W Line (RTD)
E182697
The W Line (RTD) is a light rail route in the Denver metropolitan area that connects downtown Denver with the western suburbs, including Lakewood and Golden, as part of the Regional Transportation District system.
All labels observed (3)
| Label | Occurrences |
|---|---|
| W Line (Denver light rail) | 1 |
| W Line (RTD light rail) | 1 |
| W Line (RTD) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1588240 — 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: W Line (RTD) Context triple: [Lakewood, Colorado, hasLightRailLine, W Line (RTD)]
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A.
Yellow Line (CTA)
The Yellow Line (CTA), also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard and Skokie without serving downtown Chicago.
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B.
MAX Red Line light rail
The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
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C.
Metra Union Pacific Northwest Line
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
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D.
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.
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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: W Line (RTD) Target entity description: The W Line (RTD) is a light rail route in the Denver metropolitan area that connects downtown Denver with the western suburbs, including Lakewood and Golden, as part of the Regional Transportation District system.
-
A.
Yellow Line (CTA)
The Yellow Line (CTA), also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard and Skokie without serving downtown Chicago.
-
B.
MAX Red Line light rail
The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
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C.
Metra Union Pacific Northwest Line
The Metra Union Pacific Northwest Line is a commuter rail line in the Chicago metropolitan area that provides service between downtown Chicago and its northwestern suburbs, including parts of McHenry County, Illinois.
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D.
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.
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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 (47)
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: W Line (RTD) Description of subject: The W Line (RTD) is a light rail route in the Denver metropolitan area that connects downtown Denver with the western suburbs, including Lakewood and Golden, as part of the Regional Transportation District system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
W Line (Denver light rail)
subject surface form:
Lakewood, Colorado
this entity surface form:
W Line (RTD light rail)