Triple

T2824846
Position Surface form Disambiguated ID Type / Status
Subject Hyde Park, Boston E54894 entity
Predicate servedByTransitLine P6301 FINISHED
Object MBTA Providence/Stoughton Line E267904 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: MBTA Providence/Stoughton Line | Statement: [Hyde Park, Boston, servedByTransitLine, MBTA Providence/Stoughton Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA Providence/Stoughton Line
Context triple: [Hyde Park, Boston, servedByTransitLine, MBTA Providence/Stoughton Line]
  • A. MBTA Commuter Rail Providence/Stoughton Line chosen
    The MBTA Commuter Rail Providence/Stoughton Line is a regional rail service connecting Boston with Providence and Stoughton, providing key commuter and intercity transit through southeastern Massachusetts and northern Rhode Island.
  • B. MBTA Fitchburg Line
    The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
  • C. MBTA Fairmount Line
    The MBTA Fairmount Line is a commuter rail service in Boston, Massachusetts, connecting several neighborhoods in the city’s southern corridor to downtown.
  • D. MBTA Blue Line
    The MBTA Blue Line is a rapid transit line in the Boston metropolitan area that runs primarily along the city’s northeastern corridor, connecting downtown Boston with East Boston, Logan Airport, and Revere.
  • E. MBTA Framingham/Worcester Line
    The MBTA Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and Worcester, serving numerous communities in the western suburbs.
  • 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_69ab49e100c0819082a40cb797383243 completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abde925e688190bb390d3182f8c4f0 completed March 7, 2026, 8:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69bda3e679a881908f91a36675037d1a completed March 20, 2026, 7:45 p.m.
Created at: March 6, 2026, 9:59 p.m.