Triple
T17401175
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EastLink |
E423089
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Melba Tunnel |
—
|
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: Melba Tunnel | Statement: [EastLink, hasStructure, Melba Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Melba Tunnel Context triple: [EastLink, hasStructure, Melba Tunnel]
-
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.
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.
-
C.
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.
-
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.
Colinton Tunnel
Colinton Tunnel is a historic former railway tunnel in the Colinton area of Edinburgh, Scotland, now renowned for its large-scale mural artworks and community-led regeneration as a public art space.
- 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: Melba Tunnel Target entity description: Melba Tunnel is a road tunnel in Melbourne, Australia, forming part of the EastLink tollway and carrying vehicular traffic beneath the Mullum Mullum Valley.
-
A.
Mullum Mullum Tunnel
chosen
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.
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.
-
C.
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.
-
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.
Colinton Tunnel
Colinton Tunnel is a historic former railway tunnel in the Colinton area of Edinburgh, Scotland, now renowned for its large-scale mural artworks and community-led regeneration as a public art space.
- F. None of above.
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_69d889d710288190bf0f4762801fefae |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43ac126788190b51323bde3c9ba69 |
completed | April 19, 2026, 2:15 a.m. |
Created at: April 10, 2026, 5:45 a.m.