Line 1 (Beijing Subway)
E336882
Line 1 of the Beijing Subway is one of the system’s oldest and most important east–west rapid transit lines, serving central Beijing and connecting major commercial and historical areas.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Line 1 (Beijing Subway) canonical | 20 |
| Beijing Subway Line 1 | 17 |
| Beijing Subway Line 1 stations | 4 |
| Line 1 of Beijing Subway | 1 |
| central Beijing east–west corridor (Line 1) | 1 |
| 北京地铁1号线 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3161699 — 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 1 (Beijing Subway) Context triple: [Line 2 (Beijing Subway), connectsWith, Line 1 (Beijing Subway)]
-
A.
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.
-
B.
Shanghai Metro Line 1
Shanghai Metro Line 1 is one of the main north–south rapid transit lines in Shanghai, China, connecting key commercial and residential districts across the city.
-
C.
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.
-
D.
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.
-
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 1 (Beijing Subway) Target entity description: Line 1 of the Beijing Subway is one of the system’s oldest and most important east–west rapid transit lines, serving central Beijing and connecting major commercial and historical areas.
-
A.
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.
-
B.
Shanghai Metro Line 1
Shanghai Metro Line 1 is one of the main north–south rapid transit lines in Shanghai, China, connecting key commercial and residential districts across the city.
-
C.
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.
-
D.
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.
-
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 (30)
| Predicate | Object |
|---|---|
| instanceOf |
Beijing Subway line
ⓘ
rapid transit line ⓘ |
| character | underground ⓘ |
| connects |
eastern Beijing
ⓘ
major commercial areas of Beijing ⓘ major historical areas of Beijing ⓘ western Beijing ⓘ |
| country | China ⓘ |
| electrification | third rail ⓘ |
| fareSystem | Beijing Subway unified fare system ⓘ |
| importance |
one of the most important trunk lines of the Beijing Subway
ⓘ
one of the oldest lines of the Beijing Subway ⓘ |
| lineColor | red ⓘ |
| location | Beijing ⓘ |
| operator | Beijing Mass Transit Railway Operation Corporation Limited ⓘ |
| orientation | east–west ⓘ |
| owner | Beijing Municipal Government ⓘ |
| partOf |
Beijing urban rail transit network
ⓘ
linked to:
Beijing Subway
|
| passesThrough |
Chang’an Avenue corridor
ⓘ
linked to:
Chang’an Avenue
|
| primaryFunction | east–west passenger transport across central Beijing ⓘ |
| serves |
Guomao CBD area
ⓘ
Tiananmen East area ⓘ Tiananmen West area ⓘ Wangfujing commercial area ⓘ
linked to:
Wangfujing commercial district
Xidan commercial area ⓘ
linked to:
Xidan shopping district
central Beijing ⓘ |
| serviceType | rapid transit ⓘ |
| system | Beijing Subway ⓘ |
| 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 1 (Beijing Subway) Description of subject: Line 1 of the Beijing Subway is one of the system’s oldest and most important east–west rapid transit lines, serving central Beijing and connecting major commercial and historical areas.
Referenced by (44)
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 6
subject linked to:
Line 10
subject linked to:
Line 4
subject linked to:
Line 7
subject linked to:
Line 9
subject linked to:
Line 14
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
subject linked to:
Beijing Subway Line 14 (via transfer bus links and area connections)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
subject linked to:
Exit B
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)
linked to: Line 1 (Beijing Subway)