M17 line
E669396
The M17 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M17 line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7175661 — 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: M17 line Context triple: [Istanbul Metro, hasLine, M17 line]
-
A.
M11 line
The M11 line is a rapid transit route of the Istanbul Metro system that connects the city center with Istanbul Airport and other northern districts.
-
B.
M14 line
The M14 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
C.
M7 line
The M7 line is a fully automated rapid transit route in the Istanbul Metro system that serves the city’s European side.
-
D.
M8 line
The M8 line is a rapid transit route within the Istanbul Metro system that serves as one of the city’s key urban rail corridors.
-
E.
M4 line
The M4 line is a rapid transit route of the Istanbul Metro system serving the city’s Asian side.
- 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: M17 line Target entity description: The M17 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest city.
-
A.
M11 line
The M11 line is a rapid transit route of the Istanbul Metro system that connects the city center with Istanbul Airport and other northern districts.
-
B.
M14 line
The M14 line is a metro line within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
C.
M7 line
The M7 line is a fully automated rapid transit route in the Istanbul Metro system that serves the city’s European side.
-
D.
M8 line
The M8 line is a rapid transit route within the Istanbul Metro system that serves as one of the city’s key urban rail corridors.
-
E.
M4 line
The M4 line is a rapid transit route within the Ankara Metro system serving passengers in Turkey’s capital city.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| cityServed | Istanbul ⓘ |
| country | Turkey ⓘ |
| farePaymentMethod | contactless smart card ⓘ |
| farePaymentSystem | Istanbulkart ⓘ |
| fareSystem | Istanbul public transport fare system ⓘ |
| hasAccessibilityFeature |
access for passengers with reduced mobility
ⓘ
step-free access at stations ⓘ |
| hasLanguageOfSignage |
English
ⓘ
Turkish ⓘ |
| hasOperator | Istanbul Metro operator ⓘ |
| hasServiceType | all-stations stopping service ⓘ |
| isInMetropolitanArea |
Istanbul metropolitan area
ⓘ
linked to:
Greater Istanbul metropolitan area
|
| isPartOf | public transport network of Istanbul ⓘ |
| isRailwayType |
electric railway
ⓘ
passenger railway ⓘ |
| isUrbanRail | yes ⓘ |
| locatedIn | Istanbul ⓘ |
| locatedInCountry | Turkey ⓘ |
| network | Istanbul urban rail network ⓘ |
| partOf | Istanbul Metro ⓘ |
| primaryUse | urban passenger transport ⓘ |
| publicTransportMode | metro ⓘ |
| safetySystem | modern metro signalling system ⓘ |
| serves | passengers in Istanbul ⓘ |
| system |
Istanbul Metro system
ⓘ
linked to:
Istanbul Metro
|
| ticketingSystem | automated fare collection ⓘ |
| transportType | rapid transit ⓘ |
| usesInfrastructureType | grade-separated railway ⓘ |
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: M17 line Description of subject: The M17 line is a rapid transit route within the Istanbul Metro system serving passengers in Turkey’s largest city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.