Line 1
E694099
Line 1 is the designation for the Red Line, one of the main rapid transit corridors of the Delhi Metro network in India.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7798214 — 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: [Red Line (Delhi Metro), lineNumber, 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 the designation for the Red Line, one of the main rapid transit corridors of the Delhi Metro network in India.
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A.
Line 1
Line 1 is the first operational corridor of the Mumbai Monorail system, serving as a key elevated transit route in Mumbai, India.
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B.
Line 1
Line 1 is the numerical designation commonly used for Ottawa’s Confederation Line, the city’s primary light rail transit route.
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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 a major line of the Seoul Metropolitan Subway system, serving as one of its oldest and busiest commuter rail corridors across the Seoul metropolitan area.
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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 (53)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| alsoKnownAs | Red Line NERFINISHED ⓘ |
| country | India ⓘ |
| electrification | overhead catenary ⓘ |
| hasStation |
Arthala
NERFINISHED
ⓘ
Dilshad Garden NERFINISHED ⓘ Hindon River NERFINISHED ⓘ Inderlok NERFINISHED ⓘ Jhilmil NERFINISHED ⓘ Kanhaiya Nagar NERFINISHED ⓘ Kashmere Gate NERFINISHED ⓘ Keshav Puram NERFINISHED ⓘ Kohat Enclave NERFINISHED ⓘ Major Mohit Sharma Rajendra Nagar NERFINISHED ⓘ Mansarovar Park NERFINISHED ⓘ Mohan Nagar NERFINISHED ⓘ Netaji Subhash Place NERFINISHED ⓘ Pitampura NERFINISHED ⓘ Pratap Nagar NERFINISHED ⓘ Pulbangash NERFINISHED ⓘ Raj Bagh NERFINISHED ⓘ Rithala NERFINISHED ⓘ Rohini East NERFINISHED ⓘ Rohini West NERFINISHED ⓘ Seelampur NERFINISHED ⓘ Shahdara NERFINISHED ⓘ Shaheed Nagar NERFINISHED ⓘ Shaheed Sthal (New Bus Adda) NERFINISHED ⓘ Shastri Nagar NERFINISHED ⓘ Shastri Park NERFINISHED ⓘ Shyam Park NERFINISHED ⓘ Tis Hazari NERFINISHED ⓘ Welcome ⓘ |
| interchangeStation |
Inderlok
NERFINISHED
ⓘ
Kashmere Gate NERFINISHED ⓘ |
| interchangeWith |
Pink Line
NERFINISHED
ⓘ
Violet Line NERFINISHED ⓘ Yellow Line NERFINISHED ⓘ |
| isFirstLineOf | Delhi Metro NERFINISHED ⓘ |
| lineColor | red ⓘ |
| locatedIn |
Delhi
NERFINISHED
ⓘ
National Capital Region NERFINISHED ⓘ |
| openingYear | 2002 ⓘ |
| operator | Delhi Metro Rail Corporation NERFINISHED ⓘ |
| partOf | Delhi Metro NERFINISHED ⓘ |
| region | Delhi-NCR NERFINISHED ⓘ |
| servesCity |
Delhi
NERFINISHED
ⓘ
Ghaziabad NERFINISHED ⓘ |
| system | Delhi Metro network NERFINISHED ⓘ |
| terminusStation |
Rithala
NERFINISHED
ⓘ
Shaheed Sthal (New Bus Adda) NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | 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: Line 1 Description of subject: Line 1 is the designation for the Red Line, one of the main rapid transit corridors of the Delhi Metro network in India.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Red Line (Delhi Metro)