Triple

T15878716
Position Surface form Disambiguated ID Type / Status
Subject Green Line Medford/Tufts branch E385017 entity
Predicate locatedIn P40 FINISHED
Object Medford, Massachusetts 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: Medford, Massachusetts | Statement: [Green Line Medford/Tufts branch, locatedIn, Medford, Massachusetts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Medford, Massachusetts
Context triple: [Green Line Medford/Tufts branch, locatedIn, Medford, Massachusetts]
  • A. Medford, Massachusetts chosen
    Medford, Massachusetts is a historic city just northwest of Boston, known for being the home of Tufts University and for its role in early American colonial and industrial history.
  • B. Newton, Massachusetts
    Newton, Massachusetts is a suburban city west of Boston known for its affluent residential neighborhoods, strong public schools, and village-style layout without a traditional downtown.
  • C. Medford
    Medford is a city in southern Oregon that serves as a regional commercial and transportation hub in the Rogue Valley.
  • D. Medford
    Medford is a small city in Steele County, Minnesota, known for its residential community and proximity to larger regional centers like Owatonna.
  • E. Medford
    Medford is a hamlet and residential community located within the Town of Brookhaven in Suffolk County on Long Island, New York.
  • 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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e155ff96588190b8fca1c3bf4a39a2 completed April 16, 2026, 9:34 p.m.
Created at: April 10, 2026, 4:51 a.m.