Line 19 (Beijing Subway)
E451206
Line 19 of the Beijing Subway is a modern rapid transit line in Beijing designed to enhance north–south connectivity and relieve congestion on existing central routes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line 19 (Beijing Subway) canonical | 3 |
| Line 17 (Beijing Subway) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3216853 — 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: Line 19 (Beijing Subway) Context triple: [Line 7 (Beijing Subway), interchangeWith, Line 19 (Beijing Subway)]
-
A.
Line 15 (Beijing Subway)
Line 15 of the Beijing Subway is a major suburban rapid transit line serving northern Beijing, connecting residential districts, technology hubs, and the Capital Airport area to the broader metro network.
-
B.
Line 16 (Beijing Subway)
Line 16 (Beijing Subway) is a rapid transit line in Beijing’s subway system that runs roughly north–south through the city, serving areas including the National Library and connecting residential districts with central urban zones.
-
C.
Line 14 (Beijing Subway)
Line 14 of the Beijing Subway is a major urban rail line serving key residential and commercial districts in Beijing as part of the city's extensive metro network.
-
D.
Line 10 (Beijing Subway)
Line 10 of the Beijing Subway is a major loop line encircling central Beijing, providing extensive transfer connections and helping distribute passenger flow across the network.
-
E.
Line 13 (Beijing Subway)
Line 13 of the Beijing Subway is a suburban loop line in the northern part of the city that serves as an important feeder route connecting multiple radial lines and residential districts.
- 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: Line 19 (Beijing Subway) Target entity description: Line 19 of the Beijing Subway is a modern rapid transit line in Beijing designed to enhance north–south connectivity and relieve congestion on existing central routes.
-
A.
Line 15 (Beijing Subway)
Line 15 of the Beijing Subway is a major suburban rapid transit line serving northern Beijing, connecting residential districts, technology hubs, and the Capital Airport area to the broader metro network.
-
B.
Line 16 (Beijing Subway)
Line 16 (Beijing Subway) is a rapid transit line in Beijing’s subway system that runs roughly north–south through the city, serving areas including the National Library and connecting residential districts with central urban zones.
-
C.
Line 14 (Beijing Subway)
Line 14 of the Beijing Subway is a major urban rail line serving key residential and commercial districts in Beijing as part of the city's extensive metro network.
-
D.
Line 10 (Beijing Subway)
Line 10 of the Beijing Subway is a major loop line encircling central Beijing, providing extensive transfer connections and helping distribute passenger flow across the network.
-
E.
Line 13 (Beijing Subway)
Line 13 of the Beijing Subway is a suburban loop line in the northern part of the city that serves as an important feeder route connecting multiple radial lines and residential districts.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
rapid transit line ⓘ |
| category |
Beijing Subway lines
ⓘ
Rail transport in Beijing ⓘ |
| character | underground ⓘ |
| cityServed | Beijing NERFINISHED ⓘ |
| country | China ⓘ |
| designGoal |
improve connectivity between northern and southern districts of Beijing
ⓘ
provide additional capacity for central Beijing ⓘ |
| electrification | third rail ⓘ |
| environment | underground tunnels ⓘ |
| fareCollection | automatic fare collection system ⓘ |
| fareSystem | Beijing Subway unified fare system ⓘ |
| languageOfSignage |
Chinese
ⓘ
English ⓘ |
| locatedIn | Beijing ⓘ |
| operator | Beijing Mass Transit Railway Operation Corporation Limited NERFINISHED ⓘ |
| owner | Beijing Municipal Government NERFINISHED ⓘ |
| partOf | Beijing municipal rail transit planning NERFINISHED ⓘ |
| primaryDirection | north–south ⓘ |
| publicTransportNetwork | Beijing urban rail transit network NERFINISHED ⓘ |
| purpose |
enhance north–south connectivity in Beijing
ⓘ
relieve congestion on existing central Beijing Subway routes ⓘ |
| regionServed | central Beijing ⓘ |
| rollingStockType | electric multiple units ⓘ |
| safetySystem | automatic train protection ⓘ |
| serviceType | urban metro ⓘ |
| system | Beijing Subway NERFINISHED ⓘ |
| ticketing |
QR code mobile payment
ⓘ
contactless smart card ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
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: Line 19 (Beijing Subway) Description of subject: Line 19 of the Beijing Subway is a modern rapid transit line in Beijing designed to enhance north–south connectivity and relieve congestion on existing central routes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Line 7 (Beijing Subway)
subject surface form:
Line 14 (Beijing Subway)
this entity surface form:
Line 17 (Beijing Subway)