Line 2
E337736
Line 2 is one of the main rapid transit routes of the Athens Metro, connecting key central and suburban areas of the Greek capital.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3222083 — 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: Line 2 Context triple: [Athens Metro, hasLine, Line 2]
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A.
Line 2
Line 2 is one of the main lines of the Santiago Metro in Chile, running in a generally north–south direction and serving several central and densely populated areas of the city.
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B.
Line 2
Line 2 is a trolleybus route within Geneva’s public transport system that serves as one of the city’s main electric bus lines.
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C.
Line 2
Line 2 is a rapid transit line of the Barcelona Metro system that serves several central and northern neighborhoods of the city.
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D.
Line 2
Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
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E.
Line 2
Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
- 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: Line 2 Target entity description: Line 2 is one of the main rapid transit routes of the Athens Metro, connecting key central and suburban areas of the Greek capital.
-
A.
Line 2
Line 2 is a major east–west rapid transit route of the Shanghai Metro that connects key commercial, residential, and airport hubs across the city.
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B.
Line 2
Line 2 is a major rapid transit route of the Guangzhou Metro system that runs through key urban districts and serves as one of the network’s primary north–south corridors.
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C.
Line 2
Line 2 is a rapid transit line of the Barcelona Metro system that serves several central and northern neighborhoods of the city.
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D.
Line 2
Line 2 is a major subway line on Toronto's Bloor–Danforth corridor, running primarily east–west across the city.
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E.
Line 2
Line 2 is a major route of Mexico City’s Metrobús bus rapid transit system, running along key thoroughfares to connect important residential and commercial areas.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Athens Metro line
ⓘ
rapid transit line ⓘ |
| character | underground ⓘ |
| connects |
central Athens
ⓘ
suburban areas of Athens ⓘ |
| connectsWith |
Athens Metro Line 1
ⓘ
surface form:
Line 1 (Athens Metro)
Athens Metro Line 3 ⓘ
surface form:
Line 3 (Athens Metro)
|
| country | Greece ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | Athens integrated public transport tariff ⓘ |
| fareZone |
Athens metropolitan area
ⓘ
surface form:
Athens urban zone
|
| hasAccessibilityFeature | step-free access at many stations ⓘ |
| hasFeature |
electronic passenger information displays
ⓘ
elevators ⓘ escalators ⓘ ticket barriers ⓘ underground stations ⓘ |
| hasLocalName |
Γραμμή 2
ⓘ
Κόκκινη γραμμή ⓘ |
| hasPlatformType | island platforms ⓘ |
| hasService | passenger transport ⓘ |
| isImportantFor |
daily commuting in Athens
ⓘ
public transport in Athens ⓘ |
| isMajorRouteOf |
Athens Metro
ⓘ
surface form:
Athens Metro network
|
| isPartOf |
Athens Metro
ⓘ
surface form:
Athens urban rail network
|
| languageOfName | Greek ⓘ |
| lineColor | red ⓘ |
| locatedIn |
Athens
ⓘ
Greece ⓘ |
| numberOfTracks | 2 ⓘ |
| operator | STASY S.A. ⓘ |
| owner | Attiko Metro S.A. ⓘ |
| partOf | Athens Metro ⓘ |
| publicTransportMode | metro ⓘ |
| railGauge | standard gauge ⓘ |
| safetyFeature |
CCTV surveillance in stations and trains
ⓘ
emergency intercoms on platforms and trains ⓘ |
| safetySystem | automatic train protection ⓘ |
| serves |
Athens city centre
ⓘ
residential districts of Athens ⓘ |
| system | Athens Metro ⓘ |
| ticketValidation | automatic fare gates at station entrances ⓘ |
| transitType | rapid transit ⓘ |
| usesRollingStock | electric multiple units ⓘ |
| usesTicketingSystem |
Ath.ena Card
ⓘ
surface form:
Athena Card
|
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: Line 2 Description of subject: Line 2 is one of the main rapid transit routes of the Athens Metro, connecting key central and suburban areas of the Greek capital.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.