Triple
T18514797
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mount Tamalpais Scenic Railway |
E452430
|
entity |
| Predicate | servedAttraction |
P7126
|
FINISHED |
| Object | Muir Woods area |
—
|
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: Muir Woods area | Statement: [Mount Tamalpais Scenic Railway, servedAttraction, Muir Woods area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Muir Woods area Context triple: [Mount Tamalpais Scenic Railway, servedAttraction, Muir Woods area]
-
A.
Muir Woods National Monument
chosen
Muir Woods National Monument is a protected old-growth coastal redwood forest near San Francisco, renowned for its towering trees, lush canyon trails, and tranquil natural beauty.
-
B.
Humboldt Redwoods State Park
Humboldt Redwoods State Park is a renowned California state park in the redwood belt, famous for protecting some of the world's tallest and most impressive old-growth coast redwood forests.
-
C.
Del Norte Coast Redwoods State Park
Del Norte Coast Redwoods State Park is a protected coastal forest park in Northern California renowned for its towering old-growth redwoods, rugged Pacific shoreline, and scenic hiking trails.
-
D.
Big Basin Redwoods State Park
Big Basin Redwoods State Park is California’s oldest state park, renowned for its ancient coast redwood forests, extensive hiking trails, and scenic natural landscapes in the Santa Cruz Mountains.
-
E.
Portola Redwoods State Park
Portola Redwoods State Park is a California state park known for its towering coast redwoods, lush forested canyons, and extensive hiking trails in the Santa Cruz Mountains.
- 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_69d8d386df84819092355ebb260d848e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e53349415c8190b989b536e2d1c40a |
completed | April 19, 2026, 7:55 p.m. |
Created at: April 10, 2026, 11:36 a.m.