Triple

T22963883
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail at South Station E570980 entity
Predicate connects P390 FINISHED
Object Worcester, Massachusetts (via Framingham/Worcester Line) — NE NERFINISHED

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: Worcester, Massachusetts (via Framingham/Worcester Line) | Statement: [MBTA Commuter Rail at South Station, connects, Worcester, Massachusetts (via Framingham/Worcester Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Worcester, Massachusetts (via Framingham/Worcester Line)
Context triple: [MBTA Commuter Rail at South Station, connects, Worcester, Massachusetts (via Framingham/Worcester Line)]
  • A. Framingham/Worcester Line
    The Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with the western suburbs and the city of Worcester.
  • B. Boston’s North Station (via Fitchburg Line)
    Boston’s North Station (via Fitchburg Line) is a major MBTA commuter rail terminal in Boston that serves as the downtown endpoint for the Fitchburg Line and several other northside rail routes.
  • C. Oxford–Worcester line
    The Oxford–Worcester line is a railway route in England that connects Oxford with Worcester, serving intermediate towns and providing regional passenger services.
  • D. 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.
  • E. Worcester, Massachusetts chosen
    Worcester, Massachusetts is a major city in central Massachusetts known as a historic industrial and educational hub often called the "Heart of the Commonwealth."
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e245b212a88190b5259caf51606084 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f181f66fbc8190a4a7b73d17537132 completed April 29, 2026, 3:58 a.m.
Created at: April 17, 2026, 3:47 p.m.