Triple

T19711672
Position Surface form Disambiguated ID Type / Status
Subject Milton via Mattapan Line E473362 entity
Predicate hasStation P35 FINISHED
Object Capen Street station — 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: Capen Street station | Statement: [Milton via Mattapan Line, hasStation, Capen Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Capen Street station
Context triple: [Milton via Mattapan Line, hasStation, Capen Street station]
  • A. Capen Street station chosen
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • B. Fulton Street station
    Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
  • C. Fifth Avenue station
    Fifth Avenue station is a light rail stop in downtown San Diego, California, served by the UC San Diego Blue Line of the San Diego Trolley system.
  • D. Grove Street station
    Grove Street station is a light rail station in Bloomfield, New Jersey, serving as the northern terminus of the Newark Light Rail line.
  • E. Grove Street station
    Grove Street station is a key underground stop on the PATH rapid transit system serving Jersey City, New Jersey.
  • 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_69d8e516dd048190a0b6c93ea3e71f58 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e64408bde08190aa3bef8516491e03 completed April 20, 2026, 3:19 p.m.
Created at: April 10, 2026, 1:46 p.m.