and Vienna International Airport.
All labels observed (2)
| Label | Occurrences |
|---|---|
| City Airport Train canonical | 8 |
| City Airport Train (CAT) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2538810 — 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: City Airport Train Context triple: [Vienna International Airport, hasRailConnection, City Airport Train]
-
A.
Capital Airport Express
Capital Airport Express is a dedicated rapid transit line in the Beijing Subway system that connects central Beijing with Beijing Capital International Airport.
-
B.
Airport Rail Link
The Airport Rail Link is a rapid transit rail line in Bangkok that connects the city center with Suvarnabhumi Airport, providing a fast alternative to road travel.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
AA train
The AA train was a former New York City Subway service designation that preceded and was eventually replaced by the modern C train.
-
E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- 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: City Airport Train Target entity description: City Airport Train is an express rail service in Vienna that provides a fast, non-stop connection between the city center and Vienna International Airport.
-
A.
Capital Airport Express
Capital Airport Express is a dedicated rapid transit line in the Beijing Subway system that connects central Beijing with Beijing Capital International Airport.
-
B.
Airport Rail Link
The Airport Rail Link is a rapid transit rail line in Bangkok that connects the city center with Suvarnabhumi Airport, providing a fast alternative to road travel.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
AA train
The AA train was a former New York City Subway service designation that preceded and was eventually replaced by the modern C train.
-
E.
AeroTrain
AeroTrain is an automated underground people mover system that transports passengers between terminals at Washington Dulles International Airport.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
airport rail link
ⓘ
express train service ⓘ transport company ⓘ |
| connectsWith |
Vienna S-Bahn at Wien Mitte
ⓘ
linked to:
Vienna S-Bahn
Vienna U-Bahn at Wien Mitte ⓘ Vienna public transport network ⓘ
linked to:
Vienna Wiener Linien
|
| country | Austria ⓘ |
| electrification | 15 kV 16.7 Hz AC overhead line ⓘ |
| endStation | Vienna International Airport ⓘ |
| fareSystem | premium fare service ⓘ |
| hasFeature |
air-conditioned coaches
ⓘ
luggage space ⓘ onboard information systems ⓘ reserved airport check-in area at Wien Mitte ⓘ |
| hasRollingStock | electric multiple units ⓘ |
| hasStation |
Vienna International Airport station
ⓘ
Wien Mitte station ⓘ
linked to:
Wien Mitte railway station
|
| headquartersLocation | Vienna ⓘ |
| journeyTime | approximately 16 minutes ⓘ |
| lineLength | approximately 19 km ⓘ |
| locatedIn |
Vienna
ⓘ
Vienna International Airport ⓘ |
| marketingName | CAT ⓘ |
| offersCheckIn | city check-in at Wien Mitte ⓘ |
| offersLuggageService | airport-style baggage check-in at Wien Mitte ⓘ |
| opened | 2003 ⓘ |
| openingDate | 2003-12-14 ⓘ |
| operator | City Air Terminal Betriebsgesellschaft m.b.H. ⓘ |
| owner | City Air Terminal Betriebsgesellschaft m.b.H. ⓘ |
| primaryPurpose | airport–city center connection ⓘ |
| regionServed |
Vienna metropolitan area
ⓘ
linked to:
Greater Vienna
|
| safetyStandard | European railway safety regulations ⓘ |
| servesCity | Vienna ⓘ |
| serviceClass | high-comfort passenger service ⓘ |
| serviceFrequency | regular interval timetable ⓘ |
| servicePattern | non-stop between Wien Mitte and Vienna International Airport ⓘ |
| serviceType | non-stop express ⓘ |
| startStation |
Wien Mitte station
ⓘ
linked to:
Wien Mitte railway station
|
| terminus |
Vienna International Airport
ⓘ
Wien Mitte station ⓘ
linked to:
Wien Mitte railway station
|
| ticketType |
combined ticket with public transport
ⓘ
online ticket ⓘ return ticket ⓘ single ticket ⓘ |
| trackGauge | standard gauge ⓘ |
| website | https://www.cityairporttrain.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: City Airport Train Description of subject: City Airport Train is an express rail service in Vienna that provides a fast, non-stop connection between the city center and Vienna International Airport.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.