Triple

T22808486
Position Surface form Disambiguated ID Type / Status
Subject Green Line central subway E564602 entity
Predicate interchangeWith P3495 FINISHED
Object MBTA Blue Line at Government Center 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 Blue Line at Government Center | Statement: [Green Line central subway, interchangeWith, MBTA Blue Line at Government Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA Blue Line at Government Center
Context triple: [Green Line central subway, interchangeWith, MBTA Blue Line at Government Center]
  • A. MBTA Blue Line at Government Center chosen
    MBTA Blue Line at Government Center is an underground rapid transit station in downtown Boston that serves the Blue Line and provides a key transfer point to the Green Line.
  • B. MBTA Green Line at Government Center
    The MBTA Green Line at Government Center is a major light rail subway station in downtown Boston that serves as a key transfer point and access hub for nearby civic and historic landmarks.
  • C. MBTA Red Line at Central Square
    The MBTA Red Line at Central Square is a rapid transit station in Cambridge, Massachusetts, serving as a key subway stop connecting the Central Square neighborhood to Boston and the greater metro area.
  • D. MBTA Red Line at Downtown Crossing
    The MBTA Red Line at Downtown Crossing is a major rapid transit station in Boston’s downtown core that serves as a key transfer point between the Red and Orange subway lines and provides access to nearby commercial and historic districts.
  • E. 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.
  • 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_69e245823f4c8190ade442cdcc2c224a completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17d5e0b088190ad0b9cc0d5aa1d96 completed April 29, 2026, 3:39 a.m.
Created at: April 17, 2026, 3:32 p.m.