Triple

T21367132
Position Surface form Disambiguated ID Type / Status
Subject MBTA Mattapan Line E526945 entity
Predicate station P726 FINISHED
Object Milton — NE NERFINISHED

How this triple was built (3 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: Milton | Statement: [MBTA Mattapan Line, station, Milton]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Milton
Context triple: [MBTA Mattapan Line, station, Milton]
  • A. Milton
    Milton is a common English surname most famously borne by the 17th-century poet John Milton, author of "Paradise Lost."
  • B. Milton
    Milton is a small rural service town in the Otago region of New Zealand, historically linked to the local forestry and farming industries.
  • C. Milton
    Milton is a Canadian federal electoral district in Ontario represented in the House of Commons.
  • D. Milton
    Milton "Gummo" Marx was an American vaudeville performer and the least-known of the Marx Brothers, who left show business early to become a successful theatrical agent.
  • E. Milton
    Milton is a historic rural town in the City of Shoalhaven on the South Coast of New South Wales, Australia, known for its heritage architecture and artsy village atmosphere.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Milton
Target entity description: Milton is a Massachusetts Bay Transportation Authority (MBTA) light rail station in Milton, Massachusetts, serving the Mattapan trolley line.
  • A. Milton
    Milton is a suburban town in eastern Massachusetts, United States, located just south of Boston.
  • B. Milton
    Milton is a residential suburb located on Portsea Island in the city of Portsmouth, England.
  • C. Milton
    Milton is a village and civil parish just north of Cambridge in South Cambridgeshire, England, known for its proximity to the city and the nearby Cambridge Science Park.
  • D. Milton
    Milton is a small borough in central Pennsylvania, United States, known historically as an industrial and railroad town along the West Branch Susquehanna River.
  • E. Milton
    Milton is a locality within the French commune of Le Mortainais, situated in the Normandy region of northwestern France.
  • F. None of above. chosen

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_69e0b51e80808190ba5cb05667af02a9 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69ee5bae5eb88190be6d9ff4dc03d52b completed April 26, 2026, 6:38 p.m.
Created at: April 16, 2026, 5:09 p.m.