Triple

T2826434
Position Surface form Disambiguated ID Type / Status
Subject Fenway station E54933 entity
Predicate near P350 FINISHED
Object Back Bay Fens E13098 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: Back Bay Fens | Statement: [Fenway station, near, Back Bay Fens]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Back Bay Fens
Context triple: [Fenway station, near, Back Bay Fens]
  • A. Back Bay Fens chosen
    Back Bay Fens is a historic urban park and restored salt marsh in Boston, Massachusetts, known for its scenic waterways, walking paths, and role as part of the city’s Emerald Necklace park system.
  • B. Avon River parklands
    Avon River parklands are scenic riverside green spaces in Stratford, Ontario, known for their walking paths, gardens, and proximity to cultural attractions like the Stratford Festival Theatre.
  • C. Charles River Reservation
    Charles River Reservation is a linear state park in Massachusetts that preserves and provides recreational access to the scenic banks and basin of the Charles River.
  • D. Alewife Brook Reservation
    Alewife Brook Reservation is an urban nature preserve and wetland park in Cambridge, Massachusetts, offering trails, wildlife habitat, and floodplain protection within the Boston metropolitan area.
  • E. Lincoln Marsh Natural Area
    Lincoln Marsh Natural Area is a protected wetland and wildlife habitat in Wheaton, Illinois, featuring trails, boardwalks, and environmental education opportunities.
  • 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_69ab49e100c0819082a40cb797383243 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abde94ba848190b2c990936e07e6bb completed March 7, 2026, 8:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69afceb20c508190ba87e102ba250a00 completed March 10, 2026, 7:56 a.m.
Created at: March 6, 2026, 9:59 p.m.