Triple
T22586504
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transportation in Pierce County, Washington |
E564808
|
entity |
| Predicate | freightRailFacility |
P19495
|
FINISHED |
| Object | Tacoma Rail |
—
|
NE NERFINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Tacoma Rail | Statement: [Transportation in Pierce County, Washington, freightRailFacility, Tacoma Rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tacoma Rail Context triple: [Transportation in Pierce County, Washington, freightRailFacility, Tacoma Rail]
-
A.
Tacoma Link light rail
Tacoma Link light rail is a streetcar-style light rail line in Tacoma, Washington, providing frequent local transit service through the city’s downtown and nearby districts.
-
B.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
C.
Los Angeles–Seattle rail corridor
The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
-
D.
Tri-Rail
Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
-
E.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
- 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: Tacoma Rail Target entity description: Tacoma Rail is a publicly owned short-line railroad that provides freight rail services in and around Tacoma and Pierce County, Washington.
-
A.
Tacoma Link light rail
Tacoma Link light rail is a streetcar-style light rail line in Tacoma, Washington, providing frequent local transit service through the city’s downtown and nearby districts.
-
B.
Peninsula rail corridor
The Peninsula rail corridor is the major rail line running through California’s San Francisco Peninsula, carrying both commuter and intercity trains between San Francisco and the South Bay.
-
C.
Los Angeles–Seattle rail corridor
The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
-
D.
Tri-Rail
Tri-Rail is a commuter rail system in South Florida that connects major cities and transportation hubs across the Miami, Fort Lauderdale, and West Palm Beach metropolitan area.
-
E.
BNSF Seattle Subdivision
The BNSF Seattle Subdivision is a major freight and passenger rail corridor in the Seattle area, forming part of BNSF Railway’s main line through the Pacific Northwest.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: freightRailFacility Context triple: [Transportation in Pierce County, Washington, freightRailFacility, Tacoma Rail]
-
A.
hasRailFacility
chosen
Indicates that an entity possesses or is served by a rail-related facility, such as a railway station, terminal, or yard.
-
B.
railPortalLocation
Indicates the geographic location or position of a rail portal (such as a tunnel or access point) relative to other referenced entities.
-
C.
operatedFreightInterchangeWith
Indicates that one entity operated a freight interchange service or facility jointly with another entity, enabling the transfer of freight between their respective operations.
-
D.
transportationFacility
Indicates that one entity is a facility or location used for the transportation or transit of people or goods in relation to another entity.
-
E.
railroadTerminusFor
Indicates that one location serves as the end point or final station of a particular railroad line for another location.
- F. None of above.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69e245836014819091b91ed3074742a3 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f1615d1fe081908079f777cdab12a2 |
completed | April 29, 2026, 1:39 a.m. |
| PD | Predicate disambiguation | batch_69ee626e6bb08190ada4dd8b48cc0c43 |
completed | April 26, 2026, 7:07 p.m. |
Created at: April 17, 2026, 2:46 p.m.