Triple

T1326805
Position Surface form Disambiguated ID Type / Status
Subject Sydney Harbour Bridge E28345 entity
Predicate parallelStructure P1868 FINISHED
Object 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.
E153962 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 | Statement: [Sydney Harbour Bridge, parallelStructure, Sydney Harbour Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sydney Harbour Tunnel
Context triple: [Sydney Harbour Bridge, parallelStructure, Sydney Harbour Tunnel]
  • A. Sydney Harbour Bridge
    The Sydney Harbour Bridge is an iconic steel arch bridge in Sydney, Australia, renowned for its massive span across Sydney Harbour and its status as a national symbol.
  • B. Clyde Tunnel
    The Clyde Tunnel is a road tunnel in Glasgow, Scotland, carrying vehicular traffic beneath the River Clyde to connect the city’s north and south banks.
  • C. Auckland Harbour Bridge
    The Auckland Harbour Bridge is a major steel arch bridge in Auckland, New Zealand, that spans the Waitematā Harbour and serves as a key transport link and city landmark.
  • D. Queensway Tunnel
    The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
  • E. Mersey Tunnels
    The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
  • 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
Triple: [Sydney Harbour Bridge, parallelStructure, Sydney Harbour Tunnel]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sydney Harbour Tunnel
Target entity description: 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.
  • A. Sydney Harbour Bridge
    The Sydney Harbour Bridge is an iconic steel arch bridge in Sydney, Australia, renowned for its massive span across Sydney Harbour and its status as a national symbol.
  • B. Clyde Tunnel
    The Clyde Tunnel is a road tunnel in Glasgow, Scotland, carrying vehicular traffic beneath the River Clyde to connect the city’s north and south banks.
  • C. Auckland Harbour Bridge
    The Auckland Harbour Bridge is a major steel arch bridge in Auckland, New Zealand, that spans the Waitematā Harbour and serves as a key transport link and city landmark.
  • D. Queensway Tunnel
    The Queensway Tunnel is a road tunnel in northwest England that carries vehicular traffic beneath the River Mersey between Liverpool and the Wirral Peninsula.
  • E. Mersey Tunnels
    The Mersey Tunnels are a set of road and rail tunnels linking Liverpool with the Wirral Peninsula beneath the River Mersey in northwest England.
  • 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_69a498540a2481909e807a762280d3ba completed March 1, 2026, 7:49 p.m.
NER Named-entity recognition batch_69a4c1c0a22881909eff0fc6c91a5f41 completed March 1, 2026, 10:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69acc62764d88190b7d1fca10835f560 completed March 8, 2026, 12:43 a.m.
NEDg Description generation batch_69acc6dbd80881908d640ee204ce9a12 completed March 8, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69acc8199f508190a86c18ad9085d341 completed March 8, 2026, 12:51 a.m.
Created at: March 1, 2026, 7:55 p.m.