M29 line
E667942
The M29 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M29 line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7175673 — 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: M29 line Context triple: [Istanbul Metro, hasLine, M29 line]
-
A.
M9 line
The M9 line is a rapid transit route within the Istanbul Metro system serving the city’s European side.
-
B.
M26 line
The M26 line is a planned metro route within the Istanbul Metro network intended to expand rapid transit service in the city.
-
C.
M22 line
The M22 line is a planned rapid transit route within the Istanbul Metro network intended to expand urban rail connectivity in the city.
-
D.
M27 line
The M27 line is a planned rapid transit route within the Istanbul Metro network designed to expand urban rail connectivity in the city.
-
E.
S29 line
The S29 line is a regional commuter rail service within the Zürich S-Bahn network, connecting suburban and outlying areas with the greater Zürich region.
- 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: M29 line Target entity description: The M29 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
A.
M9 line
The M9 line is a rapid transit route within the Istanbul Metro system serving the city’s European side.
-
B.
M26 line
The M26 line is a planned metro route within the Istanbul Metro network intended to expand rapid transit service in the city.
-
C.
M22 line
The M22 line is a planned rapid transit route within the Istanbul Metro network intended to expand urban rail connectivity in the city.
-
D.
M27 line
The M27 line is a planned rapid transit route within the Istanbul Metro network designed to expand urban rail connectivity in the city.
-
E.
S29 line
The S29 line is a regional commuter rail service within the Zürich S-Bahn network, connecting suburban and outlying areas with the greater Zürich region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| country | Turkey ⓘ |
| fareCollection | contactless smart card ⓘ |
| fareSystem | Istanbulkart ⓘ |
| hasAccessibility | accessible to disabled passengers ⓘ |
| hasElectrification | electric railway ⓘ |
| hasLanguageOfSignage |
English
ⓘ
Turkish ⓘ |
| hasLocale |
Asian side of Istanbul
ⓘ
European side of Istanbul ⓘ |
| hasMode | rail ⓘ |
| hasOperator | Metro Istanbul ⓘ |
| hasOwner | Istanbul Metropolitan Municipality ⓘ |
| hasRollingStockType | electric multiple unit ⓘ |
| hasRouteType |
grade-separated
ⓘ
underground ⓘ |
| hasServiceType | metro ⓘ |
| hasSignalling | automatic train control ⓘ |
| hasTrackGauge | standard gauge ⓘ |
| isInNetwork |
Istanbul urban rail system
ⓘ
linked to:
Istanbul public transport network
|
| isPublicTransportRoute | yes ⓘ |
| locatedIn | Istanbul ⓘ |
| locatedInCountry | Turkey ⓘ |
| partOf | Istanbul Metro ⓘ |
| safetySystem | automatic train protection ⓘ |
| servesCity | Istanbul ⓘ |
| system |
Istanbul Metro rapid transit network
ⓘ
linked to:
Istanbul Metro
|
| transportNetworkType | rapid transit ⓘ |
| usesTicketingSystem | Istanbulkart ⓘ |
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: M29 line Description of subject: The M29 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.