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.