Line 1
E704598
Line 1 is a major Milan Metro line that serves key areas of the city, including Milano Cadorna station.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7949470 — 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 1 Context triple: [Milano Cadorna station, hasMetroLine, Line 1]
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A.
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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B.
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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C.
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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D.
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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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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Line 1 Target entity description: Line 1 is a major Milan Metro line that serves key areas of the city, including Milano Cadorna station.
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A.
Line 1
Line 1 is the first and main automated metro line of the Turin Metro system in Turin, Italy, connecting key areas of the city along an underground route.
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B.
Line 1
Line 1 is one of the main lines of the Barcelona Metro rapid transit system, running on a largely east–west axis and serving several key districts of the city.
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C.
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.
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D.
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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E.
Line 1
Line 1 is the first and main rapid transit line of the Seville Metro system in Seville, Spain, connecting key districts across the metropolitan area.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
public transport infrastructure
ⓘ
rapid transit line ⓘ |
| alsoKnownAs |
M1
NERFINISHED
ⓘ
Red Line NERFINISHED ⓘ |
| connectsWith |
Line 2 (Milan Metro)
NERFINISHED
ⓘ
Line 3 (Milan Metro) NERFINISHED ⓘ Line 5 (Milan Metro) NERFINISHED ⓘ |
| country | Italy ⓘ |
| electrification | 750 V DC third rail ⓘ |
| fareSystem | integrated fare system of Milan ⓘ |
| hasColor | red ⓘ |
| hasStation |
Cadorna FN
NERFINISHED
ⓘ
Cairoli NERFINISHED ⓘ Conciliazione NERFINISHED ⓘ Cordusio NERFINISHED ⓘ Duomo (Milan Metro) NERFINISHED ⓘ Lotto NERFINISHED ⓘ Pagano NERFINISHED ⓘ Sesto Marelli NERFINISHED ⓘ Sesto Rondò NERFINISHED ⓘ |
| locatedIn |
Italy
ⓘ
Lombardy ⓘ Milan NERFINISHED ⓘ |
| numberOfStations | more than 35 ⓘ |
| openingDate | 1964-11-01 ⓘ |
| operator | Azienda Trasporti Milanesi NERFINISHED ⓘ |
| owner | Comune di Milano NERFINISHED ⓘ |
| partOf | Milan Metro NERFINISHED ⓘ |
| primaryFunction | urban passenger transport ⓘ |
| servesArea |
central Milan
ⓘ
north-eastern Milan ⓘ western Milan NERFINISHED ⓘ |
| servesStation |
Bisceglie
NERFINISHED
ⓘ
Milano Cadorna NERFINISHED ⓘ Rho Fiera NERFINISHED ⓘ Sesto 1º Maggio FS NERFINISHED ⓘ |
| systemLength | approximately 27 km ⓘ |
| terminusStation |
Bisceglie
NERFINISHED
ⓘ
Rho Fiera NERFINISHED ⓘ Sesto 1º Maggio FS NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
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 1 Description of subject: Line 1 is a major Milan Metro line that serves key areas of the city, including Milano Cadorna station.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.