Triple
T12393827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Niles, California |
E296064
|
entity |
| Predicate | hasAttraction |
P105
|
FINISHED |
| Object | Niles Canyon Railway |
E616378
|
NE FINISHED |
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: Niles Canyon Railway | Statement: [Niles, California, hasAttraction, Niles Canyon Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Niles Canyon Railway Context triple: [Niles, California, hasAttraction, Niles Canyon Railway]
-
A.
Niles Canyon Railway
chosen
Niles Canyon Railway is a historic heritage railroad in California that offers scenic train rides through Niles Canyon using vintage locomotives and cars.
-
B.
Incline Railway
Incline Railway is a historic funicular railway in Chattanooga, Tennessee, known for its steep ascent up Lookout Mountain and its popularity as a scenic tourist attraction.
-
C.
Verde Canyon Railroad
Verde Canyon Railroad is a heritage scenic railway in Arizona that offers passenger excursions through the rugged and picturesque Verde Canyon along the Verde River.
-
D.
Cumbres and Toltec Scenic Railroad
The Cumbres and Toltec Scenic Railroad is a historic narrow-gauge heritage railway running between Colorado and New Mexico, renowned for its preserved steam locomotives and dramatic Rocky Mountain scenery.
-
E.
Mount Tamalpais Scenic Railway
Mount Tamalpais Scenic Railway was a historic early-20th-century tourist railroad in Marin County, California, famed for its winding “Crookedest Railroad in the World” route to the summit of Mount Tamalpais.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d6ad9e653c8190b1473c860ee53dae |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d93fd228488190b216abd1c341563c |
completed | April 10, 2026, 6:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6347c239881909a031e9e195080c9 |
completed | May 2, 2026, 5:29 p.m. |
Created at: April 8, 2026, 9:54 p.m.