Triple

T10139781
Position Surface form Disambiguated ID Type / Status
Subject Middleborough/Lakeville Line E226950 entity
Predicate terminus P388 FINISHED
Object Middleborough/Lakeville station E358016 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: Middleborough/Lakeville station | Statement: [Middleborough/Lakeville Line, terminus, Middleborough/Lakeville station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Middleborough/Lakeville station
Context triple: [Middleborough/Lakeville Line, terminus, Middleborough/Lakeville station]
  • A. Middleborough/Lakeville station chosen
    Middleborough/Lakeville station is a Massachusetts Bay Transportation Authority commuter rail stop in southeastern Massachusetts serving as a key terminus for riders traveling between the South Shore region and Boston.
  • B. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • C. Hamilton/Wenham station
    Hamilton/Wenham station is a Massachusetts Bay Transportation Authority commuter rail stop on the Newburyport/Rockport Line serving the towns of Hamilton and Wenham in northeastern Massachusetts.
  • D. Malden Center station
    Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
  • E. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of 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_69ca8433ec308190b8b25a6fe359c34c completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cde8851844819092330e74561b7e34 completed April 2, 2026, 3:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2e5f8cf7481908d0caca5a245cb64 completed April 5, 2026, 10:45 p.m.
Created at: March 30, 2026, 9:06 p.m.