Triple

T11313624
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Providence/Stoughton Line E267904 entity
Predicate hasStop P17789 FINISHED
Object Attleboro station
Attleboro station is a Massachusetts Bay Transportation Authority commuter rail station in Attleboro, Massachusetts, serving regional rail passengers between Boston and Providence.
E918774 NE FINISHED

How this triple was built (4 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: Attleboro station | Statement: [MBTA Commuter Rail Providence/Stoughton Line, hasStop, Attleboro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Attleboro station
Context triple: [MBTA Commuter Rail Providence/Stoughton Line, hasStop, Attleboro station]
  • A. Fitchburg station
    Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
  • B. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • C. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • D. Middleborough/Lakeville station
    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.
  • E. Stoughton Station
    Stoughton Station is a Massachusetts Bay Transportation Authority commuter rail station in Stoughton, Massachusetts, serving as the endpoint for trains on the Providence/Stoughton Line.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Attleboro station
Triple: [MBTA Commuter Rail Providence/Stoughton Line, hasStop, Attleboro station]
Generated description
Attleboro station is a Massachusetts Bay Transportation Authority commuter rail station in Attleboro, Massachusetts, serving regional rail passengers between Boston and Providence.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Attleboro station
Target entity description: Attleboro station is a Massachusetts Bay Transportation Authority commuter rail station in Attleboro, Massachusetts, serving regional rail passengers between Boston and Providence.
  • A. Fitchburg station
    Fitchburg station is a commuter rail stop in Fitchburg, Massachusetts, serving as a terminus on the MBTA Fitchburg Line connecting the city to the Greater Boston area.
  • B. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • C. Readville station
    Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
  • D. Middleborough/Lakeville station
    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.
  • E. Stoughton Station
    Stoughton Station is a Massachusetts Bay Transportation Authority commuter rail station in Stoughton, Massachusetts, serving as the endpoint for trains on the Providence/Stoughton Line.
  • F. None of above. chosen

Provenance (5 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_69d6aaca5c24819083db46a30d86cb34 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e9c2c7b081909af8acebc8aa93aa completed April 9, 2026, 6:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69e525c35538819085d76f7cdf362316 completed April 19, 2026, 6:58 p.m.
NEDg Description generation batch_69e52c81449c8190847b64fa91a45b2e completed April 19, 2026, 7:26 p.m.
NED2 Entity disambiguation (via description) batch_69e531b079708190ac9e19127d36a848 completed April 19, 2026, 7:49 p.m.
Created at: April 8, 2026, 9:32 p.m.