Triple

T3443974
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Kingston Line E72630 entity
Predicate terminus P388 FINISHED
Object Kingston station
Kingston station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Kingston, Massachusetts, serving as a key endpoint for commuter service between the South Shore and Boston.
 E363570 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: Kingston station | Statement: [MBTA Commuter Rail Kingston Line, terminus, Kingston station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kingston station
Context triple: [MBTA Commuter Rail Kingston Line, terminus, Kingston station]
  • A. Kingston railway station
    Kingston railway station is a suburban National Rail station in southwest London serving the town of Kingston upon Thames with regular services into central London and surrounding areas.
  • B. Harrison station
    Harrison station is a commuter rail stop in Harrison, New Jersey, serving passengers on the PATH rapid transit system between Newark and New York City.
  • C. Stratford station
    Stratford station is a major rail, Underground, and DLR hub in East London serving as a key interchange for local, regional, and national services.
  • D. Windsor station
    Windsor station is a passenger rail station in Windsor, Connecticut, serving CTrail’s Hartford Line and other regional train services.
  • E. Kingston bus station
    Kingston bus station is a major public transport hub in Kingston upon Thames, London, serving numerous local and regional bus routes.
  • 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: Kingston station
Triple: [MBTA Commuter Rail Kingston Line, terminus, Kingston station]
Generated description
Kingston station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Kingston, Massachusetts, serving as a key endpoint for commuter service between the South Shore and Boston.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kingston station
Target entity description: Kingston station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Kingston, Massachusetts, serving as a key endpoint for commuter service between the South Shore and Boston.
  • A. Kingston railway station
    Kingston railway station is a suburban National Rail station in southwest London serving the town of Kingston upon Thames with regular services into central London and surrounding areas.
  • B. Harrison station
    Harrison station is a commuter rail stop in Harrison, New Jersey, serving passengers on the PATH rapid transit system between Newark and New York City.
  • C. Stratford station
    Stratford station is a major rail, Underground, and DLR hub in East London serving as a key interchange for local, regional, and national services.
  • D. Windsor station
    Windsor station is a passenger rail station in Windsor, Connecticut, serving CTrail’s Hartford Line and other regional train services.
  • E. Kingston bus station
    Kingston bus station is a major public transport hub in Kingston upon Thames, London, serving numerous local and regional bus routes.
  • 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_69ad85b05c848190b7a28ceec2bd7b74 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adba2a605c8190a0eafdf6f25b1e38 completed March 8, 2026, 6:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69b373a531348190951041705eebba3d completed March 13, 2026, 2:17 a.m.
NEDg Description generation batch_69b37778da388190a5c2db85ae7f458e completed March 13, 2026, 2:33 a.m.
NED2 Entity disambiguation (via description) batch_69b37802bbb48190bd37bd276cfcd6db completed March 13, 2026, 2:35 a.m.
Created at: March 8, 2026, 3:16 p.m.