Triple

T10150860
Position Surface form Disambiguated ID Type / Status
Subject Newburyport, Massachusetts E232633 entity
Predicate railService P522 FINISHED
Object MBTA Commuter Rail Newburyport/Rockport Line E17744 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 Commuter Rail Newburyport/Rockport Line | Statement: [Newburyport, Massachusetts, railService, MBTA Commuter Rail Newburyport/Rockport Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Commuter Rail Newburyport/Rockport Line
Context triple: [Newburyport, Massachusetts, railService, MBTA Commuter Rail Newburyport/Rockport Line]
  • A. MBTA Commuter Rail Newburyport/Rockport Line chosen
    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.
  • B. 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.
  • C. MBTA Commuter Rail Old Colony Lines
    The MBTA Commuter Rail Old Colony Lines are a set of commuter rail routes in eastern Massachusetts that provide service between Boston and communities along the historic Old Colony Railroad corridors, including the South Shore and parts of southeastern Massachusetts.
  • D. MBTA Commuter Rail Middleborough/Lakeville Line
    The MBTA Commuter Rail Middleborough/Lakeville Line is a Massachusetts Bay Transportation Authority rail service connecting Boston’s South Station with southeastern Massachusetts communities including Middleborough and Lakeville.
  • E. MBTA Commuter Rail Greenbush Line
    The MBTA Commuter Rail Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston’s South Station with coastal South Shore communities, including towns such as Hingham, Cohasset, and Scituate.
  • 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_69ca84885e48819088a31b127cf44904 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cdec0584a48190b65daa8370555c27 completed April 2, 2026, 4:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2e640d1e0819094d30556ccb958b0 completed April 5, 2026, 10:46 p.m.
Created at: March 30, 2026, 9:08 p.m.