M1A line
E646534
The M1A line is a major rapid transit route in the Istanbul Metro system that connects central Istanbul with Atatürk Airport and several key western districts.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T7175645 — 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: M1A line Context triple: [Istanbul Metro, hasLine, M1A 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.
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B.
M-153
M-153 is a state trunkline highway in Michigan, commonly known as Ford Road, that serves as a major east–west arterial route through the Detroit metropolitan area.
-
C.
M-14
M-14 is a state highway in southeastern Michigan that serves as a major commuter route connecting Ann Arbor with the western suburbs of the Detroit metropolitan area.
-
D.
M-45
M-45 is a state highway in Michigan that runs east–west through the Grand Rapids area toward the Lake Michigan shoreline.
-
E.
M-45
M-45 is a major ring road in the Madrid metropolitan area that helps divert traffic around the city and connect several eastern suburbs.
- 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: M1A line Target entity description: The M1A line is a major rapid transit route in the Istanbul Metro system that connects central Istanbul with Atatürk Airport and several key western districts.
-
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.
M-153
M-153 is a state trunkline highway in Michigan, commonly known as Ford Road, that serves as a major east–west arterial route through the Detroit metropolitan area.
-
C.
M-14
M-14 is a state highway in southeastern Michigan that serves as a major commuter route connecting Ann Arbor with the western suburbs of the Detroit metropolitan area.
-
D.
M-45
M-45 is a state highway in Michigan that runs east–west through the Grand Rapids area toward the Lake Michigan shoreline.
-
E.
M-45
M-45 is a major ring road in the Madrid metropolitan area that helps divert traffic around the city and connect several eastern suburbs.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| character | underground and at-grade ⓘ |
| connectsDistrict |
Bahçelievler
NERFINISHED
ⓘ
Bakırköy NERFINISHED ⓘ Bağcılar NERFINISHED ⓘ Fatih NERFINISHED ⓘ Güngören NERFINISHED ⓘ Zeytinburnu NERFINISHED ⓘ |
| connectsTo |
Atatürk Airport
NERFINISHED
ⓘ
Yenikapı Transfer Center NERFINISHED ⓘ central Istanbul ⓘ |
| electrification | 750 V DC third rail ⓘ |
| hasBranch | M1B line NERFINISHED ⓘ |
| hasStation |
Aksaray station
NERFINISHED
ⓘ
Ataköy-Şirinevler station NERFINISHED ⓘ Atatürk Havalimanı station NERFINISHED ⓘ Bahçelievler station NERFINISHED ⓘ Bakırköy-Incirli station NERFINISHED ⓘ Bayrampaşa-Maltepe station NERFINISHED ⓘ DTM-İstanbul Fuar Merkezi station NERFINISHED ⓘ Emniyet-Fatih station NERFINISHED ⓘ Kocatepe station NERFINISHED ⓘ Otogar station NERFINISHED ⓘ Sağmalcılar station NERFINISHED ⓘ Topkapı-Ulubatlı station NERFINISHED ⓘ Yenibosna station NERFINISHED ⓘ Yenikapı station NERFINISHED ⓘ Zeytinburnu station NERFINISHED ⓘ |
| interchangeWith |
M2 line
NERFINISHED
ⓘ
Marmaray line NERFINISHED ⓘ Metrobus system NERFINISHED ⓘ T1 tram line NERFINISHED ⓘ |
| isOneOf | oldest metro lines in Istanbul ⓘ |
| lineCode | M1A ⓘ |
| lineColor | red ⓘ |
| locatedIn |
Istanbul
ⓘ
Turkey ⓘ |
| openingDate | 1989 ⓘ |
| operatedBy | Metro Istanbul NERFINISHED ⓘ |
| ownedBy | Istanbul Metropolitan Municipality NERFINISHED ⓘ |
| partOf | Istanbul Metro NERFINISHED ⓘ |
| serviceType |
metro
ⓘ
rapid transit ⓘ |
| sharesInfrastructureWith | M1B line NERFINISHED ⓘ |
| status | in operation ⓘ |
| system | Istanbul Metro NERFINISHED ⓘ |
| terminusStation |
Atatürk Airport
NERFINISHED
ⓘ
Yenikapı NERFINISHED ⓘ |
| trackGauge | 1,435 mm ⓘ |
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: M1A line Description of subject: The M1A line is a major rapid transit route in the Istanbul Metro system that connects central Istanbul with Atatürk Airport and several key western districts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
M1B line