Triple

T3914068
Position Surface form Disambiguated ID Type / Status
Subject Perth railway station E88792 entity
Predicate railwayLine P848 FINISHED
Object Perth–Stirling line
The Perth–Stirling line was a suburban railway route in Perth, Western Australia, that connected the city centre with the northern suburb of Stirling before its services were integrated into the modern Joondalup line.
E400197 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: Perth–Stirling line | Statement: [Perth railway station, railwayLine, Perth–Stirling line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Perth–Stirling line
Context triple: [Perth railway station, railwayLine, Perth–Stirling line]
  • A. Greenbush Line
    The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
  • B. Cootamundra–Lake Cargelligo line
    The Cootamundra–Lake Cargelligo line is a regional railway in New South Wales, Australia, serving agricultural areas and connecting rural towns to the broader rail network.
  • C. Stockinbingal–Parkes railway line
    The Stockinbingal–Parkes railway line is a regional rail route in New South Wales, Australia, forming part of the freight and transport network that links inland agricultural areas with major rail corridors.
  • D. Pakenham line
    The Pakenham line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Pakenham as part of the city’s metropolitan train network.
  • E. Illawarra railway line
    The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
  • 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: Perth–Stirling line
Triple: [Perth railway station, railwayLine, Perth–Stirling line]
Generated description
The Perth–Stirling line was a suburban railway route in Perth, Western Australia, that connected the city centre with the northern suburb of Stirling before its services were integrated into the modern Joondalup line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Perth–Stirling line
Target entity description: The Perth–Stirling line was a suburban railway route in Perth, Western Australia, that connected the city centre with the northern suburb of Stirling before its services were integrated into the modern Joondalup line.
  • A. Greenbush Line
    The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
  • B. Cootamundra–Lake Cargelligo line
    The Cootamundra–Lake Cargelligo line is a regional railway in New South Wales, Australia, serving agricultural areas and connecting rural towns to the broader rail network.
  • C. Stockinbingal–Parkes railway line
    The Stockinbingal–Parkes railway line is a regional rail route in New South Wales, Australia, forming part of the freight and transport network that links inland agricultural areas with major rail corridors.
  • D. Pakenham line
    The Pakenham line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Pakenham as part of the city’s metropolitan train network.
  • E. Illawarra railway line
    The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
  • 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_69aed955229881909e85e73ffab1d343 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeed38e2808190acbd0a7a3b677798 completed March 9, 2026, 3:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5285c52808190b9cbb2e3e03a18cb completed March 14, 2026, 9:20 a.m.
NEDg Description generation batch_69b52c29e69c8190973940b8456a6b35 completed March 14, 2026, 9:36 a.m.
NED2 Entity disambiguation (via description) batch_69b52cbfb5dc8190a312ac87551803c6 completed March 14, 2026, 9:39 a.m.
Created at: March 9, 2026, 3:22 p.m.