Triple

T16289976
Position Surface form Disambiguated ID Type / Status
Subject North Island Main Trunk E395492 entity
Predicate electrifiedSection P14045 FINISHED
Object Palmerston North–Te Rapa section
The Palmerston North–Te Rapa section is a key central stretch of New Zealand’s North Island Main Trunk railway, carrying major freight and passenger services between the lower and upper North Island.
 E1205205 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: Palmerston North–Te Rapa section | Statement: [North Island Main Trunk, electrifiedSection, Palmerston North–Te Rapa section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Palmerston North–Te Rapa section
Context triple: [North Island Main Trunk, electrifiedSection, Palmerston North–Te Rapa section]
  • A. 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.
  • B. 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.
  • C. Palmerston North–Gisborne Line
    The Palmerston North–Gisborne Line is a major railway route in New Zealand’s North Island that historically connected the inland Manawatū region with the east coast city of Gisborne.
  • D. Wairarapa Line
    The Wairarapa Line is a major railway route in New Zealand’s North Island that connects Wellington with the Wairarapa region and several inland towns.
  • E. Dunedin–Invercargill section
    The Dunedin–Invercargill section is the southernmost stretch of New Zealand’s Main South Line railway, linking the city of Dunedin with Invercargill through the Otago and Southland regions.
  • 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: Palmerston North–Te Rapa section
Triple: [North Island Main Trunk, electrifiedSection, Palmerston North–Te Rapa section]
Generated description
The Palmerston North–Te Rapa section is a key central stretch of New Zealand’s North Island Main Trunk railway, carrying major freight and passenger services between the lower and upper North Island.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Palmerston North–Te Rapa section
Target entity description: The Palmerston North–Te Rapa section is a key central stretch of New Zealand’s North Island Main Trunk railway, carrying major freight and passenger services between the lower and upper North Island.
  • A. 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.
  • B. 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.
  • C. Palmerston North–Gisborne Line
    The Palmerston North–Gisborne Line is a major railway route in New Zealand’s North Island that historically connected the inland Manawatū region with the east coast city of Gisborne.
  • D. Wairarapa Line
    The Wairarapa Line is a major railway route in New Zealand’s North Island that connects Wellington with the Wairarapa region and several inland towns.
  • E. Dunedin–Invercargill section
    The Dunedin–Invercargill section is the southernmost stretch of New Zealand’s Main South Line railway, linking the city of Dunedin with Invercargill through the Otago and Southland regions.
  • 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_69d87f22c7248190a54c949738441e2e completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e249175e24819082e571039e278056 completed April 17, 2026, 2:52 p.m.
NED1 Entity disambiguation (via context triple) batch_6a001f94ede48190835e8a0c6f5d0f19 completed May 10, 2026, 6:03 a.m.
NEDg Description generation batch_6a002067aa708190bc2583c95ab133a4 completed May 10, 2026, 6:06 a.m.
NED2 Entity disambiguation (via description) batch_6a00214a2a908190a11388a63de1f7af completed May 10, 2026, 6:10 a.m.
Created at: April 10, 2026, 5:05 a.m.