Washington & Old Dominion Railroad Trail
E51241
The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T406712 — 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: Washington & Old Dominion Railroad Trail Context triple: [Vienna, Virginia, hasTrail, Washington & Old Dominion Railroad Trail]
-
A.
Schuylkill River Trail
The Schuylkill River Trail is a popular multi-use recreational path in southeastern Pennsylvania that follows the Schuylkill River, offering scenic routes for walking, running, and cycling through urban and natural landscapes.
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B.
Blue Ridge Parkway
Blue Ridge Parkway is a renowned scenic highway in the Appalachian Mountains, celebrated for its sweeping vistas, outdoor recreation, and connection between Shenandoah and Great Smoky Mountains National Parks.
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C.
North County Trailway
North County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for walking, running, and cycling along a former railroad corridor.
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D.
Battle Road Trail
Battle Road Trail is a historic walking and biking path that follows the route of the opening battles of the American Revolutionary War between Lexington and Concord in Massachusetts.
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E.
Delaware and Raritan Canal State Park Trail
The Delaware and Raritan Canal State Park Trail is a popular multi-use recreational path in New Jersey that follows the historic Delaware and Raritan Canal, offering scenic routes for walking, running, and cycling.
- 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: Washington & Old Dominion Railroad Trail Target entity description: The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.
-
A.
Schuylkill River Trail
The Schuylkill River Trail is a popular multi-use recreational path in southeastern Pennsylvania that follows the Schuylkill River, offering scenic routes for walking, running, and cycling through urban and natural landscapes.
-
B.
Blue Ridge Parkway
Blue Ridge Parkway is a renowned scenic highway in the Appalachian Mountains, celebrated for its sweeping vistas, outdoor recreation, and connection between Shenandoah and Great Smoky Mountains National Parks.
-
C.
North County Trailway
North County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for walking, running, and cycling along a former railroad corridor.
-
D.
Battle Road Trail
Battle Road Trail is a historic walking and biking path that follows the route of the opening battles of the American Revolutionary War between Lexington and Concord in Massachusetts.
-
E.
Delaware and Raritan Canal State Park Trail
The Delaware and Raritan Canal State Park Trail is a popular multi-use recreational path in New Jersey that follows the historic Delaware and Raritan Canal, offering scenic routes for walking, running, and cycling.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
multi-use trail
ⓘ
paved trail ⓘ rail trail ⓘ recreational trail ⓘ |
| category |
Bike paths in Virginia
ⓘ
Protected areas of Northern Virginia ⓘ Rail trails in Virginia ⓘ |
| connectsTo |
Custis Trail
ⓘ
Four Mile Run Trail ⓘ Mount Vernon Trail ⓘ
surface form:
Mount Vernon Trail (via connecting routes)
|
| country |
United States of America
ⓘ
surface form:
United States
|
| follows |
Washington & Old Dominion Railroad Trail
self-linksurface differs
ⓘ
surface form:
former Washington and Old Dominion Railroad corridor
|
| formerOwner | Washington and Old Dominion Railroad ⓘ |
| formerUse | railroad right-of-way ⓘ |
| hasFeature |
interpretive signs
ⓘ
mile markers ⓘ parking areas ⓘ rest areas ⓘ road crossings ⓘ trailheads ⓘ |
| hasParallelFacility | W&OD Trail gravel horse trail (in some sections) ⓘ |
| length | about 45 miles ⓘ |
| locatedIn | Northern Virginia ⓘ |
| maintainedBy | Northern Virginia Regional Park Authority ⓘ |
| notAllowed | motor vehicles ⓘ |
| openTo |
bicycles
ⓘ
non-motorized users ⓘ pedestrians ⓘ |
| operator | Northern Virginia Regional Park Authority ⓘ |
| partOf |
Northern Virginia Regional Park Authority
ⓘ
surface form:
Northern Virginia Regional Park Authority trail system
|
| passesThrough |
Arlington County
ⓘ
surface form:
Arlington County, Virginia
Fairfax County, Virginia ⓘ Loudoun County, Virginia ⓘ |
| railTrailType | rails-to-trails conversion ⓘ |
| region | Washington metropolitan area ⓘ |
| state | Virginia ⓘ |
| surface | asphalt ⓘ |
| terminusEast |
The Village at Shirlington
ⓘ
surface form:
Shirlington, Arlington, Virginia
|
| terminusWest |
Purcellville
ⓘ
surface form:
Purcellville, Virginia
|
| usedFor |
commuting
ⓘ
cycling ⓘ dog walking ⓘ inline skating ⓘ recreation ⓘ running ⓘ walking ⓘ |
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: Washington & Old Dominion Railroad Trail Description of subject: The Washington & Old Dominion Railroad Trail is a popular multi-use paved rail trail in Northern Virginia that follows a former railroad corridor through several communities for recreation and commuting.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Vienna, Virginia
this entity surface form:
Potomac Heritage National Scenic Trail segments
Washington & Old Dominion Railroad Trail
→
follows
→
Washington & Old Dominion Railroad Trail
self-linksurface differs
ⓘ
this entity surface form:
former Washington and Old Dominion Railroad corridor
this entity surface form:
W&OD Railroad Trail
this entity surface form:
Washington & Old Dominion Railroad corridor
this entity surface form:
Washington and Old Dominion Railroad Trail
this entity surface form:
Washington and Old Dominion Railroad Trail