Orange Line
E181840
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Orange Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T902288 — 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: [Delhi Metro, hasLine, Orange Line]
-
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.
-
B.
Orange Line
The Orange Line is a rapid transit route in Chicago that connects the city's Loop with Midway International Airport as part of the Chicago "L" system.
-
C.
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.
-
D.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
E.
Purple Line (CTA)
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
- 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 corridor of the Delhi Metro system that connects central Delhi to the Indira Gandhi International Airport and surrounding areas.
-
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.
-
B.
Orange Line
The Orange Line is a rapid transit route in Chicago that connects the city's Loop with Midway International Airport as part of the Chicago "L" system.
-
C.
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.
-
D.
Brown Line
The Brown Line is a rapid transit route of Chicago's "L" system that primarily serves the city's North Side and northwest neighborhoods.
-
E.
Purple Line (CTA)
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
rapid transit line ⓘ |
| alsoKnownAs |
Airport Express Line
ⓘ
Airport Express Line (Delhi Metro) ⓘ
surface form:
Delhi Airport Express Line
|
| character |
elevated
ⓘ
underground ⓘ |
| cityServed |
Delhi Cantonment
ⓘ
surface form:
Delhi Cantonment area
Dwarka ⓘ New Delhi, India ⓘ
surface form:
New Delhi
|
| color | orange ⓘ |
| connects |
Central Delhi
ⓘ
Dwarka Sector 21 Metro station ⓘ Indira Gandhi International Airport ⓘ New Delhi Metro station ⓘ |
| country | India ⓘ |
| electrification | 25 kV AC overhead catenary ⓘ |
| fareSystem | premium airport express fares ⓘ |
| gauge | standard gauge ⓘ |
| hasStation |
Delhi Aerocity
ⓘ
Dhaula Kuan ⓘ Dwarka Sector 21 ⓘ IGI Airport (T3) ⓘ New Delhi, India ⓘ
surface form:
New Delhi
Shivaji Stadium ⓘ |
| integrationWith |
Blue Line (Delhi Metro) at Dwarka Sector 21
ⓘ
New Delhi Railway Station ⓘ Yellow Line (Delhi Metro) via New Delhi station area ⓘ |
| locatedIn |
Delhi
ⓘ
National Capital Region ⓘ |
| operator | Delhi Metro Rail Corporation ⓘ |
| owner | Delhi Metro Rail Corporation ⓘ |
| partOf | Delhi Metro ⓘ |
| primaryFunction |
airport rail link
ⓘ
rapid transit corridor ⓘ |
| purpose | connect central Delhi to Indira Gandhi International Airport ⓘ |
| regionServed |
Central Delhi
ⓘ
surface form:
central Delhi
South West Delhi ⓘ
surface form:
south‑west Delhi
|
| serves |
Indira Gandhi International Airport Terminal 2 vicinity
ⓘ
Indira Gandhi International Airport ⓘ
surface form:
Indira Gandhi International Airport Terminal 3
|
| system |
Delhi Metro
ⓘ
surface form:
Delhi Metro Rail Network
|
| terminus |
Dwarka Sector 21 Metro station
ⓘ
New Delhi Metro station ⓘ |
| transportMode | rail ⓘ |
| typeOfService | high‑speed metro service ⓘ |
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 corridor of the Delhi Metro system that connects central Delhi to the Indira Gandhi International Airport and surrounding areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.