Triple

T10032508
Position Surface form Disambiguated ID Type / Status
Subject Sound Transit E204883 entity
Predicate operates P24 FINISHED
Object Tacoma Link light rail E504736 NE FINISHED

How this triple was built (2 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 Link light rail | Statement: [Sound Transit, operates, Tacoma Link light rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tacoma Link light rail
Context triple: [Sound Transit, operates, Tacoma Link light rail]
  • 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. 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.
  • C. Sound Transit Link light rail
    Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
  • D. 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.
  • 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.

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_69ca834d77188190ad645e33e8ca3200 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cdce47845c8190ab5696267fdedcad completed April 2, 2026, 2:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69d282478578819085ca00fe140bb6c1 completed April 5, 2026, 3:39 p.m.
Created at: March 30, 2026, 8:54 p.m.