Triple

T12237861
Position Surface form Disambiguated ID Type / Status
Subject Maribyrnong River E291646 entity
Predicate crossedBy P416 FINISHED
Object Maribyrnong River Viaduct
The Maribyrnong River Viaduct is a historic steel railway bridge in Melbourne, Australia, notable for its great height and role in carrying trains across the Maribyrnong River.
E970871 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: Maribyrnong River Viaduct | Statement: [Maribyrnong River, crossedBy, Maribyrnong River Viaduct]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Maribyrnong River Viaduct
Context triple: [Maribyrnong River, crossedBy, Maribyrnong River Viaduct]
  • A. Gladesville Bridge
    Gladesville Bridge is a major concrete arch road bridge in Sydney, Australia, notable for carrying traffic across the Parramatta River and once being the longest concrete arch span in the world.
  • B. Parramatta River railway bridge
    The Parramatta River railway bridge is a rail transport bridge in Sydney, Australia, carrying train lines across the Parramatta River as part of the city's suburban rail network.
  • C. Pyrmont Bridge
    Pyrmont Bridge is a historic swing bridge in Sydney, Australia, known for carrying pedestrians across Darling Harbour and being one of the world’s oldest surviving electrically operated swing bridges.
  • D. Forster–Tuncurry Bridge
    The Forster–Tuncurry Bridge is a road bridge in New South Wales, Australia, that spans Wallis Lake to connect the twin coastal towns of Forster and Tuncurry.
  • E. Upper Harbour Bridge
    The Upper Harbour Bridge is a motorway bridge in Auckland, New Zealand, carrying State Highway 18 across the upper reaches of the Waitematā Harbour.
  • 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: Maribyrnong River Viaduct
Triple: [Maribyrnong River, crossedBy, Maribyrnong River Viaduct]
Generated description
The Maribyrnong River Viaduct is a historic steel railway bridge in Melbourne, Australia, notable for its great height and role in carrying trains across the Maribyrnong River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Maribyrnong River Viaduct
Target entity description: The Maribyrnong River Viaduct is a historic steel railway bridge in Melbourne, Australia, notable for its great height and role in carrying trains across the Maribyrnong River.
  • A. Gladesville Bridge
    Gladesville Bridge is a major concrete arch road bridge in Sydney, Australia, notable for carrying traffic across the Parramatta River and once being the longest concrete arch span in the world.
  • B. Parramatta River railway bridge
    The Parramatta River railway bridge is a rail transport bridge in Sydney, Australia, carrying train lines across the Parramatta River as part of the city's suburban rail network.
  • C. Pyrmont Bridge
    Pyrmont Bridge is a historic swing bridge in Sydney, Australia, known for carrying pedestrians across Darling Harbour and being one of the world’s oldest surviving electrically operated swing bridges.
  • D. Forster–Tuncurry Bridge
    The Forster–Tuncurry Bridge is a road bridge in New South Wales, Australia, that spans Wallis Lake to connect the twin coastal towns of Forster and Tuncurry.
  • E. Upper Harbour Bridge
    The Upper Harbour Bridge is a motorway bridge in Auckland, New Zealand, carrying State Highway 18 across the upper reaches of the Waitematā Harbour.
  • 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_69d6ab668acc8190963ba424049d6aee completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d91cb45340819093365f8efdf85f75 completed April 10, 2026, 3:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69f60ab19a4c8190b4692d7ab0d02a12 completed May 2, 2026, 2:31 p.m.
NEDg Description generation batch_69f60bdd8d508190813178ff4c77afcf completed May 2, 2026, 2:36 p.m.
NED2 Entity disambiguation (via description) batch_69f60c67c680819087630d190d0a008f completed May 2, 2026, 2:38 p.m.
Created at: April 8, 2026, 9:51 p.m.