Triple

T14747400
Position Surface form Disambiguated ID Type / Status
Subject South Australian rail network E346507 entity
Predicate electrifiedSection P14045 FINISHED
Object 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.
E1118630 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: Adelaide Metro Seaford line | Statement: [South Australian rail network, electrifiedSection, Adelaide Metro Seaford line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Adelaide Metro Seaford line
Context triple: [South Australian rail network, electrifiedSection, Adelaide Metro Seaford line]
  • A. Adelaide Metro
    Adelaide Metro is the public transport system serving the Adelaide metropolitan area, operating the city’s buses, trains, and trams.
  • B. 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.
  • C. Cranbourne line
    The Cranbourne line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Cranbourne as part of the city’s metropolitan train network.
  • D. Ballarat line
    The Ballarat line is a regional railway service in Victoria, Australia, linking Melbourne with the city of Ballarat and surrounding western towns.
  • E. Frankston line
    The Frankston line is a major suburban railway line in Melbourne, Australia, running from the central business district to the bayside suburb of Frankston.
  • 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: Adelaide Metro Seaford line
Triple: [South Australian rail network, electrifiedSection, Adelaide Metro Seaford line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Adelaide Metro Seaford line
Target entity description: 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.
  • A. Adelaide Metro
    Adelaide Metro is the public transport system serving the Adelaide metropolitan area, operating the city’s buses, trains, and trams.
  • B. 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.
  • C. Cranbourne line
    The Cranbourne line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Cranbourne as part of the city’s metropolitan train network.
  • D. Ballarat line
    The Ballarat line is a regional railway service in Victoria, Australia, linking Melbourne with the city of Ballarat and surrounding western towns.
  • E. Frankston line
    The Frankston line is a major suburban railway line in Melbourne, Australia, running from the central business district to the bayside suburb of Frankston.
  • 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_69d822e6f1c88190bc494d491a907114 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69dec7d116e88190828b163b18d80f68 completed April 14, 2026, 11:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69fe0ce843a481908f376172d4a8b70a completed May 8, 2026, 4:18 p.m.
NEDg Description generation batch_69fe13669908819092e555eaa85a5e8c completed May 8, 2026, 4:46 p.m.
NED2 Entity disambiguation (via description) batch_69fe13e4d464819093d796629ae593e8 completed May 8, 2026, 4:48 p.m.
Created at: April 10, 2026, 1:30 a.m.