Triple

T3470262
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Greenbush Line E73239 entity
Predicate endPoint P390 FINISHED
Object Greenbush station
Greenbush station is a Massachusetts Bay Transportation Authority commuter rail stop in Scituate, Massachusetts, serving as the terminus of the Greenbush Line.
E360941 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 station | Statement: [MBTA Commuter Rail Greenbush Line, endPoint, Greenbush station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Greenbush station
Context triple: [MBTA Commuter Rail Greenbush Line, endPoint, Greenbush station]
  • A. Stockyards Station
    Stockyards Station is a historic shopping, dining, and entertainment complex in Fort Worth’s Stockyards area that preserves and showcases the city’s Western and cattle-driving heritage.
  • B. Woodside station
    Woodside station is a major Long Island Rail Road commuter rail stop in Queens, New York City, serving as an important transfer point between multiple LIRR branches and New York City Subway lines.
  • C. Bathurst station
    Bathurst station is a Toronto Transit Commission subway station located in the city's west end, serving the Bloor–Danforth line and connecting to nearby surface transit routes.
  • D. Casula railway station
    Casula railway station is a suburban train station in Sydney, Australia, serving the local community on the city's Airport & South Line.
  • E. Campbelltown railway station
    Campbelltown railway station is a major suburban and intercity rail hub in Sydney’s south-west, serving as a key terminus and interchange for services on the Sydney Trains network.
  • 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 station
Triple: [MBTA Commuter Rail Greenbush Line, endPoint, Greenbush station]
Generated description
Greenbush station is a Massachusetts Bay Transportation Authority commuter rail stop in Scituate, Massachusetts, serving as the terminus of the Greenbush Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Greenbush station
Target entity description: Greenbush station is a Massachusetts Bay Transportation Authority commuter rail stop in Scituate, Massachusetts, serving as the terminus of the Greenbush Line.
  • A. Stockyards Station
    Stockyards Station is a historic shopping, dining, and entertainment complex in Fort Worth’s Stockyards area that preserves and showcases the city’s Western and cattle-driving heritage.
  • B. Woodside station
    Woodside station is a major Long Island Rail Road commuter rail stop in Queens, New York City, serving as an important transfer point between multiple LIRR branches and New York City Subway lines.
  • C. Bathurst station
    Bathurst station is a Toronto Transit Commission subway station located in the city's west end, serving the Bloor–Danforth line and connecting to nearby surface transit routes.
  • D. Casula railway station
    Casula railway station is a suburban train station in Sydney, Australia, serving the local community on the city's Airport & South Line.
  • E. Campbelltown railway station
    Campbelltown railway station is a major suburban and intercity rail hub in Sydney’s south-west, serving as a key terminus and interchange for services on the Sydney Trains network.
  • 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_69b3680dd2c48190a06c5c320a06a71a completed March 13, 2026, 1:27 a.m.
NEDg Description generation batch_69b36937ac4481909e1c90912b70e886 completed March 13, 2026, 1:32 a.m.
NED2 Entity disambiguation (via description) batch_69b36997650c8190be5e9c78b5174187 completed March 13, 2026, 1:34 a.m.
Created at: March 8, 2026, 3:17 p.m.