Triple

T3470248
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Greenbush Line E73239 entity
Predicate terminus P388 FINISHED
Object Greenbush
Greenbush is a village in Scituate, Massachusetts, that serves as the endpoint of the MBTA Commuter Rail’s Greenbush Line.
E384639 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: Greenbush | Statement: [MBTA Commuter Rail Greenbush Line, terminus, Greenbush]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Greenbush
Context triple: [MBTA Commuter Rail Greenbush Line, terminus, Greenbush]
  • A. Coombabah
    Coombabah is a suburb on the Gold Coast in Queensland, Australia, known for its wetlands, nature reserve, and residential communities.
  • B. Cunnamulla
    Cunnamulla is a small outback town in southwestern Queensland, Australia, known for its sheep and cattle grazing, artesian bore baths, and role as a service centre for the surrounding rural region.
  • C. Murwillumbah
    Murwillumbah is a regional town in far northeastern New South Wales, Australia, known as a gateway to the Tweed Valley and nearby Mount Warning (Wollumbin) National Park.
  • D. Bolwarra
    Bolwarra is a residential suburb in the Maitland region of New South Wales, Australia, known for its semi-rural character and proximity to the Hunter River.
  • E. Grose Valley
    Grose Valley is a vast, rugged sandstone gorge and wilderness area in Australia’s Blue Mountains, known for its dramatic cliffs, waterfalls, and bushwalking trails.
  • 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: Greenbush
Triple: [MBTA Commuter Rail Greenbush Line, terminus, Greenbush]
Generated description
Greenbush is a village in Scituate, Massachusetts, that serves as the endpoint of the MBTA Commuter Rail’s Greenbush Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Greenbush
Target entity description: Greenbush is a village in Scituate, Massachusetts, that serves as the endpoint of the MBTA Commuter Rail’s Greenbush Line.
  • A. Coombabah
    Coombabah is a suburb on the Gold Coast in Queensland, Australia, known for its wetlands, nature reserve, and residential communities.
  • B. Cunnamulla
    Cunnamulla is a small outback town in southwestern Queensland, Australia, known for its sheep and cattle grazing, artesian bore baths, and role as a service centre for the surrounding rural region.
  • C. Murwillumbah
    Murwillumbah is a regional town in far northeastern New South Wales, Australia, known as a gateway to the Tweed Valley and nearby Mount Warning (Wollumbin) National Park.
  • D. Bolwarra
    Bolwarra is a residential suburb in the Maitland region of New South Wales, Australia, known for its semi-rural character and proximity to the Hunter River.
  • E. Grose Valley
    Grose Valley is a vast, rugged sandstone gorge and wilderness area in Australia’s Blue Mountains, known for its dramatic cliffs, waterfalls, and bushwalking trails.
  • 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_69ad85b2fed48190948c8765e453d270 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adbb392f6481908b6ad0457b8cf421 completed March 8, 2026, 6:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4daeff8c0819097e60f893e6669d5 completed March 14, 2026, 3:50 a.m.
NEDg Description generation batch_69b4dedf1bb8819085ca054b3dfc95d8 completed March 14, 2026, 4:06 a.m.
NED2 Entity disambiguation (via description) batch_69b4df53bb648190af6507919fd4d59d completed March 14, 2026, 4:08 a.m.
Created at: March 8, 2026, 3:17 p.m.