Line 7 (Beijing Subway)
E346770
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Line 7 (Beijing Subway) canonical | 12 |
| Beijing Subway Line 7 | 5 |
| Beijing Subway Line 7 stations | 1 |
| Line 7 of the Beijing Subway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3161703 — 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 7 (Beijing Subway) Context triple: [Line 2 (Beijing Subway), connectsWith, Line 7 (Beijing Subway)]
-
A.
Line 5 (Beijing Subway)
Line 5 of the Beijing Subway is a major north–south rapid transit line running through central Beijing, known for connecting key residential and commercial areas and easing congestion on parallel routes.
-
B.
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.
-
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.
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.
-
E.
Line 4 (Beijing Subway)
Line 4 of the Beijing Subway is a major north–south rapid transit line serving central Beijing, connecting key commercial, residential, and cultural areas and linking with multiple other subway lines.
- 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 7 (Beijing Subway) Target entity description: 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.
-
A.
Line 5 (Beijing Subway)
Line 5 of the Beijing Subway is a major north–south rapid transit line running through central Beijing, known for connecting key residential and commercial areas and easing congestion on parallel routes.
-
B.
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.
-
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.
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.
-
E.
Line 4 (Beijing Subway)
Line 4 of the Beijing Subway is a major north–south rapid transit line serving central Beijing, connecting key commercial, residential, and cultural areas and linking with multiple other subway lines.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
metro line ⓘ rapid transit line ⓘ |
| city | Beijing ⓘ |
| connects |
central Beijing
ⓘ
southern Beijing ⓘ |
| country | China ⓘ |
| direction | east–west ⓘ |
| electrification | third rail ⓘ |
| fareCollection | automatic fare collection system ⓘ |
| fareSystem | Beijing Subway unified fare system ⓘ |
| hasFeature |
accessibility features for disabled passengers
ⓘ
air-conditioned trains ⓘ electronic passenger information displays ⓘ platform screen doors ⓘ |
| hasMode | underground ⓘ |
| hasService | all-stop service ⓘ |
| isPartOf | public transport system of Beijing ⓘ |
| locale |
central Beijing
ⓘ
southern Beijing ⓘ |
| networkRole | east–west trunk line in southern urban area ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | Beijing Mass Transit Railway Operation Corporation Limited ⓘ |
| owner | Beijing Municipal Government ⓘ |
| partOf |
Beijing Subway
ⓘ
surface form:
Beijing urban rail transit network
|
| primaryFunction | passenger transport ⓘ |
| purpose | urban mass transit ⓘ |
| regulatoryAuthority | Beijing Municipal Commission of Transport ⓘ |
| rollingStockType | Type B metro trains ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ |
| servesAreaType |
commercial areas
ⓘ
cultural areas ⓘ residential areas ⓘ |
| serviceType | rapid transit ⓘ |
| system | Beijing Subway ⓘ |
| ticketing |
contactless smart card
ⓘ
single-journey ticket ⓘ |
| ticketMedium |
Beijing Yikatong
ⓘ
surface form:
Yikatong card
|
| trackGauge | standard gauge ⓘ |
| transportMode | 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: Line 7 (Beijing Subway) Description of subject: 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.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Line 2 (Beijing Subway)
subject surface form:
Line 6 (Beijing Subway)
subject surface form:
Line 10 (Beijing Subway)
subject surface form:
Line 9 (Beijing Subway)
subject surface form:
Line 14 (Beijing Subway)
this entity surface form:
Beijing Subway Line 7
Beijing Subway Line 14 (via transfer bus links and area connections)
→
connectsWith
→
Line 7 (Beijing Subway)
ⓘ
subject surface form:
Beijing Subway Line 14
this entity surface form:
Beijing Subway Line 7
this entity surface form:
Line 7 of the Beijing Subway
this entity surface form:
Beijing Subway Line 7
this entity surface form:
Beijing Subway Line 7
this entity surface form:
Beijing Subway Line 7
this entity surface form:
Beijing Subway Line 7 stations