Triple
T8965791
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Felton, California |
E214128
|
entity |
| Predicate | hasAttraction |
P105
|
FINISHED |
| Object |
Roaring Camp & Big Trees Narrow Gauge Railroad
Roaring Camp & Big Trees Narrow Gauge Railroad is a historic tourist railway in the redwood forests near Felton, California, offering scenic steam train rides through the Santa Cruz Mountains.
|
E768847
|
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: Roaring Camp & Big Trees Narrow Gauge Railroad | Statement: [Felton, California, hasAttraction, Roaring Camp & Big Trees Narrow Gauge Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Roaring Camp & Big Trees Narrow Gauge Railroad Context triple: [Felton, California, hasAttraction, Roaring Camp & Big Trees Narrow Gauge Railroad]
-
A.
Calico Railroad
Calico Railroad is a themed narrow-gauge train attraction that recreates an Old West mining railroad experience for guests.
-
B.
Yosemite Mountain Sugar Pine Railroad
Yosemite Mountain Sugar Pine Railroad is a historic narrow-gauge tourist railway near Yosemite National Park that offers scenic steam train rides through the Sierra Nevada forest.
-
C.
Cass Scenic Railroad
Cass Scenic Railroad is a historic heritage railway in West Virginia that operates restored steam-driven logging trains through the mountains as a popular tourist attraction.
-
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.
Niles Canyon Railway
Niles Canyon Railway is a historic heritage railroad in California that offers scenic train rides through Niles Canyon using vintage locomotives and cars.
- 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: Roaring Camp & Big Trees Narrow Gauge Railroad Triple: [Felton, California, hasAttraction, Roaring Camp & Big Trees Narrow Gauge Railroad]
Generated description
Roaring Camp & Big Trees Narrow Gauge Railroad is a historic tourist railway in the redwood forests near Felton, California, offering scenic steam train rides through the Santa Cruz Mountains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Roaring Camp & Big Trees Narrow Gauge Railroad Target entity description: Roaring Camp & Big Trees Narrow Gauge Railroad is a historic tourist railway in the redwood forests near Felton, California, offering scenic steam train rides through the Santa Cruz Mountains.
-
A.
Calico Railroad
Calico Railroad is a themed narrow-gauge train attraction that recreates an Old West mining railroad experience for guests.
-
B.
Yosemite Mountain Sugar Pine Railroad
Yosemite Mountain Sugar Pine Railroad is a historic narrow-gauge tourist railway near Yosemite National Park that offers scenic steam train rides through the Sierra Nevada forest.
-
C.
Cass Scenic Railroad
Cass Scenic Railroad is a historic heritage railway in West Virginia that operates restored steam-driven logging trains through the mountains as a popular tourist attraction.
-
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.
Niles Canyon Railway
Niles Canyon Railway is a historic heritage railroad in California that offers scenic train rides through Niles Canyon using vintage locomotives and cars.
- 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_69ca839cd6008190a1546a701a56710c |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc67623818819096aee155a9b43e8f |
completed | April 1, 2026, 12:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cfc95514408190ad442069daec0459 |
completed | April 3, 2026, 2:06 p.m. |
| NEDg | Description generation | batch_69cfc9e01dc88190aeedcd9fb3281688 |
completed | April 3, 2026, 2:08 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cfca4374c481909ceefcfb1a31bed2 |
completed | April 3, 2026, 2:10 p.m. |
Created at: March 30, 2026, 7:01 p.m.