Houston METRORail
E86502
Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Houston METRORail canonical | 2 |
| Houston METRORail system | 2 |
| Houston METRO | 1 |
| Houston METRO transit network | 1 |
| Houston METRORail Red Line | 1 |
| Houston METRORail network | 1 |
| Houston MetroRail stations | 1 |
| METRORail Houston | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T712167 — 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: Houston METRORail Context triple: [Siemens S70, usedInSystem, Houston METRORail]
-
A.
Dallas Area Rapid Transit
Dallas Area Rapid Transit is the public transportation authority serving the Dallas–Fort Worth metropolitan area with bus, light rail, commuter rail, and paratransit services.
-
B.
MetroLink light rail
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
-
E.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
- 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: Houston METRORail Target entity description: Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
-
A.
Dallas Area Rapid Transit
Dallas Area Rapid Transit is the public transportation authority serving the Dallas–Fort Worth metropolitan area with bus, light rail, commuter rail, and paratransit services.
-
B.
MetroLink light rail
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
Huntington Area Rapid Transit
Huntington Area Rapid Transit is the local bus system serving the town of Huntington in Suffolk County, New York.
-
E.
METRO light rail
METRO light rail is a rapid transit system serving the Minneapolis–Saint Paul metropolitan area with multiple color-designated lines connecting key urban, suburban, and airport destinations.
- F. None of above. chosen
Statements (49)
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: Houston METRORail Description of subject: Houston METRORail is a light rail transit system serving the city of Houston, Texas, providing urban passenger rail service along several key corridors.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Siemens S700 light rail vehicles
linked to: Houston METRORail
linked to: Houston METRORail
linked to: Houston METRORail
subject linked to:
Green Line
linked to: Houston METRORail
linked to: Houston METRORail
linked to: Houston METRORail
linked to: Houston METRORail
linked to: Houston METRORail