M22 line
E651101
The M22 line is a planned rapid transit route within the Istanbul Metro network intended to expand urban rail connectivity in the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M22 line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7175666 — 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: M22 line Context triple: [Istanbul Metro, hasLine, M22 line]
-
A.
M20 line
The M20 line is a rapid transit route within the Istanbul Metro system, serving as part of the city's urban rail network.
-
B.
M2 line
The M2 line is a fully automated metro line in Lausanne, Switzerland, running on a steep north–south route that connects the city center with surrounding districts and the lakeshore.
-
C.
M2 line
The M2 line is a major rapid transit route within the Ankara Metro system in Turkey, serving key districts of the capital city.
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D.
M2 line
The M2 line is a major rapid transit route of the Istanbul Metro system that runs in a north–south direction, connecting key districts on the European side of the city.
-
E.
M2 line
The M2 line is one of the main lines of the Helsinki Metro rapid transit system, serving key districts across the Helsinki metropolitan area.
- 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: M22 line Target entity description: The M22 line is a planned rapid transit route within the Istanbul Metro network intended to expand urban rail connectivity in the city.
-
A.
M20 line
The M20 line is a rapid transit route within the Istanbul Metro system, serving as part of the city's urban rail network.
-
B.
M2 line
The M2 line is a major rapid transit route within the Ankara Metro system in Turkey, serving key districts of the capital city.
-
C.
M2 line
The M2 line is a fully automated metro line in Lausanne, Switzerland, running on a steep north–south route that connects the city center with surrounding districts and the lakeshore.
-
D.
M2 line
The M2 line is a major rapid transit route of the Istanbul Metro system that runs in a north–south direction, connecting key districts on the European side of the city.
-
E.
M2 line
The M2 line is one of the main lines of the Helsinki Metro rapid transit system, serving key districts across the Helsinki metropolitan area.
- F. None of above. chosen
Statements (14)
| Predicate | Object |
|---|---|
| instanceOf | rapid transit line ⓘ |
| hasInfrastructureType | railway ⓘ |
| intendedFunction | public transport corridor ⓘ |
| isInPlanningPhaseOf | Istanbul urban rail network expansion ⓘ |
| locatedIn | Istanbul ⓘ |
| locatedInCountry | Turkey ⓘ |
| network |
Istanbul Metro network
ⓘ
linked to:
Istanbul Metro
|
| partOf | Istanbul Metro ⓘ |
| purpose | urban rail connectivity expansion ⓘ |
| regionServed | Marmara Region ⓘ |
| serviceArea | urban Istanbul ⓘ |
| status | planned ⓘ |
| systemType | metro ⓘ |
| transportMode | 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: M22 line Description of subject: The M22 line is a planned rapid transit route within the Istanbul Metro network intended to expand urban rail connectivity in the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.