Triple

T16476288
Position Surface form Disambiguated ID Type / Status
Subject PTH E400194 entity
Predicate railHubFor P523 FINISHED
Object Joondalup line
The Joondalup line is a major suburban passenger railway line in Perth, Western Australia, running north from the city centre to serve rapidly growing northern suburbs.
 E1215917 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: Joondalup line | Statement: [PTH, railHubFor, Joondalup line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Joondalup line
Context triple: [PTH, railHubFor, Joondalup line]
  • A. Mernda line
    The Mernda line is a suburban railway line in Melbourne, Australia, running from the central business district to the northeastern suburb of Mernda as part of the city’s metropolitan train network.
  • B. Hurstbridge line
    The Hurstbridge line is a suburban railway line in Melbourne, Australia, running from the central business district out through the northeastern suburbs to the terminus at Hurstbridge.
  • C. Gold Coast line
    The Gold Coast line is a major suburban and interurban railway corridor in South East Queensland, Australia, connecting Brisbane with the Gold Coast.
  • D. Adelaide Metro Seaford line
    The Adelaide Metro Seaford line is a major suburban railway corridor in Adelaide, South Australia, providing frequent electric train services between the city centre and the southern coastal suburb of Seaford.
  • E. Adelaide Metro Gawler line
    The Adelaide Metro Gawler line is a major suburban railway corridor in Adelaide, South Australia, running between the city centre and the northern township of Gawler as part of the metropolitan passenger rail 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: Joondalup line
Triple: [PTH, railHubFor, Joondalup line]
Generated description
The Joondalup line is a major suburban passenger railway line in Perth, Western Australia, running north from the city centre to serve rapidly growing northern suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Joondalup line
Target entity description: The Joondalup line is a major suburban passenger railway line in Perth, Western Australia, running north from the city centre to serve rapidly growing northern suburbs.
  • A. Mernda line
    The Mernda line is a suburban railway line in Melbourne, Australia, running from the central business district to the northeastern suburb of Mernda as part of the city’s metropolitan train network.
  • B. Hurstbridge line
    The Hurstbridge line is a suburban railway line in Melbourne, Australia, running from the central business district out through the northeastern suburbs to the terminus at Hurstbridge.
  • C. Gold Coast line
    The Gold Coast line is a major suburban and interurban railway corridor in South East Queensland, Australia, connecting Brisbane with the Gold Coast.
  • D. Adelaide Metro Seaford line
    The Adelaide Metro Seaford line is a major suburban railway corridor in Adelaide, South Australia, providing frequent electric train services between the city centre and the southern coastal suburb of Seaford.
  • E. Adelaide Metro Gawler line
    The Adelaide Metro Gawler line is a major suburban railway corridor in Adelaide, South Australia, running between the city centre and the northern township of Gawler as part of the metropolitan passenger rail 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_69d883813098819084f5409539723b59 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32dd4f53081908f78b88435c8c719 completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f5f238881909b5f2fb41da3f932 completed May 10, 2026, 9:26 a.m.
NEDg Description generation batch_6a00509164cc8190a381ba0a1de95ed1 completed May 10, 2026, 9:32 a.m.
NED2 Entity disambiguation (via description) batch_6a005447f1948190a939c0051891e444 completed May 10, 2026, 9:47 a.m.
Created at: April 10, 2026, 5:13 a.m.