Line 17
E215454
Line 17 is a suburban rapid transit line of the Shanghai Metro that primarily serves the western districts of the city, connecting urban Shanghai with outlying residential and developing areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 17 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1768705 — 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 17 Context triple: [Shanghai Metro, hasLine, Line 17]
-
A.
Line 17
Line 17 is a rapid transit line of the Beijing Subway system designed to improve north–south connectivity across the city.
-
B.
Line 18
Line 18 is a high-speed rapid transit line of the Guangzhou Metro system in Guangzhou, China.
-
C.
Line 16
Line 16 is a rapid transit line of the Beijing Subway system serving parts of the city with modern, high-capacity metro service.
-
D.
Line 16
Line 16 is a suburban rapid transit line of the Shanghai Metro that connects central Shanghai with the southeastern outskirts, including the Lingang area.
-
E.
Line 19
Line 19 is a north–south rapid transit line of the Beijing Subway designed to improve connectivity between the city's central districts and its outer areas.
- 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 17 Target entity description: Line 17 is a suburban rapid transit line of the Shanghai Metro that primarily serves the western districts of the city, connecting urban Shanghai with outlying residential and developing areas.
-
A.
Line 17
Line 17 is a rapid transit line of the Beijing Subway system designed to improve north–south connectivity across the city.
-
B.
Line 18
Line 18 is a high-speed rapid transit line of the Guangzhou Metro system in Guangzhou, China.
-
C.
Line 16
Line 16 is a rapid transit line of the Beijing Subway system serving parts of the city with modern, high-capacity metro service.
-
D.
Line 16
Line 16 is a suburban rapid transit line of the Shanghai Metro that connects central Shanghai with the southeastern outskirts, including the Lingang area.
-
E.
Line 19
Line 19 is a north–south rapid transit line of the Beijing Subway designed to improve connectivity between the city's central districts and its outer areas.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Shanghai Metro line
ⓘ
suburban rapid transit line ⓘ |
| character |
partly elevated
ⓘ
partly underground ⓘ suburban ⓘ |
| connects |
developing areas in western Shanghai
ⓘ
outlying residential areas of Shanghai ⓘ urban Shanghai ⓘ |
| country | China ⓘ |
| electrification |
1500 V DC
ⓘ
overhead line ⓘ |
| fareCollection |
contactless smart card
ⓘ
single-journey ticket ⓘ |
| fareSystem | Shanghai Metro unified fare system ⓘ |
| hasConnectionWith |
Hongqiao transportation hub
ⓘ
linked to:
Hongqiao transport hub
Line 2 (Shanghai Metro) ⓘ
linked to:
Shanghai Metro Line 2
|
| locatedIn | Shanghai ⓘ |
| operator | Shanghai No. 2 Metro Operation Co. Ltd. ⓘ |
| partOf |
Shanghai urban rail transit network
ⓘ
linked to:
Shanghai Metro
|
| primaryFunction | connect central Shanghai with western suburbs ⓘ |
| regionServed |
Yangtze River Delta metropolitan region
ⓘ
linked to:
Yangtze River Delta
|
| rollingStockType | Shanghai Metro Type A trains ⓘ |
| serves | commuters in western Shanghai ⓘ |
| serviceArea |
Minhang District
ⓘ
Qingpu District ⓘ western Shanghai ⓘ |
| system | Shanghai 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 17 Description of subject: Line 17 is a suburban rapid transit line of the Shanghai Metro that primarily serves the western districts of the city, connecting urban Shanghai with outlying residential and developing areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.