Triple

T15403809
Position Surface form Disambiguated ID Type / Status
Subject Green Line (MBTA) E368394 entity
Predicate hasSubwaySection P15152 FINISHED
Object Tremont Street subway E163466 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: Tremont Street subway | Statement: [Green Line (MBTA), hasSubwaySection, Tremont Street subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tremont Street subway
Context triple: [Green Line (MBTA), hasSubwaySection, Tremont Street subway]
  • A. Tremont Street subway chosen
    The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
  • B. Degraves Street subway
    Degraves Street subway is an underground pedestrian passage in central Melbourne that links Flinders Street Station to Degraves Street and nearby laneways.
  • C. Seventh Avenue subway corridor
    The Seventh Avenue subway corridor is a major New York City Subway route running along Seventh Avenue in Manhattan and continuing into Brooklyn, serving as a key north–south transit spine for multiple lines.
  • D. Fulton Street subway corridor
    The Fulton Street subway corridor is a major New York City Subway trunk line running through Lower Manhattan and into Brooklyn, serving as a key east–west transit artery for multiple lines and stations.
  • E. Broad Street (BMT Nassau Street Line)
    Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
  • 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_69d85a16c68c819099c1b547fbc87b32 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e8fde64819082ec0c68df305561 completed April 16, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff13584f8881908b2527c51f85ae28 completed May 9, 2026, 10:58 a.m.
Created at: April 10, 2026, 3:19 a.m.