Triple

T14685403

Position	Surface form	Disambiguated ID	Type / Status
Subject	CountryLink	`E344895`	entity
Predicate	operatedRoute	`P18593`	FINISHED
Object	Sydney–Grafton rail corridor The Sydney–Grafton rail corridor is a regional passenger rail line in New South Wales, Australia, linking Sydney with the northern rivers city of Grafton along the North Coast line.	`E1131317`	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: Sydney–Grafton rail corridor | Statement: [CountryLink, operatedRoute, Sydney–Grafton rail corridor]

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

Target entity: Sydney–Grafton rail corridor
Context triple: [CountryLink, operatedRoute, Sydney–Grafton rail corridor]

A. Sydney–Armidale rail corridor
The Sydney–Armidale rail corridor is a regional passenger railway line in New South Wales, Australia, linking Sydney with the inland city of Armidale through the Northern Tablelands.
B. Sydney–Moree rail corridor
The Sydney–Moree rail corridor is a regional railway line in New South Wales, Australia, linking Sydney with the inland town of Moree and serving both passenger and freight traffic.
C. Sydney–Dubbo rail corridor
The Sydney–Dubbo rail corridor is a regional passenger rail line in New South Wales, Australia, linking the state capital Sydney with the inland city of Dubbo across the Central West.
D. Sydney–Newcastle rail corridor
The Sydney–Newcastle rail corridor is a major intercity railway line in New South Wales, Australia, linking Sydney with the coastal city of Newcastle and serving numerous commuter and regional services along the route.
E. Sydney–Griffith rail corridor
The Sydney–Griffith rail corridor is a regional passenger railway line in New South Wales, Australia, linking Sydney with the Riverina town of Griffith.
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: Sydney–Grafton rail corridor
Triple: [CountryLink, operatedRoute, Sydney–Grafton rail corridor]

Generated description

The Sydney–Grafton rail corridor is a regional passenger rail line in New South Wales, Australia, linking Sydney with the northern rivers city of Grafton along the North Coast line.

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

Target entity: Sydney–Grafton rail corridor
Target entity description: The Sydney–Grafton rail corridor is a regional passenger rail line in New South Wales, Australia, linking Sydney with the northern rivers city of Grafton along the North Coast line.

A. Sydney–Armidale rail corridor
The Sydney–Armidale rail corridor is a regional passenger railway line in New South Wales, Australia, linking Sydney with the inland city of Armidale through the Northern Tablelands.
B. Sydney–Moree rail corridor
The Sydney–Moree rail corridor is a regional railway line in New South Wales, Australia, linking Sydney with the inland town of Moree and serving both passenger and freight traffic.
C. Sydney–Dubbo rail corridor
The Sydney–Dubbo rail corridor is a regional passenger rail line in New South Wales, Australia, linking the state capital Sydney with the inland city of Dubbo across the Central West.
D. Sydney–Newcastle rail corridor
The Sydney–Newcastle rail corridor is a major intercity railway line in New South Wales, Australia, linking Sydney with the coastal city of Newcastle and serving numerous commuter and regional services along the route.
E. Sydney–Griffith rail corridor
The Sydney–Griffith rail corridor is a regional passenger railway line in New South Wales, Australia, linking Sydney with the Riverina town of Griffith.
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_69d822e34b348190ada4d1cdb6c7c226`	completed	April 9, 2026, 10:06 p.m.
NER	Named-entity recognition	`batch_69deb56bdb8081909ff86440ba20fb1f`	completed	April 14, 2026, 9:45 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69fe968124d481909dd89dd9282788b7`	completed	May 9, 2026, 2:05 a.m.
NEDg	Description generation	`batch_69fe97c0a3688190a9f55376a1d7ad87`	completed	May 9, 2026, 2:11 a.m.
NED2	Entity disambiguation (via description)	`batch_69fe985cec608190888733cdc5bd71ea`	completed	May 9, 2026, 2:13 a.m.

Created at: April 10, 2026, 1:28 a.m.