Triple
T19559330
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Eastern Freeway |
E489400
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Heysen Tunnels |
—
|
NE NERFINISHED |
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: Heysen Tunnels | Statement: [South Eastern Freeway, hasStructure, Heysen Tunnels]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heysen Tunnels Context triple: [South Eastern Freeway, hasStructure, Heysen Tunnels]
-
A.
Mullum Mullum Tunnel
The Mullum Mullum Tunnel is a twin-road tunnel in Melbourne, Australia, carrying the EastLink tollway beneath the environmentally sensitive Mullum Mullum Creek valley.
-
B.
Murrumbidgee–Eucumbene tunnel
The Murrumbidgee–Eucumbene tunnel is a major water transfer tunnel in New South Wales that forms part of the Snowy Mountains Scheme, conveying river flows between the Murrumbidgee and Lake Eucumbene for hydroelectric power generation and irrigation.
-
C.
Jack Lynch Tunnel
The Jack Lynch Tunnel is a major underwater road tunnel in Cork, Ireland, carrying vehicular traffic beneath the River Lee estuary as part of the city’s ring road network.
-
D.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
E.
Sydney Harbour Tunnel
The Sydney Harbour Tunnel is an underwater road tunnel in Sydney, Australia, that carries vehicular traffic beneath Sydney Harbour between the central business district and the North Shore.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heysen Tunnels Target entity description: The Heysen Tunnels are a pair of road tunnels in the Adelaide Hills of South Australia, carrying freeway traffic through mountainous terrain as a key part of the region’s major transport route.
-
A.
Mullum Mullum Tunnel
The Mullum Mullum Tunnel is a twin-road tunnel in Melbourne, Australia, carrying the EastLink tollway beneath the environmentally sensitive Mullum Mullum Creek valley.
-
B.
Murrumbidgee–Eucumbene tunnel
The Murrumbidgee–Eucumbene tunnel is a major water transfer tunnel in New South Wales that forms part of the Snowy Mountains Scheme, conveying river flows between the Murrumbidgee and Lake Eucumbene for hydroelectric power generation and irrigation.
-
C.
Jack Lynch Tunnel
The Jack Lynch Tunnel is a major underwater road tunnel in Cork, Ireland, carrying vehicular traffic beneath the River Lee estuary as part of the city’s ring road network.
-
D.
Greywell Tunnel
Greywell Tunnel is a disused, bat-inhabited canal tunnel in Hampshire, England, notable as the former western terminus of the Basingstoke Canal and a protected wildlife site.
-
E.
Sydney Harbour Tunnel
The Sydney Harbour Tunnel is an underwater road tunnel in Sydney, Australia, that carries vehicular traffic beneath Sydney Harbour between the central business district and the North Shore.
- F. None of above. chosen
Provenance (2 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_69d8e8dc5d8c8190a6d7bd8864f43ca0 |
completed | April 10, 2026, 12:11 p.m. |
| NER | Named-entity recognition | batch_69e63f723d5081909553a4363b579a6b |
completed | April 20, 2026, 3 p.m. |
Created at: April 10, 2026, 1:42 p.m.