Line 1
E337735
Line 1 is the oldest and most historic line of the Athens Metro, running largely overground and connecting the port of Piraeus with the northern suburbs of the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3222082 — 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.
Target entity: Line 1 Context triple: [Athens Metro, hasLine, Line 1]
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A.
Line 1
Line 1 is a major rapid transit line of the Guangzhou Metro system in Guangzhou, China, serving as one of the city's primary east–west corridors.
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B.
Line 1
Line 1 is the oldest and one of the busiest lines of the Santiago Metro, running primarily east–west across central Santiago, Chile.
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C.
Line 1
Line 1 is one of the main east–west rapid transit lines of the Beijing Subway, serving as a core corridor through central Beijing.
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D.
Line 1
Line 1 is the main north–south route of the Tehran Metro system, serving as one of its busiest and most important rapid transit lines.
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E.
Line 1
Line 1 is a major north–south rapid transit line of the Shanghai Metro and one of the system’s oldest and busiest routes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Line 1 Target entity description: Line 1 is the oldest and most historic line of the Athens Metro, running largely overground and connecting the port of Piraeus with the northern suburbs of the city.
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A.
Line 1
Line 1 is the oldest and one of the busiest lines of the Paris Métro, running primarily east–west through central Paris and serving many major landmarks.
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B.
Line 1
Line 1 is the oldest and one of the busiest lines of the Mexico City Metro, running east–west across the city and serving many central, high-traffic stations.
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C.
Line 1
Line 1 is a major Beijing Subway route that runs north–south through the city’s central axis, serving key commercial and historical areas.
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D.
Line 1
Line 1 is the oldest and one of the busiest lines of the Santiago Metro, running primarily east–west across central Santiago, Chile.
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E.
Line 1
Line 1 is a major north–south rapid transit line of the Shanghai Metro and one of the system’s oldest and busiest routes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| alsoKnownAs |
Green Line
ⓘ
ISAP Line 1 ⓘ
surface form:
ISAP line
|
| character |
mostly overground
ⓘ
partly underground ⓘ |
| cityServed | Athens ⓘ |
| color | green ⓘ |
| connects |
Piraeus
ⓘ
northern suburbs of Athens ⓘ |
| country | Greece ⓘ |
| depot |
Attiki depot
ⓘ
Piraeus station ⓘ
surface form:
Piraeus depot
|
| electrification | 750 V DC third rail ⓘ |
| electrificationSystem | third rail ⓘ |
| electrificationYear | 1904 ⓘ |
| endStation |
Kifisia
ⓘ
Piraeus ⓘ |
| fareSystem | integrated with Athens urban transport network ⓘ |
| formerlyKnownAs |
Athens Metro Line 1
ⓘ
surface form:
Athens–Piraeus Electric Railways
|
| formerOperator | ISAP S.A. ⓘ |
| hasPlatformConfiguration | mostly side and island platforms ⓘ |
| historicSignificance |
oldest line of the Athens Metro
ⓘ
one of the oldest electrified urban railways in Europe ⓘ |
| interchangeAt |
Attiki station
ⓘ
Monastiraki station ⓘ Omonia station ⓘ Piraeus station ⓘ |
| interchangeWith |
Athens Metro Line 2
ⓘ
surface form:
Line 2 (Athens Metro)
Athens Metro Line 3 ⓘ
surface form:
Line 3 (Athens Metro)
|
| lineNumber | 1 ⓘ |
| locatedIn |
Athens
ⓘ
Greece ⓘ |
| numberOfStations | 24 ⓘ |
| numberOfTracks | 2 ⓘ |
| openingDate | 1869-02-27 ⓘ |
| operator | STASY S.A. ⓘ |
| originalMode | steam railway ⓘ |
| owner |
Greece
ⓘ
surface form:
Hellenic Republic
|
| partOf | Athens Metro ⓘ |
| serves |
Piraeus
ⓘ
surface form:
Piraeus port area
central Athens ⓘ northern suburbs of Athens ⓘ |
| systemLength | approximately 25.6 km ⓘ |
| terminusAt | Piraeus station ⓘ |
| trackGauge | standard gauge ⓘ |
| typeOfTraffic | passenger ⓘ |
| usesRollingStock | electric multiple units ⓘ |
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.
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.
Subject: Line 1 Description of subject: Line 1 is the oldest and most historic line of the Athens Metro, running largely overground and connecting the port of Piraeus with the northern suburbs of the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.