Triple

T3404415
Position Surface form Disambiguated ID Type / Status
Subject MBTA Braintree Branch E71735 entity
Predicate hasStation P35 FINISHED
Object Quincy Center station E39071 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 station | Statement: [MBTA Braintree Branch, hasStation, Quincy Center station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Quincy Center station
Context triple: [MBTA Braintree Branch, hasStation, Quincy Center station]
  • A. Quincy Center station chosen
    Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
  • B. North Quincy station
    North Quincy station is a rapid transit stop on Boston's MBTA Red Line serving the North Quincy neighborhood in Quincy, Massachusetts.
  • C. Malden Center station
    Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
  • D. Boylston station
    Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
  • E. Brookline Village station
    Brookline Village station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in the Brookline neighborhood just outside Boston.
  • 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_69ad85aac4808190a092c9cc8911f584 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb8e8ea848190b4ac167f1aba8ebd completed March 8, 2026, 5:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69b38bb30b708190ab06280feea59eaf completed March 13, 2026, 3:59 a.m.
Created at: March 8, 2026, 3:14 p.m.