Triple
T16848959
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Katherine, Northern Territory |
E409619
|
entity |
| Predicate | hasRailway |
P848
|
FINISHED |
| Object | Adelaide–Darwin railway |
E288826
|
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: Adelaide–Darwin railway | Statement: [Katherine, Northern Territory, hasRailway, Adelaide–Darwin railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Adelaide–Darwin railway Context triple: [Katherine, Northern Territory, hasRailway, Adelaide–Darwin railway]
-
A.
Adelaide–Darwin railway
chosen
The Adelaide–Darwin railway is a north–south transcontinental rail line in Australia that links the southern city of Adelaide with the northern port of Darwin, traversing the country’s central outback.
-
B.
Adelaide–Melbourne railway
The Adelaide–Melbourne railway is a major interstate rail corridor in Australia that links the capitals of South Australia and Victoria, carrying both passenger and freight services across the region.
-
C.
Central Australia Railway
The Central Australia Railway was a former narrow-gauge rail line that ran north from Port Augusta into the Australian interior, serving as an early overland route through the outback before later standard-gauge lines superseded it.
-
D.
Trans-Australian Railway corridor
The Trans-Australian Railway corridor is a major east–west rail route spanning the Australian continent, linking Western Australia with the eastern states across the vast Nullarbor Plain.
-
E.
Sydney–Broken Hill rail corridor
The Sydney–Broken Hill rail corridor is a long-distance passenger and freight railway line crossing New South Wales from the coastal capital Sydney to the inland mining city of Broken Hill.
- 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_69d883952b048190887740a980b712ed |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b377b5d881909f0878dd9957f3bc |
completed | April 18, 2026, 4:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00bb1d555c8190883c82e562b7bfe9 |
completed | May 10, 2026, 5:06 p.m. |
Created at: April 10, 2026, 5:24 a.m.