Triple

T15890428
Position Surface form Disambiguated ID Type / Status
Subject Ashmont–Braintree branch of the Red Line E385302 entity
Predicate hasStation P35 FINISHED
Object Quincy Center E32575 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: Quincy Center | Statement: [Ashmont–Braintree branch of the Red Line, hasStation, Quincy Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Quincy Center
Context triple: [Ashmont–Braintree branch of the Red Line, hasStation, Quincy Center]
  • A. Quincy Center chosen
    Quincy Center is a major transit station and commercial hub in Quincy, Massachusetts, providing access to subway and bus services within the Greater Boston area.
  • B. North Quincy
    North Quincy is a rapid transit station in Quincy, Massachusetts, on the Massachusetts Bay Transportation Authority’s Red Line.
  • C. Malden Center
    Malden Center is a major transit and commercial hub in Malden, Massachusetts, featuring an MBTA subway and commuter rail station surrounded by shops, restaurants, and civic buildings.
  • D. Ballston Center
    Ballston Center is an urban academic facility of Marymount University located in Arlington, Virginia, housing classrooms, offices, and specialized programs.
  • E. Quincy, Massachusetts
    Quincy, Massachusetts is a historic coastal city just south of Boston, known as the birthplace and home of several U.S. presidents and key figures of the American Revolution.
  • 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_69e1561e5ac481908ead7de3140c769d completed April 16, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb047b6248190b6c11ef20636f50f completed May 9, 2026, 10:08 p.m.
Created at: April 10, 2026, 4:51 a.m.