Contra Costa Canal Trail
E310419
The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Contra Costa Canal Trail canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2907468 — 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: Contra Costa Canal Trail Context triple: [Contra Costa Canal, hasAssociatedFacility, Contra Costa Canal Trail]
-
A.
Stevens Creek Trail
Stevens Creek Trail is a popular multi-use recreational path in Mountain View, California, that follows Stevens Creek and connects parks, neighborhoods, and nearby cities for walking, running, and cycling.
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B.
Sespe River Trail
Sespe River Trail is a popular backcountry hiking route in Southern California that follows the Sespe Creek through remote canyons, hot springs, and wilderness scenery.
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C.
Redwood Creek Trail
Redwood Creek Trail is a scenic hiking route that follows the course of Redwood Creek through towering redwood forests in Northern California’s Redwood National and State Parks.
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D.
Santa Cruz Trail
Santa Cruz Trail is a popular backcountry hiking route in California known for its scenic canyon views, chaparral landscapes, and access to remote areas of the Santa Ynez Mountains.
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E.
Redwood Trail
Redwood Trail is a scenic hiking path in Big Basin Redwoods State Park that winds through towering old-growth coast redwood forest.
- 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: Contra Costa Canal Trail Target entity description: The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
-
A.
Stevens Creek Trail
Stevens Creek Trail is a popular multi-use recreational path in Mountain View, California, that follows Stevens Creek and connects parks, neighborhoods, and nearby cities for walking, running, and cycling.
-
B.
Sespe River Trail
Sespe River Trail is a popular backcountry hiking route in Southern California that follows the Sespe Creek through remote canyons, hot springs, and wilderness scenery.
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C.
Redwood Creek Trail
Redwood Creek Trail is a scenic hiking route that follows the course of Redwood Creek through towering redwood forests in Northern California’s Redwood National and State Parks.
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D.
Santa Cruz Trail
Santa Cruz Trail is a popular backcountry hiking route in California known for its scenic canyon views, chaparral landscapes, and access to remote areas of the Santa Ynez Mountains.
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E.
Redwood Trail
Redwood Trail is a scenic hiking path in Big Basin Redwoods State Park that winds through towering old-growth coast redwood forest.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
bike trail
ⓘ
hiking trail ⓘ multi-use recreational trail ⓘ shared-use path ⓘ |
| accessibleFor |
bicycles
ⓘ
pedestrians ⓘ strollers ⓘ |
| follows | Contra Costa Canal ⓘ |
| hasAmenity |
connections to local parks
ⓘ
street crossings ⓘ trail access points ⓘ |
| hasRecreationalUse |
commuting by bicycle
ⓘ
family recreation ⓘ |
| hasSetting |
canal corridor
ⓘ
suburban environment ⓘ urban fringe ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Contra Costa County ⓘ
surface form:
Contra Costa County, California
United States of America ⓘ
surface form:
United States
|
| managedBy | Contra Costa County ⓘ |
| parallelsInfrastructure | Contra Costa Canal maintenance road ⓘ |
| partOf | regional trail network in Contra Costa County ⓘ |
| passesThrough |
Concord, California, United States
ⓘ
surface form:
Concord, California
Martinez, California ⓘ Pleasant Hill, California ⓘ Walnut Creek, California ⓘ open spaces ⓘ suburban communities ⓘ |
| popularWith |
cyclists
ⓘ
local residents ⓘ runners ⓘ walkers ⓘ |
| surfaceType | paved ⓘ |
| usedFor |
cycling
ⓘ
jogging ⓘ 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: Contra Costa Canal Trail Description of subject: The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.