M31 line
E646539
The M31 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M31 line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7175675 — 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: M31 line Context triple: [Istanbul Metro, hasLine, M31 line]
-
A.
M line
The M line is a New York City Subway service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
-
B.
Marches Line
Marches Line is a major railway route in the United Kingdom running through the Welsh Marches, connecting South Wales with the English Midlands and Northwest.
-
C.
EverLine
EverLine is an automated light rail transit line serving the city of Yongin in the Seoul Capital Area, connecting local districts to the broader Seoul Metropolitan Subway network.
-
D.
Y Line
Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
-
E.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay 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: M31 line Target entity description: The M31 line is a metro route within the Istanbul Metro rapid transit network in Istanbul, Turkey.
-
A.
M line
The M line is a New York City Subway service that runs primarily in Manhattan, Brooklyn, and Queens, connecting neighborhoods such as Middle Village and Forest Hills with Midtown Manhattan via the Sixth Avenue Line.
-
B.
Marches Line
Marches Line is a major railway route in the United Kingdom running through the Welsh Marches, connecting South Wales with the English Midlands and Northwest.
-
C.
EverLine
EverLine is an automated light rail transit line serving the city of Yongin in the Seoul Capital Area, connecting local districts to the broader Seoul Metropolitan Subway network.
-
D.
Y Line
Y Line is the common abbreviation for the Osaka Metro Yotsubashi Line, a rapid transit line serving central Osaka, Japan.
-
E.
C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| cityServed | Istanbul ⓘ |
| continent |
Asia
ⓘ
Europe ⓘ |
| country | Turkey ⓘ |
| electrification | electric railway ⓘ |
| fareSystem | Istanbulkart ⓘ |
| gauge | standard gauge ⓘ |
| hasLanguage | Turkish ⓘ |
| hasSignageLanguage |
English
ⓘ
Turkish ⓘ |
| hasStationType |
at-grade station
ⓘ
elevated station ⓘ underground station ⓘ |
| locatedIn |
Istanbul
ⓘ
Turkey ⓘ |
| locatedOn |
Bosporus metropolitan area
ⓘ
linked to:
Bosphorus region
|
| operator | Metro Istanbul ⓘ |
| owner | Istanbul Metropolitan Municipality ⓘ |
| partOf | Istanbul Metro ⓘ |
| publicTransportNetwork | Istanbul public transport network ⓘ |
| system | Istanbul Metro ⓘ |
| transitType | rapid transit ⓘ |
| transportType | 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: M31 line Description of subject: The M31 line is a metro route 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.