Triple

T19005472
Position Surface form Disambiguated ID Type / Status
Subject Copley Place E465066 entity
Predicate publicTransitAccess P1288 FINISHED
Object MBTA Orange Line at Back Bay Station NE NERFINISHED

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: MBTA Orange Line at Back Bay Station | Statement: [Copley Place, publicTransitAccess, MBTA Orange Line at Back Bay Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA Orange Line at Back Bay Station
Context triple: [Copley Place, publicTransitAccess, MBTA Orange Line at Back Bay Station]
  • A. MBTA Orange Line at Back Bay Station chosen
    MBTA Orange Line at Back Bay Station is a major Boston subway stop on the Orange Line that serves the Back Bay neighborhood and provides direct access to regional rail and nearby commercial centers.
  • B. MBTA Orange Line at North Station
    MBTA Orange Line at North Station is a major Boston rapid transit stop located at the North Station transportation hub, providing subway connections to commuter rail lines and nearby sports and entertainment venues.
  • C. MBTA Silver Line at South Station
    The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
  • D. MBTA Green Line at Park Street station
    The MBTA Green Line at Park Street station is a central Boston light rail stop located on the Tremont Street Subway, serving multiple Green Line branches and providing key transfers to the Red Line.
  • E. MBTA Red Line at South Station
    The MBTA Red Line at South Station is a major rapid transit stop in downtown Boston that serves as a key hub for subway, commuter rail, intercity rail, and bus connections.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8dd01a56c81909694a128c66b21d7 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d6a494688190a277b2cddf300235 completed April 20, 2026, 7:32 a.m.
Created at: April 10, 2026, 12:01 p.m.