Triple

T5878660
Position Surface form Disambiguated ID Type / Status
Subject Chinatown (Boston) E130687 entity
Predicate hasSubwayStation P726 FINISHED
Object Tufts Medical Center station E203510 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: Tufts Medical Center station | Statement: [Chinatown (Boston), hasSubwayStation, Tufts Medical Center station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tufts Medical Center station
Context triple: [Chinatown (Boston), hasSubwayStation, Tufts Medical Center station]
  • A. Tufts Medical Center station chosen
    Tufts Medical Center station is an underground rapid transit stop in Boston, Massachusetts, located in the Chinatown/South Cove area and serving the MBTA Orange Line.
  • B. Medford/Tufts station
    Medford/Tufts station is a Massachusetts Bay Transportation Authority light rail station in Medford serving Tufts University and the surrounding area.
  • C. Beverly Farms station
    Beverly Farms station is a commuter rail stop in the Beverly Farms neighborhood of Beverly, Massachusetts, served by the MBTA's Newburyport/Rockport Line.
  • D. Charles/MGH station
    Charles/MGH station is an elevated Massachusetts Bay Transportation Authority subway stop in Boston serving the Red Line near the Charles River and Massachusetts General Hospital.
  • E. Northeastern University station
    Northeastern University station is a light rail stop on Boston’s MBTA Green Line serving the Northeastern University campus and the surrounding Fenway–Kenmore area.
  • 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_69c0085523688190bfd487479ce819e6 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c036327efc8190858e9364cd5d317b completed March 22, 2026, 6:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69c108039acc8190a5ce23412f1a359c completed March 23, 2026, 9:29 a.m.
Created at: March 22, 2026, 3:57 p.m.