Triple

T9699164
Position Surface form Disambiguated ID Type / Status
Subject Main South Line E234729 entity
Predicate hasSection P35 FINISHED
Object Timaru–Oamaru section
The Timaru–Oamaru section is a stretch of railway in New Zealand’s South Island that links the coastal towns of Timaru and Oamaru as part of the Main South Line.
E816369 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: Timaru–Oamaru section | Statement: [Main South Line, hasSection, Timaru–Oamaru section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Timaru–Oamaru section
Context triple: [Main South Line, hasSection, Timaru–Oamaru section]
  • A. Christchurch–Timaru section
    The Christchurch–Timaru section is a key stretch of railway in New Zealand’s South Island that links the city of Christchurch with the town of Timaru along the Main South Line.
  • B. Invercargill–Bluff line
    The Invercargill–Bluff line is a railway route in New Zealand’s Southland region that connects the city of Invercargill with the port town of Bluff, historically serving both freight and passenger traffic.
  • C. Onehunga Line
    The Onehunga Line is a suburban commuter rail service in Auckland, New Zealand, connecting the suburb of Onehunga with central city stations as part of the Auckland rail network.
  • D. Taieri Gorge Railway (via Dunedin)
    Taieri Gorge Railway (via Dunedin) is a scenic heritage rail route in New Zealand that runs from Dunedin through the dramatic Taieri Gorge, popular for tourist excursions.
  • E. North Island Main Trunk
    The North Island Main Trunk is New Zealand’s principal railway line linking the country’s major North Island cities, including Auckland and Wellington.
  • 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: Timaru–Oamaru section
Triple: [Main South Line, hasSection, Timaru–Oamaru section]
Generated description
The Timaru–Oamaru section is a stretch of railway in New Zealand’s South Island that links the coastal towns of Timaru and Oamaru as part of the Main South Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Timaru–Oamaru section
Target entity description: The Timaru–Oamaru section is a stretch of railway in New Zealand’s South Island that links the coastal towns of Timaru and Oamaru as part of the Main South Line.
  • A. Christchurch–Timaru section
    The Christchurch–Timaru section is a key stretch of railway in New Zealand’s South Island that links the city of Christchurch with the town of Timaru along the Main South Line.
  • B. Invercargill–Bluff line
    The Invercargill–Bluff line is a railway route in New Zealand’s Southland region that connects the city of Invercargill with the port town of Bluff, historically serving both freight and passenger traffic.
  • C. Onehunga Line
    The Onehunga Line is a suburban commuter rail service in Auckland, New Zealand, connecting the suburb of Onehunga with central city stations as part of the Auckland rail network.
  • D. Taieri Gorge Railway (via Dunedin)
    Taieri Gorge Railway (via Dunedin) is a scenic heritage rail route in New Zealand that runs from Dunedin through the dramatic Taieri Gorge, popular for tourist excursions.
  • E. North Island Main Trunk
    The North Island Main Trunk is New Zealand’s principal railway line linking the country’s major North Island cities, including Auckland and Wellington.
  • 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_69ca84cb580c8190a7e5f4b3bcdaf2a4 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9d3d425c8190b652d84186b5ce9f completed April 1, 2026, 10:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69d19f7cecd0819081929611b7881102 completed April 4, 2026, 11:32 p.m.
NEDg Description generation batch_69d1a0b4dbf8819097e38c253327fc10 completed April 4, 2026, 11:37 p.m.
NED2 Entity disambiguation (via description) batch_69d1a172ad848190a76f95c4937689d7 completed April 4, 2026, 11:40 p.m.
Created at: March 30, 2026, 8:18 p.m.