Triple

T15554239
Position Surface form Disambiguated ID Type / Status
Subject Muni Metro lines E370826 entity
Predicate runsOn P23 FINISHED
Object Market Street Subway trunk line E76841 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: Market Street Subway trunk line | Statement: [Muni Metro lines, runsOn, Market Street Subway trunk line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Market Street Subway trunk line
Context triple: [Muni Metro lines, runsOn, Market Street Subway trunk line]
  • A. Market Street subway chosen
    The Market Street subway is a major underground transit corridor in San Francisco that carries both BART and Muni Metro trains beneath Market Street through the city’s downtown.
  • B. California Street line
    The California Street line is one of San Francisco’s historic cable car routes, running east–west across the city’s California Street and offering classic views of its steep hills and downtown skyline.
  • C. Concourse Line
    The Concourse Line is a New York City Subway line in the Bronx, primarily served by the B and D trains and running along the Grand Concourse corridor.
  • D. Archer Avenue Subway
    The Archer Avenue Subway is a New York City Subway extension in Queens that opened in the late 1980s to replace portions of the demolished elevated Jamaica Line and improve transit access to the Jamaica Center area.
  • E. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • 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_69d85cc6cf40819091f4a5facee1ebe6 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04a96c0c88190808f68601a36b506 completed April 16, 2026, 2:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4c3e67c881909a9fa1e483a364be completed May 9, 2026, 3:01 p.m.
Created at: April 10, 2026, 4:09 a.m.