Triple

T8253584
Position Surface form Disambiguated ID Type / Status
Subject Embarcadero Station (BART/Muni Metro nearby terminus area) E193014 entity
Predicate hasNearbyTransit P5822 FINISHED
Object historic streetcar F Market & Wharves line E363842 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: historic streetcar F Market & Wharves line | Statement: [Embarcadero Station (BART/Muni Metro nearby terminus area), hasNearbyTransit, historic streetcar F Market & Wharves line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: historic streetcar F Market & Wharves line
Context triple: [Embarcadero Station (BART/Muni Metro nearby terminus area), hasNearbyTransit, historic streetcar F Market & Wharves line]
  • A. historic streetcar F-line
    The historic streetcar F-line is a popular San Francisco transit route that uses restored vintage streetcars to connect key areas of the city, including the Embarcadero and Market Street.
  • B. F Market & Wharves historic streetcar line chosen
    The F Market & Wharves historic streetcar line is a San Francisco transit route that operates vintage streetcars along Market Street and the Embarcadero, serving both daily commuters and tourists.
  • C. Brill streetcar
    The Brill streetcar is a historic electric tramcar model built by the J.G. Brill Company, known for its early 20th-century use in urban street railway systems and preservation in heritage streetcar fleets.
  • D. College Street streetcar
    The College Street streetcar is a Toronto Transit Commission streetcar route that runs along College Street, serving key downtown neighborhoods including the Discovery District.
  • E. Broad Street Line subway cars
    Broad Street Line subway cars are the rapid transit vehicles used on Philadelphia's Broad Street Line, designed for high-capacity urban subway service.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78cbc7cc81909931440e95d6e691 completed March 31, 2026, 7:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd354a412c8190963605d177d94a17 completed April 1, 2026, 3:10 p.m.
Created at: March 30, 2026, 5:48 p.m.