Triple

T4491417

Position	Surface form	Disambiguated ID	Type / Status
Subject	Singleton railway station	`E100580`	entity
Predicate	category	`P87`	FINISHED
Object	Main Northern railway line, New South Wales The Main Northern railway line in New South Wales is a major rail corridor that runs from Sydney through the Central Coast and Hunter regions to the New England and northern parts of the state, serving both passenger and freight traffic.	`E446821`	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: Main Northern railway line, New South Wales | Statement: [Singleton railway station, category, Main Northern railway line, New South Wales]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Main Northern railway line, New South Wales
Context triple: [Singleton railway station, category, Main Northern railway line, New South Wales]

A. New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
B. 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.
C. 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.
D. Junee–Narrandera railway line
The Junee–Narrandera railway line is a regional rail route in New South Wales, Australia, that connects the town of Junee with Narrandera and serves several intermediate rural communities.
E. 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.
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: Main Northern railway line, New South Wales
Triple: [Singleton railway station, category, Main Northern railway line, New South Wales]

Generated description

The Main Northern railway line in New South Wales is a major rail corridor that runs from Sydney through the Central Coast and Hunter regions to the New England and northern parts of the state, serving both passenger and freight traffic.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Main Northern railway line, New South Wales
Target entity description: The Main Northern railway line in New South Wales is a major rail corridor that runs from Sydney through the Central Coast and Hunter regions to the New England and northern parts of the state, serving both passenger and freight traffic.

A. New South Wales rail network
The New South Wales rail network is an extensive system of passenger and freight railway lines that connects major cities, regional centres, and rural areas across the Australian state of New South Wales.
B. 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.
C. 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.
D. Junee–Narrandera railway line
The Junee–Narrandera railway line is a regional rail route in New South Wales, Australia, that connects the town of Junee with Narrandera and serves several intermediate rural communities.
E. 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.
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_69bd43cdf15081909a4fa2585ff63b3e`	completed	March 20, 2026, 12:55 p.m.
NER	Named-entity recognition	`batch_69bd556e69f88190b9c16afc2afcdbef`	completed	March 20, 2026, 2:10 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bd67b40fd4819098636b6f29304312`	completed	March 20, 2026, 3:28 p.m.
NEDg	Description generation	`batch_69bd688e84fc8190a8900be40e3cf694`	completed	March 20, 2026, 3:32 p.m.
NED2	Entity disambiguation (via description)	`batch_69bd69bcf10c8190bd6ceb6bc604b3f5`	completed	March 20, 2026, 3:37 p.m.

Created at: March 20, 2026, 12:59 p.m.