Triple

T2281491
Position Surface form Disambiguated ID Type / Status
Subject North Coast railway line E51288 entity
Predicate southernConnection P26200 FINISHED
Object Main Northern line at Sydney E51288 NE FINISHED

How this triple was built (2 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: Main Northern line at Sydney | Statement: [North Coast railway line, southernConnection, Main Northern line at Sydney]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Main Northern line at Sydney
Context triple: [North Coast railway line, southernConnection, Main Northern line at Sydney]
  • A. Main North Line
    The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
  • B. 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.
  • C. North Coast railway line chosen
    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.
  • 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. Sunbury line
    The Sunbury line is a suburban railway line in Melbourne, Australia, running between Sunbury in the northwest and the central business district.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a88b08e4308190bdac9aebcca1c91a completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc21c405881908c4df7bee36136fe completed March 7, 2026, 6:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71e7b44c8190ab647646352b71b7 completed March 9, 2026, 7:08 a.m.
Created at: March 4, 2026, 7:48 p.m.