Triple

T21453033
Position Surface form Disambiguated ID Type / Status
Subject Helena River E529265 entity
Predicate hasStructure P35 FINISHED
Object Helena River railway bridge (Midland line)
The Helena River railway bridge on the Midland line is a rail bridge in Western Australia that carries trains across the Helena River as part of the Perth–Midland railway corridor.
 E1485026 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: Helena River railway bridge (Midland line) | Statement: [Helena River, hasStructure, Helena River railway bridge (Midland line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Helena River railway bridge (Midland line)
Context triple: [Helena River, hasStructure, Helena River railway bridge (Midland line)]
  • A. Barnes Railway Bridge
    Barnes Railway Bridge is a historic cast-iron railway bridge carrying trains across the River Thames in southwest London near Barnes.
  • B. Chicheley railway bridge
    Chicheley railway bridge is a British railway bridge recognized as a notable example of early 20th-century steel bridge construction by the engineering firm Dorman Long and Co Ltd.
  • C. Alverna railway bridge
    Alverna railway bridge is a rail bridge in the Netherlands that carries train traffic across the Maas–Waal Canal near the village of Alverna.
  • D. Main South Line railway bridge
    The Main South Line railway bridge is a key rail bridge in New Zealand that carries the Main South Line across the Rangitata River, supporting one of the country’s primary rail corridors.
  • E. East Hills railway bridge
    The East Hills railway bridge is a rail bridge in Sydney, Australia, that carries the East Hills railway line across the Georges River.
  • 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: Helena River railway bridge (Midland line)
Triple: [Helena River, hasStructure, Helena River railway bridge (Midland line)]
Generated description
The Helena River railway bridge on the Midland line is a rail bridge in Western Australia that carries trains across the Helena River as part of the Perth–Midland railway corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Helena River railway bridge (Midland line)
Target entity description: The Helena River railway bridge on the Midland line is a rail bridge in Western Australia that carries trains across the Helena River as part of the Perth–Midland railway corridor.
  • A. Barnes Railway Bridge
    Barnes Railway Bridge is a historic cast-iron railway bridge carrying trains across the River Thames in southwest London near Barnes.
  • B. Chicheley railway bridge
    Chicheley railway bridge is a British railway bridge recognized as a notable example of early 20th-century steel bridge construction by the engineering firm Dorman Long and Co Ltd.
  • C. Alverna railway bridge
    Alverna railway bridge is a rail bridge in the Netherlands that carries train traffic across the Maas–Waal Canal near the village of Alverna.
  • D. Main South Line railway bridge
    The Main South Line railway bridge is a key rail bridge in New Zealand that carries the Main South Line across the Rangitata River, supporting one of the country’s primary rail corridors.
  • E. East Hills railway bridge
    The East Hills railway bridge is a rail bridge in Sydney, Australia, that carries the East Hills railway line across the Georges River.
  • 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_69e0c457579481909db68053ed99750c completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69e9e9d426d88190ae87ae9fac9c30a0 completed April 23, 2026, 9:43 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09c90cd3108190a2385924b8544a00 completed May 17, 2026, 1:56 p.m.
NEDg Description generation batch_6a09c9b5f08c8190b37c854f616944a9 completed May 17, 2026, 1:59 p.m.
NED2 Entity disambiguation (via description) batch_6a09ca47743081908cf7f9211eeedcc6 completed May 17, 2026, 2:01 p.m.
Created at: April 16, 2026, 6:07 p.m.