Triple
T9490895
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canadian Pacific Railway |
E228883
|
entity |
| Predicate | notableStructure |
P1544
|
FINISHED |
| Object |
Spiral Tunnels
Spiral Tunnels are a pair of ingeniously engineered railway tunnels in British Columbia’s Kicking Horse Pass that use spiral loops to reduce steep grades and safely carry trains through the Rocky Mountains.
|
E801849
|
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: Spiral Tunnels | Statement: [Canadian Pacific Railway, notableStructure, Spiral Tunnels]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Spiral Tunnels Context triple: [Canadian Pacific Railway, notableStructure, Spiral Tunnels]
-
A.
Sun Tunnels
Sun Tunnels is a monumental Land Art installation by Nancy Holt in Utah’s Great Basin Desert, consisting of four massive concrete tubes aligned with the solstices and drilled with star patterns.
-
B.
Spiralen tunnel and viewpoint
Spiralen tunnel and viewpoint is a helical road tunnel and popular scenic overlook in Drammen, Norway, offering panoramic views of the city and surrounding landscape.
-
C.
the Tunnels
The Tunnels are an underground, hidden community beneath New York City where outcasts live in secrecy and form a close-knit, almost mythic society in the TV series "Beauty and the Beast."
-
D.
Tar Tunnel
Tar Tunnel is a historic 18th-century industrial tunnel in Ironbridge Gorge, England, known for its natural bitumen seepage and role in the early Industrial Revolution.
-
E.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
- 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: Spiral Tunnels Triple: [Canadian Pacific Railway, notableStructure, Spiral Tunnels]
Generated description
Spiral Tunnels are a pair of ingeniously engineered railway tunnels in British Columbia’s Kicking Horse Pass that use spiral loops to reduce steep grades and safely carry trains through the Rocky Mountains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Spiral Tunnels Target entity description: Spiral Tunnels are a pair of ingeniously engineered railway tunnels in British Columbia’s Kicking Horse Pass that use spiral loops to reduce steep grades and safely carry trains through the Rocky Mountains.
-
A.
Sun Tunnels
Sun Tunnels is a monumental Land Art installation by Nancy Holt in Utah’s Great Basin Desert, consisting of four massive concrete tubes aligned with the solstices and drilled with star patterns.
-
B.
Spiralen tunnel and viewpoint
Spiralen tunnel and viewpoint is a helical road tunnel and popular scenic overlook in Drammen, Norway, offering panoramic views of the city and surrounding landscape.
-
C.
the Tunnels
The Tunnels are an underground, hidden community beneath New York City where outcasts live in secrecy and form a close-knit, almost mythic society in the TV series "Beauty and the Beast."
-
D.
Tar Tunnel
Tar Tunnel is a historic 18th-century industrial tunnel in Ironbridge Gorge, England, known for its natural bitumen seepage and role in the early Industrial Revolution.
-
E.
Box Tunnel
Box Tunnel is a historic railway tunnel in Wiltshire, England, engineered by Isambard Kingdom Brunel as part of the Great Western Railway and renowned for its ambitious 19th-century design and construction.
- 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_69ca847424f081908180305555139f7a |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd80c89ec48190a2ad49394cab9c56 |
completed | April 1, 2026, 8:32 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d12d27c0808190baf5ae04a1b915bb |
completed | April 4, 2026, 3:24 p.m. |
| NEDg | Description generation | batch_69d12da44d7c8190afb11ae3009a79e5 |
completed | April 4, 2026, 3:26 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d12e1459348190aed583b2364a53dd |
completed | April 4, 2026, 3:28 p.m. |
Created at: March 30, 2026, 7:55 p.m.