Triple
T18162223
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BNSF Scenic Subdivision |
E434793
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Cascade Tunnel |
—
|
NE NERFINISHED |
How this triple was built (3 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: Cascade Tunnel | Statement: [BNSF Scenic Subdivision, hasStructure, Cascade Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cascade Tunnel Context triple: [BNSF Scenic Subdivision, hasStructure, Cascade Tunnel]
-
A.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
-
B.
Summit Tunnel
Summit Tunnel is a historic railway tunnel in northern England, renowned as one of the earliest and longest major railway tunnels built during the early Victorian era.
-
C.
Summit Tunnel
Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
-
D.
Zuzu Angel Tunnel
Zuzu Angel Tunnel is a major road tunnel in Rio de Janeiro, Brazil, named in honor of the Brazilian fashion designer and political activist Zuzu Angel.
-
E.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cascade Tunnel Target entity description: Cascade Tunnel is a long railroad tunnel beneath Washington State’s Cascade Range that serves as a key passage for trains crossing the mountains.
-
A.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
-
B.
Summit Tunnel
Summit Tunnel is a historic railway tunnel in northern England, renowned as one of the earliest and longest major railway tunnels built during the early Victorian era.
-
C.
Summit Tunnel
Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
-
D.
Zuzu Angel Tunnel
Zuzu Angel Tunnel is a major road tunnel in Rio de Janeiro, Brazil, named in honor of the Brazilian fashion designer and political activist Zuzu Angel.
-
E.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
- F. None of above. chosen
Provenance (2 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_69d8b90b7a188190b3fc7b8d4a6cd20a |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4dec32530819099d906640a07e92c |
completed | April 19, 2026, 1:55 p.m. |
Created at: April 10, 2026, 10:30 a.m.