Beijing Subway Line 15
E526561
Beijing Subway Line 15 is a major east–west rapid transit line in Beijing that serves northern parts of the city, connecting key residential and technology hub areas including sections of Haidian District.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Beijing Subway Line 15 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4008115 — 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: Beijing Subway Line 15 Context triple: [Haidian District, hasTransportation, Beijing Subway Line 15]
-
A.
Beijing Subway Line 16
Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
-
B.
Batong Line (Beijing Subway)
The Batong Line of the Beijing Subway is an eastern suburban rapid transit line that extends the main network into the Tongzhou District, serving as a key commuter corridor for residents traveling to and from central Beijing.
-
C.
Changping Line (Beijing Subway)
The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
-
D.
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.
-
E.
Shanghai Metro Line 15
Shanghai Metro Line 15 is a north–south rapid transit line in Shanghai’s metro system serving numerous districts with fully automated trains.
- 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: Beijing Subway Line 15 Target entity description: Beijing Subway Line 15 is a major east–west rapid transit line in Beijing that serves northern parts of the city, connecting key residential and technology hub areas including sections of Haidian District.
-
A.
Beijing Subway Line 16
Beijing Subway Line 16 is a rapid transit line in Beijing’s subway network that runs generally north–south, connecting the city’s northern suburbs with central and southwestern districts.
-
B.
Batong Line (Beijing Subway)
The Batong Line of the Beijing Subway is an eastern suburban rapid transit line that extends the main network into the Tongzhou District, serving as a key commuter corridor for residents traveling to and from central Beijing.
-
C.
Changping Line (Beijing Subway)
The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
-
D.
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.
-
E.
Shanghai Metro Line 15
Shanghai Metro Line 15 is a north–south rapid transit line in Shanghai’s metro system serving numerous districts with fully automated trains.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
rapid transit line ⓘ |
| accessibility | stations equipped with elevators at selected entrances ⓘ |
| city | Beijing ⓘ |
| connects |
residential areas in northern Beijing
ⓘ
technology hub areas in northern Beijing ⓘ |
| country | China ⓘ |
| electrification | third rail ⓘ |
| fareSystem | Beijing Subway unified fare system ⓘ |
| integration | interchange with other Beijing Subway lines at multiple stations ⓘ |
| lineColor | designated distinct color on Beijing Subway maps ⓘ |
| locale | urban ⓘ |
| operator | Beijing Mass Transit Railway Operation Corporation Limited ⓘ |
| orientation | east–west ⓘ |
| owner | Beijing Municipal Government ⓘ |
| partOfNetwork |
Beijing urban rail transit network
ⓘ
linked to:
Beijing Subway
|
| planningGoal |
improve east–west connectivity in northern Beijing
ⓘ
support development of technology and residential clusters in Haidian and nearby districts ⓘ |
| primaryFunction |
commuter transport
ⓘ
feeder to technology parks ⓘ |
| rollingStockType | electric multiple units ⓘ |
| safetyFeatures | platform screen doors at most stations ⓘ |
| serves |
key residential communities in northern Beijing
ⓘ
technology hubs in Haidian District ⓘ |
| servesArea | northern Beijing ⓘ |
| servesDistrict | Haidian District ⓘ |
| serviceAreaCharacteristic | northern suburban-urban corridor of Beijing ⓘ |
| servicePattern | all-stations ⓘ |
| system | Beijing Subway ⓘ |
| ticketing |
contactless smart card accepted
ⓘ
single-journey tickets accepted ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | heavy rail ⓘ |
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: Beijing Subway Line 15 Description of subject: Beijing Subway Line 15 is a major east–west rapid transit line in Beijing that serves northern parts of the city, connecting key residential and technology hub areas including sections of Haidian District.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Beijing Subway Line 14 (via transfer bus links and area connections)