Triple
T6568048
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sydney Harbour Tunnel |
E153962
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Sydney Harbour Tunnel Company
Sydney Harbour Tunnel Company is the private consortium responsible for managing and operating Sydney’s under-harbour road tunnel linking the city’s north and south.
|
E603115
|
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 Harbour Tunnel Company | Statement: [Sydney Harbour Tunnel, operator, Sydney Harbour Tunnel Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sydney Harbour Tunnel Company Context triple: [Sydney Harbour Tunnel, operator, Sydney Harbour Tunnel Company]
-
A.
Sydney Opera House Trust
The Sydney Opera House Trust is the statutory authority responsible for managing, maintaining, and promoting the Sydney Opera House and its venues.
-
B.
Gladstone Ports Corporation
Gladstone Ports Corporation is a Queensland government-owned port authority that manages and develops major trading ports in Central Queensland, including the Port of Gladstone and surrounding regional facilities.
-
C.
Port Authority of New South Wales
The Port Authority of New South Wales is a state-owned corporation responsible for managing and regulating commercial ports and maritime operations across New South Wales, Australia.
-
D.
NSW Ports
NSW Ports is an Australian port infrastructure company that owns and operates key trade gateways including Port Botany and Port Kembla in New South Wales.
-
E.
Transdev Sydney Ferries
Transdev Sydney Ferries is a private operator contracted to run Sydney’s commuter and tourist ferry services on behalf of the New South Wales government.
- 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 Harbour Tunnel Company Triple: [Sydney Harbour Tunnel, operator, Sydney Harbour Tunnel Company]
Generated description
Sydney Harbour Tunnel Company is the private consortium responsible for managing and operating Sydney’s under-harbour road tunnel linking the city’s north and south.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sydney Harbour Tunnel Company Target entity description: Sydney Harbour Tunnel Company is the private consortium responsible for managing and operating Sydney’s under-harbour road tunnel linking the city’s north and south.
-
A.
Sydney Opera House Trust
The Sydney Opera House Trust is the statutory authority responsible for managing, maintaining, and promoting the Sydney Opera House and its venues.
-
B.
Gladstone Ports Corporation
Gladstone Ports Corporation is a Queensland government-owned port authority that manages and develops major trading ports in Central Queensland, including the Port of Gladstone and surrounding regional facilities.
-
C.
Port Authority of New South Wales
The Port Authority of New South Wales is a state-owned corporation responsible for managing and regulating commercial ports and maritime operations across New South Wales, Australia.
-
D.
NSW Ports
NSW Ports is an Australian port infrastructure company that owns and operates key trade gateways including Port Botany and Port Kembla in New South Wales.
-
E.
Transdev Sydney Ferries
Transdev Sydney Ferries is a private operator contracted to run Sydney’s commuter and tourist ferry services on behalf of the New South Wales government.
- 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_69c6880cb35881909b763eb0125236b9 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6ae54afd4819091ee65aca1de60a9 |
completed | March 27, 2026, 4:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6d564cb908190bb8885e6c8d8abac |
completed | March 27, 2026, 7:07 p.m. |
| NEDg | Description generation | batch_69c6d676e43081909bf2a9cceff0b9b3 |
completed | March 27, 2026, 7:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6d843bad081909ebb887f32ea4195 |
completed | March 27, 2026, 7:19 p.m. |
Created at: March 27, 2026, 1:53 p.m.