Triple
T533415
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Coast |
E12273
|
entity |
| Predicate | majorRailLine |
P848
|
FINISHED |
| Object | Main Northern railway line |
E11958
|
NE FINISHED |
How this triple was built (3 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 | Statement: [Central Coast, majorRailLine, Main Northern railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Main Northern railway line Context triple: [Central Coast, majorRailLine, Main Northern railway line]
-
A.
Main North railway line
chosen
The Main North railway line is a major rail corridor in New South Wales, Australia, historically linking Sydney with the Hunter Region and northern parts of the state.
-
B.
Main Southern railway line
The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
-
C.
East Coast Main Line
The East Coast Main Line is a major high-speed railway route in the United Kingdom that runs between London and Edinburgh, serving numerous key cities and regions along the east side of the country.
-
D.
Borders Railway
Borders Railway is a Scottish rail line that reconnects Edinburgh with the Scottish Borders and Midlothian, serving as one of the longest new domestic railway lines built in the UK in recent decades.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: majorRailLine Context triple: [Central Coast, majorRailLine, Main Northern railway line]
-
A.
isBusiestPassengerRailLineIn
Indicates that a passenger rail line is the one with the highest level of use or traffic within a specified geographic area or system.
-
B.
railwayLine
chosen
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
C.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
-
D.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
-
E.
railNetworkRole
Indicates the specific function or responsibility an entity has within a rail network system.
- F. None of above.
Provenance (4 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_69a4933208e88190891f5debab1b776d |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a4985e51908190a34aa82ea9dbee1e |
completed | March 1, 2026, 7:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b8b002688190b7cf2e2f4b4433bf |
completed | March 1, 2026, 10:07 p.m. |
| PD | Predicate disambiguation | batch_69a494b3e49081909810fa417b31306f |
completed | March 1, 2026, 7:34 p.m. |
Created at: March 1, 2026, 7:32 p.m.