ST3
E750033
ST3 is a major Sound Transit expansion plan in the Seattle metropolitan area that funds and builds new light rail, bus rapid transit, and commuter rail projects over several decades.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ST3 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8669016 — 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: ST3 Context triple: [Sound Transit 3, shortName, ST3]
-
A.
STC
STC is a prominent Sri Lankan boys’ school formally known as S. Thomas’ College, Mount Lavinia, renowned for its academic, sporting, and Anglican educational tradition.
-
B.
STC
STC is the commonly used abbreviation for RAF Strike Command, the former major operational command of the Royal Air Force responsible for the UK’s air combat forces.
-
C.
STC
STC is the acronym commonly used for Mexico City’s Sistema de Transporte Colectivo, the public agency that operates the city’s metro system.
-
D.
STW
STW is the National Rail station code for Strawberry Hill railway station in the London Borough of Richmond upon Thames, England.
-
E.
STMD
STMD is NASA’s Space Technology Mission Directorate, responsible for developing and demonstrating cutting-edge space technologies to enable future NASA missions and expand space exploration capabilities.
- 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: ST3 Target entity description: ST3 is a major Sound Transit expansion plan in the Seattle metropolitan area that funds and builds new light rail, bus rapid transit, and commuter rail projects over several decades.
-
A.
STC
STC is a prominent Sri Lankan boys’ school formally known as S. Thomas’ College, Mount Lavinia, renowned for its academic, sporting, and Anglican educational tradition.
-
B.
STC
STC is the commonly used abbreviation for RAF Strike Command, the former major operational command of the Royal Air Force responsible for the UK’s air combat forces.
-
C.
STC
STC is the acronym commonly used for Mexico City’s Sistema de Transporte Colectivo, the public agency that operates the city’s metro system.
-
D.
STW
STW is the National Rail station code for Strawberry Hill railway station in the London Borough of Richmond upon Thames, England.
-
E.
STMD
STMD is NASA’s Space Technology Mission Directorate, responsible for developing and demonstrating cutting-edge space technologies to enable future NASA missions and expand space exploration capabilities.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Sound Transit ballot measure
ⓘ
public transportation expansion plan ⓘ regional transit plan ⓘ |
| appliesToJurisdiction |
Puget Sound region
ⓘ
Seattle metropolitan area ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| follows |
ST2
ⓘ
Sound Move ⓘ Sound Transit 2 ⓘ |
| fundingMethod |
motor vehicle excise tax
ⓘ
property tax ⓘ sales tax increase ⓘ |
| hasComponent |
bus rapid transit expansion
ⓘ
commuter rail improvements ⓘ light rail expansion ⓘ maintenance and operations facilities ⓘ park-and-ride facilities ⓘ transit stations ⓘ |
| includesProjectType |
bus rapid transit corridors
ⓘ
commuter rail capacity improvements ⓘ light rail extensions ⓘ new light rail lines ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| modeOfTransport |
bus rapid transit
ⓘ
commuter rail ⓘ light rail ⓘ |
| officialName | Sound Transit 3 ⓘ |
| operator | Sound Transit ⓘ |
| partOf |
Sound Transit long-range plan
ⓘ
linked to:
Sound Transit 3
|
| purpose |
expand high-capacity transit
ⓘ
improve regional mobility ⓘ reduce traffic congestion ⓘ support transit-oriented development ⓘ |
| region | Pacific Northwest ⓘ |
| sector | public transportation planning ⓘ |
| serviceAreaIncludes |
Bellevue
ⓘ
Everett ⓘ Federal Way ⓘ Issaquah ⓘ King County ⓘ Kirkland ⓘ Lynnwood ⓘ Pierce County ⓘ Redmond ⓘ Seattle ⓘ Snohomish County ⓘ Tacoma ⓘ
linked to:
Tacoma, Washington
|
| state | Washington ⓘ |
| timeHorizon | multiple decades ⓘ |
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: ST3 Description of subject: ST3 is a major Sound Transit expansion plan in the Seattle metropolitan area that funds and builds new light rail, bus rapid transit, and commuter rail projects over several decades.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.