Triple

T11267911
Position Surface form Disambiguated ID Type / Status
Subject 1 Line E266735 entity
Predicate partOf P40 FINISHED
Object Sound Transit Link system E9533 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: Sound Transit Link system | Statement: [1 Line, partOf, Sound Transit Link system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sound Transit Link system
Context triple: [1 Line, partOf, Sound Transit Link system]
  • A. Sound Transit Link light rail chosen
    Sound Transit Link light rail is a regional rapid transit system serving Seattle and surrounding communities with frequent, high-capacity train service.
  • B. Sound Transit
    Sound Transit is the regional public transit agency that plans, builds, and operates light rail, commuter rail, and express bus services in the greater Puget Sound area of Washington State.
  • C. 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.
  • 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. Seattle Transit System
    The Seattle Transit System was the former public transportation agency serving the Seattle area before being succeeded by King County Metro.
  • 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_69d6aac8c2f48190ad0596f1f89f0470 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e94f60d48190bc925c3cb88641a8 completed April 9, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4f4229c7081909da6b22ee6bf4905 completed April 19, 2026, 3:26 p.m.
Created at: April 8, 2026, 9:31 p.m.