Triple

T9939224
Position Surface form Disambiguated ID Type / Status
Subject Green Line (MBTA) E194035 entity
Predicate terminus P388 FINISHED
Object Boston College station E260827 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: Boston College station | Statement: [Green Line (MBTA), terminus, Boston College station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boston College station
Context triple: [Green Line (MBTA), terminus, Boston College station]
  • A. Boston College station chosen
    Boston College station is a light rail stop in Chestnut Hill, Massachusetts, serving as the western terminus of the MBTA Green Line’s B branch near Boston College’s main campus.
  • B. Boston University East station
    Boston University East station is a surface light rail stop in Boston, Massachusetts, serving Boston University along the MBTA Green Line.
  • C. Boston University West station
    Boston University West station is a light rail stop on the MBTA Green Line in Boston serving the Boston University campus area.
  • D. 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.
  • E. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park 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_69ca82e409348190a393777356b80a2a completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cdb5e819e08190967b799fd236749e completed April 2, 2026, 12:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69d228fdb8e48190808702d48470395a completed April 5, 2026, 9:18 a.m.
Created at: March 30, 2026, 8:44 p.m.