Triple

T4495079
Position Surface form Disambiguated ID Type / Status
Subject Neponset River valley E100674 entity
Predicate contains P35 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: [Neponset River valley, contains, Mattapan, Boston, Massachusetts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mattapan, Boston, Massachusetts
Context triple: [Neponset River valley, contains, 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 chosen
    Mattapan is a residential neighborhood in Boston, Massachusetts, known for its diverse community and location in the city's southern section.
  • C. 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.
  • D. Stoneham, Massachusetts
    Stoneham, Massachusetts is a suburban town north of Boston known for its residential character and proximity to the Middlesex Fells Reservation.
  • E. Allston, Massachusetts
    Allston, Massachusetts is a vibrant Boston neighborhood known for its large student population, diverse immigrant communities, and growing innovation and arts scene.
  • 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_69bd43cdf15081909a4fa2585ff63b3e completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd56bde14c819091d42839a46291d0 completed March 20, 2026, 2:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69bd67bfb4788190b64975b1999a8d1e completed March 20, 2026, 3:29 p.m.
Created at: March 20, 2026, 1 p.m.