Triple

T4572404
Position Surface form Disambiguated ID Type / Status
Subject Museum of Fine Arts station E123061 entity
Predicate hasSignage P5950 FINISHED
Object MBTA standard Green Line signage E36020 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 standard Green Line signage | Statement: [Museum of Fine Arts station, hasSignage, MBTA standard Green Line signage]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA standard Green Line signage
Context triple: [Museum of Fine Arts station, hasSignage, MBTA standard Green Line signage]
  • A. MBTA standard signage chosen
    MBTA standard signage is the uniform system of wayfinding signs, symbols, and typography used across Boston’s public transit network to guide passengers and provide consistent information.
  • 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 Green Line rolling stock
    MBTA Green Line rolling stock comprises the light rail vehicles used on Boston’s Green Line, including multiple generations of trolleys that serve as the backbone of the city’s surface and subway light rail service.
  • D. MBTA Green Line
    The MBTA Green Line is a light rail service in Boston, Massachusetts, known as one of the oldest subway lines in the United States and serving key neighborhoods, universities, and cultural destinations across the city.
  • E. MBTA Red Line
    The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
  • 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_69bd46466c7081909d07f36be2d08804 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd58c711408190a2b096daf57e6eac completed March 20, 2026, 2:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdd3d709308190aeb6a71a9dabdd3c completed March 20, 2026, 11:10 p.m.
Created at: March 20, 2026, 1:10 p.m.