Triple

T9699166
Position Surface form Disambiguated ID Type / Status
Subject Main South Line E234729 entity
Predicate hasSection P35 FINISHED
Object 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.
E819191 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: Dunedin–Invercargill section | Statement: [Main South Line, hasSection, Dunedin–Invercargill section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dunedin–Invercargill section
Context triple: [Main South Line, hasSection, Dunedin–Invercargill 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. 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.
  • C. 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.
  • D. Otago Region
    Otago Region is a large region in the south of New Zealand’s South Island, known for its dramatic landscapes, historic gold-mining heritage, and the university city of Dunedin.
  • E. Timaru District
    Timaru District is a local government area on the east coast of New Zealand’s South Island, centered on the port city of Timaru and known for its agricultural hinterland and coastal setting.
  • 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: Dunedin–Invercargill section
Triple: [Main South Line, hasSection, Dunedin–Invercargill section]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Dunedin–Invercargill section
Target entity description: 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.
  • 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. 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.
  • C. 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.
  • D. Otago Region
    Otago Region is a large region in the south of New Zealand’s South Island, known for its dramatic landscapes, historic gold-mining heritage, and the university city of Dunedin.
  • E. Timaru District
    Timaru District is a local government area on the east coast of New Zealand’s South Island, centered on the port city of Timaru and known for its agricultural hinterland and coastal setting.
  • 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_69d1bcbbe0108190a7011d52ba24ba4b completed April 5, 2026, 1:37 a.m.
NEDg Description generation batch_69d1bdbddb7c81909b941d935e925ce5 completed April 5, 2026, 1:41 a.m.
NED2 Entity disambiguation (via description) batch_69d1be0ccc6081908bf3ef8db3c8b591 completed April 5, 2026, 1:42 a.m.
Created at: March 30, 2026, 8:18 p.m.