Line 7
E693489
Line 7 is the Pink Line of the Delhi Metro, a major orbital corridor that connects numerous key residential and commercial areas across Delhi.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Line 7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7784150 — 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 7 Context triple: [Pink Line (Delhi Metro), lineNumber, Line 7]
-
A.
Line 7
Line 7 is a route of Mexico City’s Metrobús bus rapid transit system that serves key corridors with dedicated lanes and high-capacity articulated buses.
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B.
Line 7
Line 7 is one of the main lines of the Tehran Metro rapid transit network, serving various districts of Iran’s capital city.
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C.
Line 7
Line 7 is a rapid transit route of the STC Metro system, serving as one of its numbered lines within the network.
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D.
Line 7
Line 7 is a rapid transit line of the Guangzhou Metro system serving parts of Guangzhou and its surrounding areas.
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E.
Line 7
Line 7 is a major rapid transit route of the Shanghai Metro that runs in a roughly north–south direction, connecting several key residential, commercial, and cultural areas 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 7 Target entity description: Line 7 is the Pink Line of the Delhi Metro, a major orbital corridor that connects numerous key residential and commercial areas across Delhi.
-
A.
Line 7
Line 7 is a major rapid transit route of the Shanghai Metro that runs in a roughly north–south direction, connecting several key residential, commercial, and cultural areas across the city.
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B.
Line 7
Line 7 is a major route of the Seoul Metropolitan Subway system that runs in a north–south diagonal across the city, connecting residential districts with key urban hubs.
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C.
Line 7
Line 7 is a rapid transit line of the Shenzhen Metro system in Shenzhen, China, serving several key districts across the city.
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D.
Line 7
Line 7 is an east–west rapid transit line of the Beijing Subway serving several central and southwestern districts of Beijing.
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E.
Line 7
Line 7 is a rapid transit route of the STC Metro system, serving as one of its numbered lines within the network.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | metro line ⓘ |
| accessibility | designed with facilities for persons with disabilities ⓘ |
| alsoKnownAs | Pink Line NERFINISHED ⓘ |
| category |
Delhi Metro Pink Line
NERFINISHED
ⓘ
Transport in Delhi ⓘ |
| character |
at-grade
ⓘ
elevated ⓘ underground ⓘ |
| cityServed |
Delhi
NERFINISHED
ⓘ
Gurugram (via interchange connectivity) ⓘ Noida (via interchange connectivity) NERFINISHED ⓘ |
| connects |
commercial areas of Delhi
ⓘ
educational hubs in Delhi ⓘ industrial areas of Delhi ⓘ residential areas of Delhi ⓘ |
| country | India ⓘ |
| electrification | 25 kV AC overhead catenary ⓘ |
| fareCollection | automatic fare collection gates ⓘ |
| fareSystem | Delhi Metro common ticketing system ⓘ |
| hasMode | electric multiple unit trains ⓘ |
| importance | major orbital corridor in the Delhi Metro network ⓘ |
| interchangeWith |
Airport Express Line (Delhi Metro)
NERFINISHED
ⓘ
Blue Line (Delhi Metro) NERFINISHED ⓘ Green Line (Delhi Metro) NERFINISHED ⓘ Magenta Line (Delhi Metro) NERFINISHED ⓘ Red Line (Delhi Metro) NERFINISHED ⓘ Violet Line (Delhi Metro) NERFINISHED ⓘ Yellow Line (Delhi Metro) NERFINISHED ⓘ |
| lineColor | pink ⓘ |
| location | Delhi, India NERFINISHED ⓘ |
| operator | Delhi Metro Rail Corporation NERFINISHED ⓘ |
| owner | Delhi Metro Rail Corporation NERFINISHED ⓘ |
| partOf | Phase III of Delhi Metro NERFINISHED ⓘ |
| purpose | to decongest central Delhi by providing an orbital route ⓘ |
| region | National Capital Territory of Delhi NERFINISHED ⓘ |
| role | orbital corridor around Delhi ⓘ |
| safetyFeatures |
CCTV surveillance at stations
ⓘ
automatic train protection ⓘ |
| serves | Ring Road corridor of Delhi NERFINISHED ⓘ |
| serviceType | rapid transit ⓘ |
| signalling | modern signalling system ⓘ |
| system | Delhi Metro NERFINISHED ⓘ |
| ticketing |
QR code ticket accepted
ⓘ
contactless smart card accepted ⓘ |
| 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 7 Description of subject: Line 7 is the Pink Line of the Delhi Metro, a major orbital corridor that connects numerous key residential and commercial areas across Delhi.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Pink Line (Delhi Metro)