Daxing Airport Express
E69213
Daxing Airport Express is a dedicated rapid transit line in Beijing that connects the city center with Beijing Daxing International Airport.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Daxing Airport Express canonical | 9 |
| Beijing Subway Daxing Airport Express | 2 |
| Daxing Airport Express (Beijing Subway) | 1 |
| Daxing Airport Express (via connected lines) | 1 |
| 大兴机场线 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T530976 — 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: Daxing Airport Express Context triple: [Beijing Subway, hasLine, Daxing Airport Express]
-
A.
Fangshan Line
Fangshan Line is a rapid transit line in the Beijing Subway system serving the southwestern Fangshan District and connecting it with Beijing’s urban core.
-
B.
Beijing Subway
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
-
C.
Beijing–Guangzhou High-Speed Railway
The Beijing–Guangzhou High-Speed Railway is one of China’s longest and busiest high-speed rail corridors, linking the capital Beijing with the southern metropolis Guangzhou and serving major cities along the route.
-
D.
Beijing–Guangzhou Railway
The Beijing–Guangzhou Railway is one of China’s longest and most important north–south trunk rail lines, connecting the capital Beijing with the major southern metropolis of Guangzhou and serving numerous key cities along its route.
-
E.
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.
- 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: Daxing Airport Express Target entity description: Daxing Airport Express is a dedicated rapid transit line in Beijing that connects the city center with Beijing Daxing International Airport.
-
A.
Fangshan Line
Fangshan Line is a rapid transit line in the Beijing Subway system serving the southwestern Fangshan District and connecting it with Beijing’s urban core.
-
B.
Beijing Subway
The Beijing Subway is one of the world’s largest and busiest rapid transit systems, forming the backbone of public transportation in China’s capital city.
-
C.
Beijing–Guangzhou High-Speed Railway
The Beijing–Guangzhou High-Speed Railway is one of China’s longest and busiest high-speed rail corridors, linking the capital Beijing with the southern metropolis Guangzhou and serving major cities along the route.
-
D.
Beijing–Guangzhou Railway
The Beijing–Guangzhou Railway is one of China’s longest and most important north–south trunk rail lines, connecting the capital Beijing with the major southern metropolis of Guangzhou and serving numerous key cities along its route.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
airport rail link ⓘ rapid transit line ⓘ |
| category |
Airport rail links in China
ⓘ
Rail transport in Beijing ⓘ |
| character | underground ⓘ |
| colorOnMap | blue ⓘ |
| connectsWith |
Beijing Daxing International Airport
ⓘ
Beijing city center ⓘ
linked to:
Beijing
|
| country | China ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | separate fare from most Beijing Subway lines ⓘ |
| fareType | distance-based ⓘ |
| hasConnection |
Beijing Daxing International Airport terminal building
ⓘ
linked to:
Beijing Daxing International Airport
|
| hasFeature |
in-town check-in facilities at Caoqiao station
ⓘ
luggage racks on trains ⓘ |
| interchange | Line 10 at Caoqiao station ⓘ |
| languageOfName | Chinese ⓘ |
| lineLength | about 41.4 km ⓘ |
| locatedIn | Beijing ⓘ |
| maximumSpeed | 160 km/h ⓘ |
| nativeName |
大兴机场线
ⓘ
linked to:
Daxing Airport Express
|
| nativeNameLanguage | zh ⓘ |
| numberOfStations | 4 ⓘ |
| opened | 2019-09-26 ⓘ |
| openingEvent | opening of Beijing Daxing International Airport ⓘ |
| operator | Beijing MTR Corporation Limited ⓘ |
| owner | Beijing Municipal Government ⓘ |
| partOf |
Beijing rail transit network
ⓘ
linked to:
Beijing Subway
|
| purpose | connect Beijing city center with Beijing Daxing International Airport ⓘ |
| regionServed |
Daxing District
ⓘ
Fengtai District ⓘ |
| rollingStock | Type A metro trains ⓘ |
| serviceStart | 2019 ⓘ |
| serviceType | express ⓘ |
| station |
Caoqiao station
ⓘ
Daxing Airport station ⓘ Daxing Xincheng station ⓘ
linked to:
Daxing Airport station
Guanyinsi station ⓘ |
| status | operational ⓘ |
| system | Beijing Subway ⓘ |
| terminus |
Caoqiao station
ⓘ
Daxing Airport station ⓘ |
| ticketing |
supports China T-Union cards
ⓘ
supports mobile QR code payment ⓘ |
| trackGauge | standard gauge ⓘ |
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: Daxing Airport Express Description of subject: Daxing Airport Express is a dedicated rapid transit line in Beijing that connects the city center with Beijing Daxing International Airport.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.