METRORail Green Line
E564333
The METRORail Green Line is a light rail service in Houston, Texas, forming part of the city’s METRORail system and serving neighborhoods east of downtown.
All labels observed (4)
| Label | Occurrences |
|---|---|
| METRORail Green Line canonical | 4 |
| Metrorail Green Line | 2 |
| Green Line (METRORail) | 1 |
| Metro Green Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6045027 — 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: METRORail Green Line Context triple: [METRORail Red Line, connectsWith, METRORail Green Line]
-
A.
METRO Green Line
METRO Green Line is a light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with downtown St. Paul and key destinations in between.
-
B.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
C.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
-
D.
DART Green Line
The DART Green Line is a light rail service in Dallas, Texas, operated by Dallas Area Rapid Transit and running through key corridors including downtown and Fair Park.
-
E.
MBTA Blue Line
The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
- 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: METRORail Green Line Target entity description: The METRORail Green Line is a light rail service in Houston, Texas, forming part of the city’s METRORail system and serving neighborhoods east of downtown.
-
A.
METRO Green Line
METRO Green Line is a light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with downtown St. Paul and key destinations in between.
-
B.
METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
-
C.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
-
D.
DART Green Line
The DART Green Line is a light rail service in Dallas, Texas, operated by Dallas Area Rapid Transit and running through key corridors including downtown and Fair Park.
-
E.
MBTA Blue Line
The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit service ⓘ |
| color | green ⓘ |
| connectsDistrict |
Downtown Houston
NERFINISHED
ⓘ
East End NERFINISHED ⓘ |
| connectsWith |
METRORail Purple Line
NERFINISHED
ⓘ
METRORail Red Line NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | overhead line ⓘ |
| extensionOpened | January 11, 2017 ⓘ |
| farePolicy | proof-of-payment ⓘ |
| fareSystem | METRO Q Fare System NERFINISHED ⓘ |
| hasAbbreviation | Green Line NERFINISHED ⓘ |
| hasMode | at-grade ⓘ |
| hasRouteNumber | Green Line NERFINISHED ⓘ |
| hasServiceType | urban rail transit ⓘ |
| hasWebsite | https://www.ridemetro.org ⓘ |
| isInMetropolitanArea | Greater Houston NERFINISHED ⓘ |
| locatedIn |
Harris County, Texas
NERFINISHED
ⓘ
Houston ⓘ
surface form:
Houston, Texas
|
| openedForService | May 23, 2015 ⓘ |
| operator |
METRO
NERFINISHED
ⓘ
Metropolitan Transit Authority of Harris County NERFINISHED ⓘ |
| owner | Metropolitan Transit Authority of Harris County NERFINISHED ⓘ |
| ownerType | public transit authority ⓘ |
| partOf | METRORail NERFINISHED ⓘ |
| rollingStock | Siemens S70 light rail vehicles NERFINISHED ⓘ |
| safetySystem | traffic signal priority ⓘ |
| servesArea |
East End of Houston
NERFINISHED
ⓘ
neighborhoods east of Downtown Houston ⓘ |
| servesStation |
Central Station Capitol
NERFINISHED
ⓘ
EaDo/Stadium station NERFINISHED ⓘ Magnolia Park Transit Center NERFINISHED ⓘ Theater District station NERFINISHED ⓘ |
| system | METRORail NERFINISHED ⓘ |
| terminus |
Magnolia Park Transit Center
NERFINISHED
ⓘ
Theater District station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | light rail ⓘ |
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: METRORail Green Line Description of subject: The METRORail Green Line is a light rail service in Houston, Texas, forming part of the city’s METRORail system and serving neighborhoods east of downtown.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Metrorail Green Line
subject surface form:
DC USA
this entity surface form:
Metrorail Green Line
this entity surface form:
Metro Green Line
this entity surface form:
Green Line (METRORail)