Triple
T21586691
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midland Line |
E532668
|
entity |
| Predicate | notableStructure |
P1544
|
FINISHED |
| Object |
Otira Tunnel
Otira Tunnel is a historic railway tunnel in New Zealand that carries trains through the Southern Alps between Arthur’s Pass and Otira on the Midland Line.
|
E1495130
|
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: Otira Tunnel | Statement: [Midland Line, notableStructure, Otira Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Otira Tunnel Context triple: [Midland Line, notableStructure, Otira Tunnel]
-
A.
Sitina Tunnel
Sitina Tunnel is a major road tunnel in Bratislava, Slovakia, forming part of the city’s key motorway connection and easing traffic flow in the western part of the capital.
-
B.
Bu Tunnel
Bu Tunnel is a Norwegian road tunnel that forms part of the access route to the Hardanger Bridge in Vestland county.
-
C.
Kohat Tunnel
Kohat Tunnel is a major road tunnel in Pakistan that provides a vital transport link through the mountainous terrain between Kohat and Peshawar in Khyber Pakhtunkhwa.
-
D.
Vallavik Tunnel
Vallavik Tunnel is a road tunnel in western Norway that forms part of the regional highway network connecting to the Hardanger Bridge.
-
E.
Drogden Tunnel
The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
- 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: Otira Tunnel Triple: [Midland Line, notableStructure, Otira Tunnel]
Generated description
Otira Tunnel is a historic railway tunnel in New Zealand that carries trains through the Southern Alps between Arthur’s Pass and Otira on the Midland Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Otira Tunnel Target entity description: Otira Tunnel is a historic railway tunnel in New Zealand that carries trains through the Southern Alps between Arthur’s Pass and Otira on the Midland Line.
-
A.
Sitina Tunnel
Sitina Tunnel is a major road tunnel in Bratislava, Slovakia, forming part of the city’s key motorway connection and easing traffic flow in the western part of the capital.
-
B.
Bu Tunnel
Bu Tunnel is a Norwegian road tunnel that forms part of the access route to the Hardanger Bridge in Vestland county.
-
C.
Kohat Tunnel
Kohat Tunnel is a major road tunnel in Pakistan that provides a vital transport link through the mountainous terrain between Kohat and Peshawar in Khyber Pakhtunkhwa.
-
D.
Vallavik Tunnel
Vallavik Tunnel is a road tunnel in western Norway that forms part of the regional highway network connecting to the Hardanger Bridge.
-
E.
Drogden Tunnel
The Drogden Tunnel is an underwater road and rail tunnel beneath the Øresund Strait that forms the submerged section of the fixed link between Denmark and Sweden.
- 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_69e0c46251648190876f0427cf2d321b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eeeb6137fc8190840b7c1275e62a1d |
completed | April 27, 2026, 4:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a158661788190a6d3f526b9a094a7 |
completed | May 17, 2026, 7:22 p.m. |
| NEDg | Description generation | batch_6a0a168d3cbc81909a2a7a2c3e344ac7 |
completed | May 17, 2026, 7:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0a1704fb4c819086a689ccced74f90 |
completed | May 17, 2026, 7:29 p.m. |
Created at: April 16, 2026, 6:31 p.m.