Triple

T15897590
Position Surface form Disambiguated ID Type / Status
Subject Mattapan Yard E385500 entity
Predicate locatedIn P40 FINISHED
Object Mattapan, Boston, Massachusetts E104962 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: Mattapan, Boston, Massachusetts | Statement: [Mattapan Yard, locatedIn, Mattapan, Boston, Massachusetts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mattapan, Boston, Massachusetts
Context triple: [Mattapan Yard, locatedIn, Mattapan, Boston, Massachusetts]
  • A. East Boston, Massachusetts
    East Boston, Massachusetts is a waterfront neighborhood of Boston known for its diverse immigrant communities, residential streets, and proximity to Logan International Airport.
  • B. Mattapan neighborhood of Boston
    The Mattapan neighborhood of Boston is a predominantly residential, historically diverse area in the southern part of the city known for its strong Caribbean and African American communities.
  • C. Mattapan chosen
    Mattapan is a residential neighborhood in Boston, Massachusetts, known for its diverse community and location in the city's southern section.
  • D. Malden, Massachusetts
    Malden, Massachusetts is a suburban city just north of Boston known for its diverse population, historic neighborhoods, and mix of residential and commercial areas.
  • E. Stoneham, Massachusetts
    Stoneham, Massachusetts is a suburban town north of Boston known for its residential character and proximity to the Middlesex Fells Reservation.
  • 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_69d86da5b800819083a31be937d738b0 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1563b0e4c8190b338672dfb122665 completed April 16, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb04d4d1c819091d9b3357ca0deca completed May 9, 2026, 10:08 p.m.
Created at: April 10, 2026, 4:51 a.m.