Triple

T1620068
Position Surface form Disambiguated ID Type / Status
Subject MBTA bus route 57 E35009 entity
Predicate hasVariant P455 FINISHED
Object MBTA bus route 57A 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 57A | Statement: [MBTA bus route 57, hasVariant, MBTA bus route 57A]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA bus route 57A
Context triple: [MBTA bus route 57, hasVariant, MBTA bus route 57A]
  • 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 504
    MBTA bus route 504 is an express bus line in the Boston area that connects Watertown with downtown Boston, primarily serving commuters during peak hours.
  • E. MBTA bus route 502
    MBTA bus route 502 is an express bus line in the Boston area that connects Watertown and downtown Boston, primarily serving commuters along the Massachusetts Turnpike corridor.
  • 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_69a886023194819080a3fccd6e325d0e completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a909b0738c8190b073e0ccec5e217d completed March 5, 2026, 4:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ada0c3111081909bb8e503e77351cf completed March 8, 2026, 4:16 p.m.
Created at: March 4, 2026, 7:28 p.m.