T Line
E62461
The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T413113 — 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: T Line Context triple: [Sound Transit Link light rail, hasPart, T Line]
-
A.
Blue Line
The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
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B.
Blue Line
The Blue Line is one of Boston's MBTA rapid transit routes, running primarily between downtown Boston and the coastal communities of East Boston and Revere.
-
C.
Blue Line
The Blue Line is a major rapid transit route in Chicago that runs between O'Hare International Airport and the city's western suburbs via downtown.
-
D.
Purple Line
The Purple Line is a rapid transit route in Chicago's 'L' system that primarily serves the city's northern suburbs and connects them to the North Side of Chicago.
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E.
Pink Line
The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
- 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: T Line Target entity description: The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
-
A.
Blue Line
The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
-
B.
Blue Line
The Blue Line is one of Boston's MBTA rapid transit routes, running primarily between downtown Boston and the coastal communities of East Boston and Revere.
-
C.
Blue Line
The Blue Line is a major rapid transit route in Chicago that runs between O'Hare International Airport and the city's western suburbs via downtown.
-
D.
Purple Line
The Purple Line is a rapid transit route in Chicago's 'L' system that primarily serves the city's northern suburbs and connects them to the North Side of Chicago.
-
E.
Pink Line
The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
light rail line
ⓘ
public transit route ⓘ streetcar line ⓘ |
| category |
Rail transport in Tacoma, Washington
ⓘ
Sound Transit Link light rail lines ⓘ
linked to:
Sound Transit Link light rail
|
| connectsWith |
Pierce Transit bus network
ⓘ
Sound Transit Express bus network ⓘ
linked to:
Sound Transit
|
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | overhead catenary ⓘ |
| farePolicy | integrated with regional ORCA card system ⓘ |
| fareSystem | Sound Transit fare system ⓘ |
| operator | Sound Transit ⓘ |
| owner | Sound Transit ⓘ |
| partOf |
Sound Transit Link light rail system
ⓘ
linked to:
Sound Transit Link light rail
|
| platformType | street-level platforms ⓘ |
| primaryCityServed |
Tacoma
ⓘ
linked to:
Tacoma, Washington
|
| rollingStockType | modern low-floor streetcar vehicles ⓘ |
| serves | Tacoma, Washington ⓘ |
| serviceArea |
Hilltop neighborhood (Tacoma)
ⓘ
Stadium District (Tacoma) ⓘ Tacoma Dome area ⓘ
linked to:
Tacoma Dome
downtown Tacoma ⓘ |
| state | Washington ⓘ |
| systemBrand | Link light rail ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType |
light rail
ⓘ
streetcar-style service ⓘ |
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: T Line Description of subject: The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: T Line