Triple

T11846816
Position Surface form Disambiguated ID Type / Status
Subject Mandurah railway line E281798 entity
Predicate partOf P40 FINISHED
Object Perth suburban rail network
The Perth suburban rail network is the metropolitan passenger railway system serving Perth, Western Australia, comprising multiple electrified lines that connect the city center with its surrounding suburbs.
E949359 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 suburban rail network | Statement: [Mandurah railway line, partOf, Perth suburban rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Perth suburban rail network
Context triple: [Mandurah railway line, partOf, Perth suburban rail network]
  • A. Melbourne suburban rail network
    The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
  • B. 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.
  • C. South Australian rail network
    The South Australian rail network is the system of railway lines and services that connect cities, regional towns, and freight hubs across the state of South Australia and link it to interstate rail systems.
  • D. Victorian regional rail network
    The Victorian regional rail network is a system of passenger and freight railway lines that connect Melbourne with major regional cities and rural communities across the state of Victoria, Australia.
  • E. Griffith–Sydney rail service
    The Griffith–Sydney rail service is a regional passenger train route in New South Wales that connects the inland city of Griffith with the state capital, Sydney.
  • 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 suburban rail network
Triple: [Mandurah railway line, partOf, Perth suburban rail network]
Generated description
The Perth suburban rail network is the metropolitan passenger railway system serving Perth, Western Australia, comprising multiple electrified lines that connect the city center with its surrounding suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Perth suburban rail network
Target entity description: The Perth suburban rail network is the metropolitan passenger railway system serving Perth, Western Australia, comprising multiple electrified lines that connect the city center with its surrounding suburbs.
  • A. Melbourne suburban rail network
    The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
  • B. 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.
  • C. South Australian rail network
    The South Australian rail network is the system of railway lines and services that connect cities, regional towns, and freight hubs across the state of South Australia and link it to interstate rail systems.
  • D. Victorian regional rail network
    The Victorian regional rail network is a system of passenger and freight railway lines that connect Melbourne with major regional cities and rural communities across the state of Victoria, Australia.
  • E. Griffith–Sydney rail service
    The Griffith–Sydney rail service is a regional passenger train route in New South Wales that connects the inland city of Griffith with the state capital, Sydney.
  • 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_69d6ab287ba48190a5178779fd19b9b7 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a65b5ff08190bb58361f6a6acdca completed April 10, 2026, 7:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69f167a876048190aeeeccebae9e46ad completed April 29, 2026, 2:06 a.m.
NEDg Description generation batch_69f17005c318819090e54bc64d135477 completed April 29, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_69f17814de1881908973af026af5d1d1 completed April 29, 2026, 3:16 a.m.
Created at: April 8, 2026, 9:43 p.m.