Line 9 (Beijing Subway)
E350024
Line 9 of the Beijing Subway is a rapid transit line serving southwestern Beijing, providing important connections between residential districts and major interchange hubs in the city’s metro network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line 9 (Beijing Subway) canonical | 16 |
| Beijing Subway Line 9 | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3161705 — 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 9 (Beijing Subway) Context triple: [Line 2 (Beijing Subway), connectsWith, Line 9 (Beijing Subway)]
-
A.
Line 8 (Beijing Subway)
Line 8 of the Beijing Subway is a rapid transit line serving key areas of Beijing, including central and northern districts and major Olympic venues.
-
B.
Line 7 (Beijing Subway)
Line 7 of the Beijing Subway is an east–west rapid transit line serving central and southern Beijing, connecting key residential, commercial, and cultural areas.
-
C.
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.
-
D.
Line 6 (Beijing Subway)
Line 6 of the Beijing Subway is an important east–west rapid transit line that serves central Beijing, helping to relieve congestion on parallel routes and improve cross-city connectivity.
-
E.
Yizhuang Line
The Yizhuang Line is a rapid transit line of the Beijing Subway system serving the Yizhuang economic and technological development area in southeastern Beijing.
- 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 9 (Beijing Subway) Target entity description: Line 9 of the Beijing Subway is a rapid transit line serving southwestern Beijing, providing important connections between residential districts and major interchange hubs in the city’s metro network.
-
A.
Line 8 (Beijing Subway)
Line 8 of the Beijing Subway is a rapid transit line serving key areas of Beijing, including central and northern districts and major Olympic venues.
-
B.
Line 7 (Beijing Subway)
Line 7 of the Beijing Subway is an east–west rapid transit line serving central and southern Beijing, connecting key residential, commercial, and cultural areas.
-
C.
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.
-
D.
Line 6 (Beijing Subway)
Line 6 of the Beijing Subway is an important east–west rapid transit line that serves central Beijing, helping to relieve congestion on parallel routes and improve cross-city connectivity.
-
E.
Yizhuang Line
The Yizhuang Line is a rapid transit line of the Beijing Subway system serving the Yizhuang economic and technological development area in southeastern Beijing.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
rapid transit line ⓘ |
| accessibilityFeature |
elevators at many stations
ⓘ
tactile paving for the visually impaired ⓘ |
| category |
Beijing Subway lines
ⓘ
Rail transport in Beijing ⓘ |
| connectivityImportance | important connection between southwestern residential areas and citywide transfer hubs ⓘ |
| connects |
major interchange hubs in the Beijing Subway network
ⓘ
residential districts in southwestern Beijing ⓘ |
| electrification | 750 V DC third rail ⓘ |
| environment | fully grade-separated ⓘ |
| fareIntegration | integrated with other Beijing Subway lines ⓘ |
| fareMediumAccepted |
Yikatong stored-value card
ⓘ
linked to:
Beijing Yikatong
single-journey ticket ⓘ |
| fareSystem | Beijing Subway unified fare system ⓘ |
| function | urban mass transit ⓘ |
| hasLanguageOfSignage |
Chinese
ⓘ
English ⓘ |
| hasPlatformType |
island platform
ⓘ
side platform ⓘ |
| hasSecurityFeature |
CCTV surveillance in stations and trains
ⓘ
security checks at station entrances ⓘ |
| hasService |
off-peak regular interval service
ⓘ
peak-hour high-frequency trains ⓘ |
| hasSignageSystem |
bilingual station names
ⓘ
color-coded line identification ⓘ |
| hasStationType | underground station ⓘ |
| infrastructureType | underground railway ⓘ |
| interchangeRole | provides transfers between multiple Beijing Subway lines ⓘ |
| locatedIn |
Beijing
ⓘ
China ⓘ |
| networkRole | relieves congestion on central Beijing north–south corridors ⓘ |
| operator | Beijing Mass Transit Railway Operation Corporation Limited ⓘ |
| owner | Beijing Municipal Government ⓘ |
| partOf |
Beijing urban rail transit network
ⓘ
linked to:
Beijing public transit network
|
| primaryUse | commuter transport ⓘ |
| role | north–south corridor in southwestern Beijing ⓘ |
| safetyFeature | platform screen doors at most stations ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ |
| servesArea | southwestern Beijing ⓘ |
| servicePattern | all-stations ⓘ |
| system | Beijing Subway ⓘ |
| ticketingSystem | distance-based fare ⓘ |
| ticketInspection | automatic fare collection gates ⓘ |
| ticketIntegration | integrated with some Beijing surface public transport services ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | metro ⓘ |
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 9 (Beijing Subway) Description of subject: Line 9 of the Beijing Subway is a rapid transit line serving southwestern Beijing, providing important connections between residential districts and major interchange hubs in the city’s metro network.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Line 2
subject linked to:
Line 6
subject linked to:
Line 10
subject linked to:
Line 4
subject linked to:
Line 7
subject linked to:
Line 14
linked to: Line 9 (Beijing Subway)
subject linked to:
Beijing Subway Line 14 (via transfer bus links and area connections)
linked to: Line 9 (Beijing Subway)