Triple

T15450707
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Central Subway project E370141 entity
Predicate hasStation P35 FINISHED
Object Chinatown–Rose Pak station E74329 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: Chinatown–Rose Pak station | Statement: [San Francisco Central Subway project, hasStation, Chinatown–Rose Pak station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chinatown–Rose Pak station
Context triple: [San Francisco Central Subway project, hasStation, Chinatown–Rose Pak station]
  • A. Chinatown–Rose Pak station chosen
    Chinatown–Rose Pak station is an underground Muni Metro light rail station in San Francisco’s Chinatown neighborhood, serving as the northern terminus of the Central Subway line.
  • B. Chinatown station
    Chinatown station is an underground rapid transit stop in downtown Boston’s Chinatown neighborhood, providing access to the MBTA Orange Line and nearby cultural and commercial destinations.
  • C. Stadium–Chinatown station
    Stadium–Chinatown station is an elevated rapid transit station in downtown Vancouver, British Columbia, serving major nearby sports and entertainment venues.
  • D. Formosa Boulevard Station
    Formosa Boulevard Station is a major Kaohsiung MRT hub in Taiwan, renowned for its striking “Dome of Light” public art installation.
  • E. Old Town/Chinatown MAX Station
    Old Town/Chinatown MAX Station is a light rail station in Portland, Oregon, serving the Old Town Chinatown neighborhood as part of the city’s MAX transit system.
  • 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_69d85a19180081909925012fbf4e62a3 completed April 10, 2026, 2:02 a.m.
NER Named-entity recognition batch_69e03efaf82c81908b464e37ce9c159a completed April 16, 2026, 1:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff21b1e9688190a283dbc552072ce0 completed May 9, 2026, 11:59 a.m.
Created at: April 10, 2026, 3:21 a.m.