Triple

T3956515
Position Surface form Disambiguated ID Type / Status
Subject Natick, Massachusetts E85792 entity
Predicate servedBy P82 FINISHED
Object MBTA Commuter Rail Framingham/Worcester Line E260642 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 Framingham/Worcester Line | Statement: [Natick, Massachusetts, servedBy, MBTA Commuter Rail Framingham/Worcester Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Commuter Rail Framingham/Worcester Line
Context triple: [Natick, Massachusetts, servedBy, MBTA Commuter Rail Framingham/Worcester Line]
  • A. MBTA Framingham/Worcester Line chosen
    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.
  • B. 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.
  • 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 Providence/Stoughton Line
    The MBTA Commuter Rail Providence/Stoughton Line is a regional rail service connecting Boston with Providence and Stoughton, providing key commuter and intercity transit through southeastern Massachusetts and northern Rhode Island.
  • E. 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.
  • 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_69aed93a96908190bcbdbfa718f155bd completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aef95bbb9c8190bd64c5b7ea2f341a completed March 9, 2026, 4:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69b533aea08c8190b83d83e3ba89848c completed March 14, 2026, 10:08 a.m.
Created at: March 9, 2026, 3:31 p.m.