Triple
T22586497
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transportation in Pierce County, Washington |
E564808
|
entity |
| Predicate | lightRailExtension |
P50293
|
FINISHED |
| Object | Hilltop Tacoma Link Extension |
—
|
NE NERFINISHED |
How this triple was built (3 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: Hilltop Tacoma Link Extension | Statement: [Transportation in Pierce County, Washington, lightRailExtension, Hilltop Tacoma Link Extension]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hilltop Tacoma Link Extension Context triple: [Transportation in Pierce County, Washington, lightRailExtension, Hilltop Tacoma Link Extension]
-
A.
Tacoma Link light rail
chosen
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.
Lynnwood Link Extension stations
Lynnwood Link Extension stations are a group of Sound Transit light rail stops serving the corridor between North Seattle, Shoreline, Mountlake Terrace, and Lynnwood as part of the Link light rail system’s northward expansion.
-
C.
Redmond Central Connector
Redmond Central Connector is an urban trail and linear park in Redmond, Washington, built along a former rail corridor to link regional bike and pedestrian routes with the city’s downtown and public spaces.
-
D.
Eastside Extension corridor
The Eastside Extension corridor is a light rail transit corridor in East Los Angeles that carries Metro Rail service between downtown Los Angeles and several predominantly Latino eastside communities.
-
E.
Alaskan Way Viaduct
The Alaskan Way Viaduct was an elevated highway along Seattle’s waterfront that carried a section of State Route 99 before being demolished due to seismic vulnerability and replaced by a tunnel.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: lightRailExtension Context triple: [Transportation in Pierce County, Washington, lightRailExtension, Hilltop Tacoma Link Extension]
-
A.
lightRailExpansion
chosen
Indicates the process or plan of extending an existing light rail transit system to cover additional areas or routes.
-
B.
lightRailNetwork
Indicates a relationship where an area, city, or region is served by or contains a light rail transit network.
-
C.
lightRailSystemName
Indicates the name assigned to a particular light rail transit system.
-
D.
hasLightRailSystem
Indicates that a place possesses and operates a light rail transit system.
-
E.
lightRailNetworkEndpointFor
Indicates that one entity serves as an endpoint (such as a terminus or boundary station) of a specified light rail network.
- 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.