Redwood Valley Railway
E842526
Redwood Valley Railway is a miniature live steam railroad in Tilden Regional Park that offers scenic train rides through the Berkeley Hills.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Redwood Valley Railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10121054 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Redwood Valley Railway Context triple: [Tilden Regional Park, hasPart, Redwood Valley Railway]
-
A.
Wallkill Valley Railroad
The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
-
B.
Grapevine Vintage Railroad
Grapevine Vintage Railroad is a historic excursion railway in Grapevine, Texas, offering scenic rides on vintage trains and locomotives for tourists and rail enthusiasts.
-
C.
Oregon Trunk Railway
The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
-
D.
Calico Railroad
Calico Railroad is a themed narrow-gauge train attraction that recreates an Old West mining railroad experience for guests.
-
E.
Oregon Coast Scenic Railroad
The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Redwood Valley Railway Target entity description: Redwood Valley Railway is a miniature live steam railroad in Tilden Regional Park that offers scenic train rides through the Berkeley Hills.
-
A.
Wallkill Valley Railroad
The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
-
B.
Grapevine Vintage Railroad
Grapevine Vintage Railroad is a historic excursion railway in Grapevine, Texas, offering scenic rides on vintage trains and locomotives for tourists and rail enthusiasts.
-
C.
Oregon Trunk Railway
The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
-
D.
Calico Railroad
Calico Railroad is a themed narrow-gauge train attraction that recreates an Old West mining railroad experience for guests.
-
E.
Oregon Coast Scenic Railroad
The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
miniature railway
ⓘ
tourist attraction ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environment | park setting ⓘ |
| gauge | 15 in (381 mm) ⓘ |
| hasFeature |
miniature scale
ⓘ
outdoor attraction ⓘ scenic route through forested hills ⓘ |
| hasRollingStockType |
passenger cars
ⓘ
steam locomotives ⓘ |
| hasService | short excursion rides ⓘ |
| locatedIn |
Berkeley Hills
ⓘ
California ⓘ
linked to:
California, United States
Contra Costa County, California ⓘ
linked to:
Contra Costa County
Tilden Regional Park ⓘ United States ⓘ
linked to:
United States of America
|
| near |
Berkeley, California
ⓘ
linked to:
Berkeley, California, United States
|
| offers | scenic train rides ⓘ |
| openToPublic | yes ⓘ |
| operatesIn | Tilden Regional Park steam train area ⓘ |
| primaryUse |
recreational
ⓘ
tourist rides ⓘ |
| propulsionSystem | steam ⓘ |
| railwayType | narrow gauge miniature railway ⓘ |
| region | East Bay ⓘ |
| status | operational ⓘ |
| surroundedBy |
hills
ⓘ
woodland ⓘ |
| targetAudience |
families
ⓘ
railway enthusiasts ⓘ |
| trackType | loop ⓘ |
| uses | live steam locomotives ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Redwood Valley Railway Description of subject: Redwood Valley Railway is a miniature live steam railroad in Tilden Regional Park that offers scenic train rides through the Berkeley Hills.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.