Triple
T11137054
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cuyahoga Valley National Park |
E263441
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object |
Cuyahoga Valley Scenic Railroad
Cuyahoga Valley Scenic Railroad is a heritage railway that offers passenger excursions through the natural and historic landscapes of Cuyahoga Valley in Ohio.
|
E908073
|
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: Cuyahoga Valley Scenic Railroad | Statement: [Cuyahoga Valley National Park, servedBy, Cuyahoga Valley Scenic Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cuyahoga Valley Scenic Railroad Context triple: [Cuyahoga Valley National Park, servedBy, Cuyahoga Valley Scenic Railroad]
-
A.
Hocking Valley Railway
Hocking Valley Railway was a regional railroad in Ohio that played a key role in transporting coal and other freight in the late 19th and early 20th centuries.
-
B.
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.
-
C.
Conway Scenic Railroad
Conway Scenic Railroad is a heritage railway in New Hampshire that offers scenic passenger excursions through the White Mountains in vintage trains.
-
D.
Allegheny Portage Railroad
The Allegheny Portage Railroad was a 19th-century inclined-plane rail system that carried canal boats over the Allegheny Mountains, playing a key role in early transportation across Pennsylvania and now preserved as a National Historic Site.
-
E.
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.
- 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: Cuyahoga Valley Scenic Railroad Triple: [Cuyahoga Valley National Park, servedBy, Cuyahoga Valley Scenic Railroad]
Generated description
Cuyahoga Valley Scenic Railroad is a heritage railway that offers passenger excursions through the natural and historic landscapes of Cuyahoga Valley in Ohio.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cuyahoga Valley Scenic Railroad Target entity description: Cuyahoga Valley Scenic Railroad is a heritage railway that offers passenger excursions through the natural and historic landscapes of Cuyahoga Valley in Ohio.
-
A.
Hocking Valley Railway
Hocking Valley Railway was a regional railroad in Ohio that played a key role in transporting coal and other freight in the late 19th and early 20th centuries.
-
B.
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.
-
C.
Conway Scenic Railroad
Conway Scenic Railroad is a heritage railway in New Hampshire that offers scenic passenger excursions through the White Mountains in vintage trains.
-
D.
Allegheny Portage Railroad
The Allegheny Portage Railroad was a 19th-century inclined-plane rail system that carried canal boats over the Allegheny Mountains, playing a key role in early transportation across Pennsylvania and now preserved as a National Historic Site.
-
E.
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.
- 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_69d6aa9c0ba08190bbd19c217489b755 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e85f2ea48190bf1ff63af1d7d236 |
completed | April 9, 2026, 5:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e442030b588190bc958030f30b648a |
completed | April 19, 2026, 2:46 a.m. |
| NEDg | Description generation | batch_69e44c09163481909d6a469b1e50b6ff |
completed | April 19, 2026, 3:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4519f4d408190be9863c72006ecad |
completed | April 19, 2026, 3:53 a.m. |
Created at: April 8, 2026, 9:28 p.m.