Orange Line
E526294
The Orange Line is a major rapid transit corridor of the Nagpur Metro system in Nagpur, India, providing north–south connectivity across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Orange Line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4762389 — 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: Orange Line Context triple: [Nagpur Metro, line, Orange Line]
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A.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
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B.
Orange Line
The Orange Line is a rapid transit route in the Boston metropolitan area that runs north–south through downtown as part of the MBTA subway system.
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C.
Orange Line
The Orange Line is a major corridor of the Delhi Metro system that connects central Delhi to the Indira Gandhi International Airport and surrounding areas.
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D.
Orange Line
The Orange Line is a planned corridor of Bengaluru’s Namma Metro system intended to expand rapid transit connectivity across additional parts of the city.
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E.
Orange Line
The Orange Line is one of the primary rapid transit routes in Montreal’s Metro system, running in a U-shaped corridor that connects several major residential and commercial districts 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: Orange Line Target entity description: The Orange Line is a major rapid transit corridor of the Nagpur Metro system in Nagpur, India, providing north–south connectivity across the city.
-
A.
Orange Line
The Orange Line is a planned corridor of Bengaluru’s Namma Metro system intended to expand rapid transit connectivity across additional parts of the city.
-
B.
Orange Line
The Orange Line is a major corridor of the Delhi Metro system that connects central Delhi to the Indira Gandhi International Airport and surrounding areas.
-
C.
Orange Line
The Orange Line is one of the primary rapid transit routes in Montreal’s Metro system, running in a U-shaped corridor that connects several major residential and commercial districts across the city.
-
D.
Orange Line
The Orange Line is a rapid transit route in the Boston metropolitan area that runs north–south through downtown as part of the MBTA subway system.
-
E.
Orange Line
The Orange Line is one of the primary rapid transit routes in the Washington Metro system, running east–west through Washington, D.C. and its Virginia and Maryland suburbs.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| cityServed | Nagpur NERFINISHED ⓘ |
| corridorRole | major corridor of Nagpur Metro ⓘ |
| country | India ⓘ |
| direction | north–south ⓘ |
| electrification | overhead catenary ⓘ |
| fareSystem | Nagpur Metro fare system ⓘ |
| hasLocale | urban Nagpur ⓘ |
| infrastructureType | grade-separated metro line ⓘ |
| isPartOf | urban rail transit in India ⓘ |
| lineColor | orange ⓘ |
| locatedIn |
India
ⓘ
Maharashtra ⓘ Nagpur NERFINISHED ⓘ |
| operator | Maharashtra Metro Rail Corporation Limited NERFINISHED ⓘ |
| owner | Maharashtra Metro Rail Corporation Limited NERFINISHED ⓘ |
| partOf | Nagpur Metro NERFINISHED ⓘ |
| publicTransportMode | metro ⓘ |
| region | Vidarbha NERFINISHED ⓘ |
| servesAs | north–south connectivity corridor in Nagpur ⓘ |
| system | Nagpur Metro NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
| usesRollingStock | Nagpur Metro trains ⓘ |
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: Orange Line Description of subject: The Orange Line is a major rapid transit corridor of the Nagpur Metro system in Nagpur, India, providing north–south connectivity across the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.