Triple
T20812723
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Portal |
E512352
|
entity |
| Predicate | hasStructure |
P35
|
FINISHED |
| Object | Twin Peaks Tunnel western portal |
—
|
NE NERFINISHED |
How this triple was built (2 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: Twin Peaks Tunnel western portal | Statement: [West Portal, hasStructure, Twin Peaks Tunnel western portal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Twin Peaks Tunnel western portal Context triple: [West Portal, hasStructure, Twin Peaks Tunnel western portal]
-
A.
Twin Peaks Tunnel
chosen
The Twin Peaks Tunnel is a historic light rail tunnel in San Francisco that carries Muni Metro trains between downtown and the western neighborhoods beneath Twin Peaks.
-
B.
Sunset Tunnel
Sunset Tunnel is a rail tunnel in San Francisco that carries Muni Metro light rail trains beneath the hilly terrain between the Duboce Triangle and Inner Sunset neighborhoods.
-
C.
Twin Peaks summit
Twin Peaks summit is a popular high point in San Francisco offering panoramic views of the city and the Bay Area.
-
D.
Enlow Tunnel
Enlow Tunnel is a historic railroad tunnel in Pennsylvania that now serves as part of the multi-use Montour Trail for hikers and cyclists.
-
E.
Stampede Tunnel
Stampede Tunnel is a historic railroad tunnel driven through Washington State’s Cascade Range that enabled the Northern Pacific Railway to complete a direct transcontinental route to the Pacific Northwest.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b4cd25088190b48ca9700cd24efc |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2d415688190b66adc44d4df9bbb |
completed | April 21, 2026, 12:20 a.m. |
Created at: April 16, 2026, 12:40 p.m.