Triple

T6863651
Position Surface form Disambiguated ID Type / Status
Subject Upfield line E158341 entity
Predicate hasDepot P2413 FINISHED
Object Upfield sidings
Upfield sidings is a railway stabling and maintenance facility located near the terminus of Melbourne’s Upfield suburban train line.
 E623231 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: Upfield sidings | Statement: [Upfield line, hasDepot, Upfield sidings]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Upfield sidings
Context triple: [Upfield line, hasDepot, Upfield sidings]
  • A. Upfield railway line
    The Upfield railway line is a suburban passenger rail corridor in Melbourne, Australia, running through the city’s northern suburbs to serve local commuters.
  • B. Northfields depot
    Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
  • C. Pattison Station
    Pattison Station is the former name of NRG Station, a subway stop on Philadelphia's Broad Street Line serving the South Philadelphia Sports Complex.
  • D. Hyde Road depot
    Hyde Road depot is a major bus operating and maintenance facility in Manchester used by Stagecoach Manchester for housing and servicing its fleet.
  • E. Lakeside branch line
    The Lakeside branch line was a short railway route in England’s Lake District that primarily served tourists traveling to the southern end of Windermere.
  • 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: Upfield sidings
Triple: [Upfield line, hasDepot, Upfield sidings]
Generated description
Upfield sidings is a railway stabling and maintenance facility located near the terminus of Melbourne’s Upfield suburban train line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Upfield sidings
Target entity description: Upfield sidings is a railway stabling and maintenance facility located near the terminus of Melbourne’s Upfield suburban train line.
  • A. Upfield railway line
    The Upfield railway line is a suburban passenger rail corridor in Melbourne, Australia, running through the city’s northern suburbs to serve local commuters.
  • B. Northfields depot
    Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
  • C. Pattison Station
    Pattison Station is the former name of NRG Station, a subway stop on Philadelphia's Broad Street Line serving the South Philadelphia Sports Complex.
  • D. Hyde Road depot
    Hyde Road depot is a major bus operating and maintenance facility in Manchester used by Stagecoach Manchester for housing and servicing its fleet.
  • E. Lakeside branch line
    The Lakeside branch line was a short railway route in England’s Lake District that primarily served tourists traveling to the southern end of Windermere.
  • 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_69c68830cdbc8190a8301c7a9d9f651a completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d8897cf48190a2f688d21f1f6c1a completed March 27, 2026, 7:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69c72ff153d48190a4b0d4e403457fe8 completed March 28, 2026, 1:33 a.m.
NEDg Description generation batch_69c730e882308190a3fbc61245941338 completed March 28, 2026, 1:37 a.m.
NED2 Entity disambiguation (via description) batch_69c7316a9cc081908c088725cb7626e8 completed March 28, 2026, 1:39 a.m.
Created at: March 27, 2026, 2:21 p.m.