Green Line
E473596
The Green Line is one of the light rail routes in Houston’s METRORail system, serving the city’s East End and connecting it to downtown.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Green Line canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T4177056 — 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: Green Line Context triple: [Houston METRORail, line, Green Line]
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A.
Green Line
The Green Line is one of Chicago's elevated rapid transit routes, running primarily along the city's West and South Sides as part of the Chicago "L" system.
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B.
Green Line
The Green Line is one of the color-coded routes of the Tyne and Wear Metro rapid transit system serving the Newcastle upon Tyne area in northeast England.
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C.
Green Line
The Green Line is one of the main rapid transit routes of the Dubai Metro, serving key districts along Dubai Creek and connecting important commercial and residential areas.
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D.
Green Line
The Green Line is one of the major corridors of the Delhi Metro network, serving western parts of Delhi and connecting key residential and industrial areas to the rest of the city.
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E.
Green Line
The Green Line is one of the main rapid transit corridors of the Chennai Metro system in Chennai, India, connecting key areas of the city via elevated and underground stations.
- 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: Green Line Target entity description: The Green Line is one of the light rail routes in Houston’s METRORail system, serving the city’s East End and connecting it to downtown.
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A.
Green Line
The Green Line is a light rail route in Dallas, Texas, operated by Dallas Area Rapid Transit (DART), running through key areas including downtown and connecting several suburbs.
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B.
Green Line
The Green Line is one of the color-coded rapid transit routes in the Washington Metro system, serving key neighborhoods in Washington, D.C. and parts of Maryland.
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C.
Green Line
The Green Line is a light rail service in the Boston metropolitan area operated by the Massachusetts Bay Transportation Authority (MBTA), known for serving key downtown and surrounding neighborhoods.
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D.
Green Line
The Green Line is one of the main corridors of the Hyderabad Metro rapid transit system, serving key areas of the city along its north–south axis.
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E.
Green Line
The Green Line is a light rail and subway–surface transit line in Philadelphia operated by SEPTA, serving multiple routes that run through Center City and into West Philadelphia.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit route ⓘ |
| color | green ⓘ |
| connectsArea |
Houston East End
NERFINISHED
ⓘ
Houston downtown core ⓘ |
| connectsWith |
Purple Line (METRORail)
NERFINISHED
ⓘ
Red Line (METRORail) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead line ⓘ |
| fareSystem | METRO Q Fare Card NERFINISHED ⓘ |
| hasConnection |
METRO Park & Ride services
NERFINISHED
ⓘ
METRO local bus network NERFINISHED ⓘ |
| hasStation |
Altic/Howard Hughes station
NERFINISHED
ⓘ
Central Station Capitol NERFINISHED ⓘ Central Station Rusk NERFINISHED ⓘ Coffee Plant/Second Ward station NERFINISHED ⓘ Convention District station NERFINISHED ⓘ EaDo/Stadium station NERFINISHED ⓘ Lockwood/Eastwood station NERFINISHED ⓘ Magnolia Park Transit Center NERFINISHED ⓘ Theater District station NERFINISHED ⓘ |
| isPartOfNetwork | Houston METRO transit network NERFINISHED ⓘ |
| locatedIn |
Houston
NERFINISHED
ⓘ
Texas ⓘ |
| openingDate | 2015-05-23 ⓘ |
| operator |
METRO (Houston)
NERFINISHED
ⓘ
Metropolitan Transit Authority of Harris County NERFINISHED ⓘ |
| owner | Metropolitan Transit Authority of Harris County NERFINISHED ⓘ |
| partOf | METRORail NERFINISHED ⓘ |
| primaryOrientation | east–west ⓘ |
| regionServed | Harris County, Texas NERFINISHED ⓘ |
| serves |
Downtown Houston
NERFINISHED
ⓘ
East End, Houston NERFINISHED ⓘ |
| servesNeighborhood |
Eastwood, Houston
NERFINISHED
ⓘ
Magnolia Park, Houston NERFINISHED ⓘ Second Ward, Houston NERFINISHED ⓘ |
| serviceType | urban rail transit ⓘ |
| system | METRORail NERFINISHED ⓘ |
| terminus |
Magnolia Park Transit Center
NERFINISHED
ⓘ
Theater District station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
| usesRollingStock | Siemens S70 light rail vehicles NERFINISHED ⓘ |
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: Green Line Description of subject: The Green Line is one of the light rail routes in Houston’s METRORail system, serving the city’s East End and connecting it to downtown.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.