Triple

T4082343
Position Surface form Disambiguated ID Type / Status
Subject North End, Boston E87503 entity
Predicate connectedBy P37 FINISHED
Object MBTA Green Line (nearby Haymarket and North Station) E25076 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 Green Line (nearby Haymarket and North Station) | Statement: [North End, Boston, connectedBy, MBTA Green Line (nearby Haymarket and North Station)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Green Line (nearby Haymarket and North Station)
Context triple: [North End, Boston, connectedBy, MBTA Green Line (nearby Haymarket and North Station)]
  • A. MBTA Green Line D branch (nearby stations)
    The MBTA Green Line D branch is a light rail line in Greater Boston that runs between downtown Boston and several western suburbs, including Newton, providing frequent local transit service.
  • B. Green Line at North Station
    The Green Line at North Station is a major MBTA light rail stop in Boston that serves as a key transfer point between the Green Line trolleys and regional commuter rail services.
  • C. 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.
  • D. MBTA Silver Line at South Station
    The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
  • E. MBTA Green Line chosen
    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.
  • 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_69aed9435cf48190ad1da737c962d19d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefc77dab481909bcf197daf2def59 completed March 9, 2026, 4:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b56b6067908190b9724c6d58bda305 completed March 14, 2026, 2:06 p.m.
Created at: March 9, 2026, 3:39 p.m.