Triple

T15450702
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Central Subway project E370141 entity
Predicate partOfLine P6309 FINISHED
Object T Third Street line E73820 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: T Third Street line | Statement: [San Francisco Central Subway project, partOfLine, T Third Street line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: T Third Street line
Context triple: [San Francisco Central Subway project, partOfLine, T Third Street line]
  • A. T Third Street line chosen
    The T Third Street line is a San Francisco Muni Metro light rail line that serves the city’s southeastern neighborhoods and provides a key north–south transit corridor.
  • B. 63rd Street lines
    The 63rd Street lines are New York City Subway routes that run under 63rd Street in Manhattan, providing crosstown service and connections between Manhattan and Queens.
  • C. T Line
    The T Line is a streetcar-style light rail route within the Sound Transit Link system serving Tacoma, Washington.
  • D. Línea 3
    Línea 3 is a metro line that forms part of an urban rapid transit network, connecting multiple stations and intersecting with other lines to facilitate passenger transfers.
  • E. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • 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.