Grey Line
E106376
Grey Line is one of the corridors of the Delhi Metro rapid transit system in Delhi, India.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grey Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T902291 — 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: Grey Line Context triple: [Delhi Metro, hasLine, Grey Line]
-
A.
Santa Monica Big Blue Bus
Santa Monica Big Blue Bus is a public transit agency serving Santa Monica and surrounding areas in Los Angeles County with local and express bus services.
-
B.
Greyhound Lines
Greyhound Lines is a major intercity bus company in North America, providing long-distance coach services across the United States and into Canada and Mexico.
-
C.
FlyAway Bus
FlyAway Bus is an express shuttle service that provides direct, frequent connections between Los Angeles International Airport and key locations throughout the Los Angeles area.
-
D.
OmniRide bus service
OmniRide bus service is a public transit system in Northern Virginia that provides local and commuter bus routes connecting suburban communities with major employment and activity centers in the region.
-
E.
Westside Express Service
Westside Express Service is a commuter rail line in the Portland, Oregon metropolitan area that connects suburban communities along the region’s west side.
- 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: Grey Line Target entity description: Grey Line is one of the corridors of the Delhi Metro rapid transit system in Delhi, India.
-
A.
Santa Monica Big Blue Bus
Santa Monica Big Blue Bus is a public transit agency serving Santa Monica and surrounding areas in Los Angeles County with local and express bus services.
-
B.
Greyhound Lines
Greyhound Lines is a major intercity bus company in North America, providing long-distance coach services across the United States and into Canada and Mexico.
-
C.
FlyAway Bus
FlyAway Bus is an express shuttle service that provides direct, frequent connections between Los Angeles International Airport and key locations throughout the Los Angeles area.
-
D.
OmniRide bus service
OmniRide bus service is a public transit system in Northern Virginia that provides local and commuter bus routes connecting suburban communities with major employment and activity centers in the region.
-
E.
Westside Express Service
Westside Express Service is a commuter rail line in the Portland, Oregon metropolitan area that connects suburban communities along the region’s west side.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Delhi Metro line
ⓘ
rapid transit line ⓘ |
| character |
elevated
ⓘ
underground ⓘ |
| cityServed | Delhi ⓘ |
| country | India ⓘ |
| electrification | overhead catenary ⓘ |
| fareSystem | Delhi Metro fare system ⓘ |
| gauge | standard gauge ⓘ |
| hasColor | grey ⓘ |
| hasRollingStockType | electric multiple unit ⓘ |
| isCorridorOf | Delhi Metro ⓘ |
| locatedIn |
Delhi
ⓘ
Delhi ⓘ
surface form:
Delhi, India
|
| modeOfTransport | rail ⓘ |
| numberOfTracks | 2 ⓘ |
| operator |
Delhi Metro
ⓘ
surface form:
Delhi Metro Rail Corporation
|
| owner |
Delhi Metro
ⓘ
surface form:
Delhi Metro Rail Corporation
|
| partOf |
Delhi Metro
ⓘ
surface form:
Delhi Metro network
|
| publicTransportSystem | Delhi Metro ⓘ |
| regionServed | National Capital Territory of Delhi ⓘ |
| safetySystem |
automatic train operation
ⓘ
automatic train protection ⓘ |
| serves | urban areas of Delhi ⓘ |
| system | Delhi Metro ⓘ |
| systemType | metro ⓘ |
| ticketing |
smart card
ⓘ
token ⓘ |
| 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: Grey Line Description of subject: Grey Line is one of the corridors of the Delhi Metro rapid transit system in Delhi, India.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.