Triple

T10358653
Position Surface form Disambiguated ID Type / Status
Subject Dorchester neighborhood of Boston E244070 entity
Predicate servedBy P82 FINISHED
Object Ashmont Branch of the Red Line E385302 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: Ashmont Branch of the Red Line | Statement: [Dorchester neighborhood of Boston, servedBy, Ashmont Branch of the Red Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ashmont Branch of the Red Line
Context triple: [Dorchester neighborhood of Boston, servedBy, Ashmont Branch of the Red Line]
  • A. Ashmont–Braintree branch of the Red Line chosen
    The Ashmont–Braintree branch of the Red Line is a major rapid transit corridor of Boston’s MBTA system, running south from downtown Boston to the suburbs of Ashmont and Braintree.
  • B. Green Line Union Square branch
    The Green Line Union Square branch is a light rail extension of Boston’s MBTA Green Line that serves the Union Square area of Somerville, Massachusetts.
  • C. Braintree Branch of the Red Line
    The Braintree Branch of the Red Line is a southern extension of Boston’s MBTA rapid transit system that runs from JFK/UMass through Quincy to Braintree, serving several South Shore communities.
  • D. Belmont station (CTA Red Line)
    Belmont station (CTA Red Line) is a major Chicago 'L' rapid transit hub in the Lakeview neighborhood where the Red, Brown, and Purple Lines converge.
  • E. Red Line Braintree Branch
    The Red Line Braintree Branch is a southern extension of Boston's MBTA Red Line rapid transit system that serves communities between Quincy and Braintree.
  • 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_69d381b22b8c8190aaed476be5f872a9 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e95708c481909c8c8cb2a57bf6d6 completed April 7, 2026, 11:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69d750b02ae48190898f9f97ab19ce60 completed April 9, 2026, 7:09 a.m.
Created at: April 6, 2026, 11:59 a.m.