Triple

T9903762
Position Surface form Disambiguated ID Type / Status
Subject Watertown branch of the Green Line A E182351 entity
Predicate successor P78 FINISHED
Object MBTA bus route 57 E35009 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: MBTA bus route 57 | Statement: [Watertown branch of the Green Line A, successor, MBTA bus route 57]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route 57
Context triple: [Watertown branch of the Green Line A, successor, MBTA bus route 57]
  • A. MBTA bus route 57 chosen
    MBTA bus route 57 is a key Boston-area bus line that connects downtown Boston with Allston, Brighton, and Watertown, serving as a major transit corridor along Commonwealth Avenue and beyond.
  • B. MBTA bus route 70
    MBTA bus route 70 is a Massachusetts Bay Transportation Authority bus line that runs between Cambridge and Waltham, serving several communities along the Charles River corridor.
  • C. MBTA bus route 71
    MBTA bus route 71 is a Massachusetts Bay Transportation Authority bus line that primarily operates between Harvard Square in Cambridge and Watertown, serving neighborhoods along Mount Auburn Street.
  • D. MBTA bus route 73
    MBTA bus route 73 is a Massachusetts Bay Transportation Authority bus line serving the corridor between Harvard Square in Cambridge and Waverley Square in Belmont.
  • E. MBTA bus route 65
    MBTA bus route 65 is a Massachusetts Bay Transportation Authority bus line that runs between Brighton and Brookline, serving neighborhoods along Washington Street and providing connections to the Green Line.
  • 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_69ca82876f8081909cf75df0f99bb13f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4e4f92c81908e38509416f19c78 completed April 2, 2026, 12:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1eb2778bc81909d7e09da718d9afa completed April 5, 2026, 4:55 a.m.
Created at: March 30, 2026, 8:40 p.m.