Great American Rail-Trail
E61815
The Great American Rail-Trail is a developing cross-country multiuse trail route that aims to connect existing and new rail-trails into a continuous path spanning the United States from Washington, D.C., to Washington State.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Great American Rail-Trail canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T493050 — 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: Great American Rail-Trail Context triple: [Rails-to-Trails Conservancy, notableProject, Great American Rail-Trail]
-
A.
National Millennium Trail
The National Millennium Trail is a U.S. program that recognizes historically and culturally significant long-distance trails, such as the Freedom Trail, as part of a national legacy of pathways.
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B.
TransAmerica Trail Bicycle Route (segment)
The TransAmerica Trail Bicycle Route (segment) in Pueblo County, Colorado is part of a cross-country cycling route that guides long-distance bicyclists through the county’s varied plains and foothill landscapes.
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C.
Appalachian Trail
The Appalachian Trail is a famous long-distance hiking footpath in the eastern United States that stretches over 2,000 miles from Georgia to Maine through diverse mountain and forest landscapes.
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D.
National Recreation Trail
A National Recreation Trail is a federally recognized trail in the United States designated for its outstanding recreation opportunities and contribution to public access and enjoyment of the outdoors.
-
E.
Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
- 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: Great American Rail-Trail Target entity description: The Great American Rail-Trail is a developing cross-country multiuse trail route that aims to connect existing and new rail-trails into a continuous path spanning the United States from Washington, D.C., to Washington State.
-
A.
National Millennium Trail
The National Millennium Trail is a U.S. program that recognizes historically and culturally significant long-distance trails, such as the Freedom Trail, as part of a national legacy of pathways.
-
B.
TransAmerica Trail Bicycle Route (segment)
The TransAmerica Trail Bicycle Route (segment) in Pueblo County, Colorado is part of a cross-country cycling route that guides long-distance bicyclists through the county’s varied plains and foothill landscapes.
-
C.
Appalachian Trail
The Appalachian Trail is a famous long-distance hiking footpath in the eastern United States that stretches over 2,000 miles from Georgia to Maine through diverse mountain and forest landscapes.
-
D.
National Recreation Trail
A National Recreation Trail is a federally recognized trail in the United States designated for its outstanding recreation opportunities and contribution to public access and enjoyment of the outdoors.
-
E.
Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
cross-country trail route
ⓘ
long-distance trail ⓘ multi-use trail ⓘ rail-trail ⓘ |
| accessMode | non-motorized ⓘ |
| connectsRegion |
East Coast of the United States
ⓘ
Pacific Northwest ⓘ
surface form:
Pacific Northwest of the United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | multiple U.S. states ⓘ |
| designPrinciple | separate users from motor vehicle traffic ⓘ |
| developmentStatus | under development ⓘ |
| endPoint |
Washington
ⓘ
surface form:
Washington State
|
| goal | create a continuous multiuse trail across the United States ⓘ |
| hasSegmentType |
dirt trail segments
ⓘ
gravel trail segments ⓘ paved trail segments ⓘ |
| intendedUsers |
cyclists
ⓘ
equestrians ⓘ pedestrians ⓘ |
| notableFeature |
intended to span the continental United States
ⓘ
links numerous existing regional rail-trails ⓘ |
| orientation | east–west ⓘ |
| passesThrough |
natural landscapes
ⓘ
rural areas ⓘ suburban areas ⓘ urban areas ⓘ |
| primaryUse | recreation ⓘ |
| purpose |
promote outdoor recreation
ⓘ
provide long-distance active transportation corridor ⓘ support bicycle tourism ⓘ |
| routeType | multiuse trail ⓘ |
| secondaryUse | non-motorized transportation ⓘ |
| startPoint | Washington, D.C. ⓘ |
| surfaceType | primarily off-road ⓘ |
| trailCategory |
greenway
ⓘ
recreational trail ⓘ |
| usesCorridors | former railroad corridors ⓘ |
| usesInfrastructure |
existing rail-trails
ⓘ
newly built trail segments ⓘ |
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: Great American Rail-Trail Description of subject: The Great American Rail-Trail is a developing cross-country multiuse trail route that aims to connect existing and new rail-trails into a continuous path spanning the United States from Washington, D.C., to Washington State.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.