Line 18 of Guangzhou Metro
E746482
Line 18 of Guangzhou Metro is a high-speed rapid transit line in Guangzhou, China, designed to provide fast north–south connections between the city center and outlying districts.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Line 18 (Guangzhou Metro) | 2 |
| Line 18 of Guangzhou Metro canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8532575 — 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 18 of Guangzhou Metro Context triple: [Guangzhou Metro Line 7, connectsWith, Line 18 of Guangzhou Metro]
-
A.
Line 4 of Guangzhou Metro
Line 4 of Guangzhou Metro is a rapid transit line in Guangzhou, China, serving key suburban and urban districts as part of the city's extensive metro network.
-
B.
Guangzhou Metro Line 5
Guangzhou Metro Line 5 is a major east–west rapid transit line in Guangzhou’s metro system, connecting key urban districts and serving as an important high-capacity commuter corridor.
-
C.
Guangzhou Metro Line 2
Guangzhou Metro Line 2 is a major north–south rapid transit line in Guangzhou, China, connecting key railway hubs, commercial districts, and residential areas across the city.
-
D.
Guangzhou Metro Line 1
Guangzhou Metro Line 1 is a major east–west rapid transit line in Guangzhou, China, connecting key urban districts and serving as one of the city’s earliest and busiest metro routes.
-
E.
Guangzhou Metro Line 7
Guangzhou Metro Line 7 is a rapid transit line in Guangzhou’s metro system that connects key southern districts and transport hubs, including Guangzhou South Railway Station.
- 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 18 of Guangzhou Metro Target entity description: Line 18 of Guangzhou Metro is a high-speed rapid transit line in Guangzhou, China, designed to provide fast north–south connections between the city center and outlying districts.
-
A.
Line 4 of Guangzhou Metro
Line 4 of Guangzhou Metro is a rapid transit line in Guangzhou, China, serving key suburban and urban districts as part of the city's extensive metro network.
-
B.
Guangzhou Metro Line 5
Guangzhou Metro Line 5 is a major east–west rapid transit line in Guangzhou’s metro system, connecting key urban districts and serving as an important high-capacity commuter corridor.
-
C.
Guangzhou Metro Line 2
Guangzhou Metro Line 2 is a major north–south rapid transit line in Guangzhou, China, connecting key railway hubs, commercial districts, and residential areas across the city.
-
D.
Guangzhou Metro Line 1
Guangzhou Metro Line 1 is a major east–west rapid transit line in Guangzhou, China, connecting key urban districts and serving as one of the city’s earliest and busiest metro routes.
-
E.
Guangzhou Metro Line 7
Guangzhou Metro Line 7 is a rapid transit line in Guangzhou’s metro system that connects key southern districts and transport hubs, including Guangzhou South Railway Station.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| character |
high-speed urban rail
ⓘ
underground ⓘ |
| cityServed | Guangzhou ⓘ |
| connects |
Guangzhou city center
ⓘ
linked to:
Guangzhou
northern districts of Guangzhou ⓘ southern districts of Guangzhou ⓘ |
| country | China ⓘ |
| designedFor | higher operating speeds than conventional metro lines ⓘ |
| direction | north–south ⓘ |
| electrification | overhead line ⓘ |
| fareSystem | Guangzhou Metro fare system ⓘ |
| lineColor | cyan ⓘ |
| lineNumber | 18 ⓘ |
| locatedIn |
China
ⓘ
Guangdong ⓘ
linked to:
Guangdong Province
Guangzhou ⓘ |
| operator | Guangzhou Metro Group ⓘ |
| owner |
Guangzhou Municipal Government
ⓘ
linked to:
Guangzhou Municipal People’s Government
|
| partOf | Guangzhou Metro ⓘ |
| publicTransportMode | rail ⓘ |
| purpose | fast north–south connections between city center and outlying districts ⓘ |
| regionServed |
central Guangzhou
ⓘ
outlying districts of Guangzhou ⓘ |
| rollingStock | high-speed metro trains ⓘ |
| safetySystem | automatic train protection ⓘ |
| servicePattern |
express service
ⓘ
local service ⓘ |
| signalling | communications-based train control ⓘ |
| system | Guangzhou Metro ⓘ |
| 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 18 of Guangzhou Metro Description of subject: Line 18 of Guangzhou Metro is a high-speed rapid transit line in Guangzhou, China, designed to provide fast north–south connections between the city center and outlying districts.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Line 7
linked to: Line 18 of Guangzhou Metro
linked to: Line 18 of Guangzhou Metro