Triple

T8983189
Position Surface form Disambiguated ID Type / Status
Subject Swampscott, Massachusetts, United States E214585 entity
Predicate transportConnection P1298 FINISHED
Object Newburyport/Rockport Line (MBTA Commuter Rail) E168640 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: Newburyport/Rockport Line (MBTA Commuter Rail) | Statement: [Swampscott, Massachusetts, United States, transportConnection, Newburyport/Rockport Line (MBTA Commuter Rail)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Newburyport/Rockport Line (MBTA Commuter Rail)
Context triple: [Swampscott, Massachusetts, United States, transportConnection, Newburyport/Rockport Line (MBTA Commuter Rail)]
  • A. Newburyport/Rockport Line chosen
    The Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s North Station and coastal communities north of the city, including Newburyport and Rockport.
  • B. MBTA Commuter Rail Newburyport/Rockport Line
    The MBTA Commuter Rail Newburyport/Rockport Line is a Massachusetts Bay Transportation Authority rail service running from Boston’s North Station through Boston’s North Shore communities to the coastal termini of Newburyport and Rockport.
  • C. MBTA Commuter Rail Haverhill Line
    The MBTA Commuter Rail Haverhill Line is a Boston-area commuter rail route that runs between Boston’s North Station and the city of Haverhill, serving numerous communities north of Boston.
  • D. MBTA Fitchburg Line
    The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
  • E. MBTA Framingham/Worcester Line
    The MBTA Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and Worcester, serving numerous communities in the western suburbs.
  • 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_69ca839f76bc8190a4b7123cdd682199 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc67eb3cfc8190900a8253cc44621c completed April 1, 2026, 12:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfd0b3ce0c81908a7b4297e0867cc9 completed April 3, 2026, 2:37 p.m.
Created at: March 30, 2026, 7:03 p.m.