Triple

T1371157
Position Surface form Disambiguated ID Type / Status
Subject Flinders Street Station E30114 entity
Predicate servedBy P82 FINISHED
Object 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.
 E160816 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: Pakenham line | Statement: [Flinders Street Station, servedBy, Pakenham line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pakenham line
Context triple: [Flinders Street Station, servedBy, Pakenham line]
  • A. 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.
  • B. Deniliquin railway line
    The Deniliquin railway line is a regional rail route in New South Wales, Australia, that connects the town of Deniliquin to the broader rail network, primarily serving freight and local transport needs.
  • C. 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.
  • D. North Coast railway line
    The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
  • E. North Coast railway line
    The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
  • 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: Pakenham line
Triple: [Flinders Street Station, servedBy, Pakenham line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pakenham line
Target entity description: 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.
  • A. 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.
  • B. Deniliquin railway line
    The Deniliquin railway line is a regional rail route in New South Wales, Australia, that connects the town of Deniliquin to the broader rail network, primarily serving freight and local transport needs.
  • C. 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.
  • D. North Coast railway line
    The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
  • E. North Coast railway line
    The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
  • 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_69a498f912008190a376a98b207b2071 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c2f314c081909c0ab80397d96abb completed March 1, 2026, 10:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69acde1a576c81909379c2c0e350cd12 completed March 8, 2026, 2:25 a.m.
NEDg Description generation batch_69acdeef1b3c81908210246be0a8b37d completed March 8, 2026, 2:29 a.m.
NED2 Entity disambiguation (via description) batch_69ace0042cd08190a0e1499d4c8e0769 completed March 8, 2026, 2:33 a.m.
Created at: March 1, 2026, 7:57 p.m.