Triple

T14428673
Position Surface form Disambiguated ID Type / Status
Subject Blue Hill Avenue E357763 entity
Predicate hasPublicTransitService P3791 FINISHED
Object MBTA bus route 28 E35958 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 28 | Statement: [Blue Hill Avenue, hasPublicTransitService, MBTA bus route 28]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA bus route 28
Context triple: [Blue Hill Avenue, hasPublicTransitService, MBTA bus route 28]
  • A. MBTA bus route 28 chosen
    MBTA bus route 28 is a major Boston-area bus line that runs along Blue Hill Avenue and Warren Street, connecting Mattapan and Roxbury to downtown transit hubs and serving some of the system’s highest-ridership corridors.
  • B. MBTA bus route 8
    MBTA bus route 8 is a Boston public transit bus line operated by the Massachusetts Bay Transportation Authority that connects Kenmore and the Harbor Point/UMass Boston area via key neighborhoods in the city.
  • C. MBTA bus route 60
    MBTA bus route 60 is a Massachusetts Bay Transportation Authority bus line that runs between downtown Brookline and Chestnut Hill, serving neighborhoods in the western Boston area.
  • D. 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.
  • E. MBTA bus route 8X
    MBTA bus route 8X was a former express bus service in Boston’s Massachusetts Bay Transportation Authority system that provided limited-stop connections between key neighborhoods and central transit hubs.
  • 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_69d8279402a88190821ffa39ae15bccf completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de91154de881909266ae88d1545685 completed April 14, 2026, 7:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd5bd1c4d0819085edb9ed22128b68 completed May 8, 2026, 3:43 a.m.
Created at: April 10, 2026, 1:18 a.m.