Crystal Springs Regional Trail
E145603
Crystal Springs Regional Trail is a popular multi-use recreational path on the San Francisco Peninsula that follows the Crystal Springs Reservoirs and offers scenic views, walking, running, and cycling opportunities.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Crystal Springs Regional Trail canonical | 3 |
| Crystal Springs Trail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1109427 — 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: Crystal Springs Regional Trail Context triple: [San Andreas Lake, publicShorelineTrailNearby, Crystal Springs Regional Trail]
-
A.
Northside Trail
Northside Trail is a popular multi-use path in Atlanta that winds through wooded areas and connects neighborhoods as part of the larger Atlanta BeltLine trail network.
-
B.
Westside Trail
Westside Trail is a multi-use path and greenway in Atlanta that forms part of the Atlanta BeltLine, connecting neighborhoods on the city’s west side with parks, transit, and public art.
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C.
Southside Trail
Southside Trail is a multi-use path in Atlanta that forms the southern segment of the Atlanta BeltLine, connecting neighborhoods with green space, transit access, and recreational amenities.
-
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.
Eastside Trail
Eastside Trail is a popular multi-use urban trail in Atlanta that follows a former railway corridor, connecting several intown neighborhoods with parks, art installations, and restaurants.
- 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: Crystal Springs Regional Trail Target entity description: Crystal Springs Regional Trail is a popular multi-use recreational path on the San Francisco Peninsula that follows the Crystal Springs Reservoirs and offers scenic views, walking, running, and cycling opportunities.
-
A.
Northside Trail
Northside Trail is a popular multi-use path in Atlanta that winds through wooded areas and connects neighborhoods as part of the larger Atlanta BeltLine trail network.
-
B.
Westside Trail
Westside Trail is a multi-use path and greenway in Atlanta that forms part of the Atlanta BeltLine, connecting neighborhoods on the city’s west side with parks, transit, and public art.
-
C.
Southside Trail
Southside Trail is a multi-use path in Atlanta that forms the southern segment of the Atlanta BeltLine, connecting neighborhoods with green space, transit access, and recreational amenities.
-
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.
Eastside Trail
Eastside Trail is a popular multi-use urban trail in Atlanta that follows a former railway corridor, connecting several intown neighborhoods with parks, art installations, and restaurants.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
cycling route
ⓘ
hiking trail ⓘ multi-use recreational trail ⓘ regional trail ⓘ |
| accessRestriction | no motor vehicles on main trail ⓘ |
| adjacentTo | Crystal Springs Reservoir watershed ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| environment |
grassland
ⓘ
lakeshore ⓘ oak woodland ⓘ |
| follows |
Crystal Springs Reservoir
ⓘ
San Andreas Lake ⓘ |
| hasAmenity |
drinking fountains at some locations
ⓘ
parking lots at access points ⓘ restrooms at trailheads ⓘ |
| hasSurface |
gravel
ⓘ
paved ⓘ |
| hasUse |
cycling
ⓘ
jogging ⓘ rollerblading ⓘ running ⓘ walking ⓘ |
| hasView |
Crystal Springs Reservoir
ⓘ
Santa Cruz Mountains ⓘ Sawyer Camp segment scenery ⓘ |
| isPartOf | San Mateo County Regional Trails System ⓘ |
| lengthApprox | 15 miles ⓘ |
| locatedIn | San Mateo County, California ⓘ |
| locatedOn | San Francisco Peninsula ⓘ |
| maintainedBy | San Mateo County Parks Department ⓘ |
| near |
Burlingame, California
ⓘ
linked to:
Burlingame, California, United States
Hillsborough, California ⓘ Millbrae, California ⓘ
linked to:
Millbrae
San Mateo, California ⓘ
linked to:
San Mateo, California, United States
|
| operator | San Mateo County Parks Department ⓘ |
| ownedBy |
San Mateo County
ⓘ
linked to:
San Mateo County, California
|
| parallelTo | Interstate 280 ⓘ |
| popularFor |
exercise
ⓘ
family outings ⓘ recreation ⓘ |
| regulation |
bicycles allowed on most segments
ⓘ
dogs allowed on leash on some segments ⓘ no swimming in reservoir ⓘ |
| segment |
Crystal Springs segment
ⓘ
San Andreas segment ⓘ Sawyer Camp Trail ⓘ |
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: Crystal Springs Regional Trail Description of subject: Crystal Springs Regional Trail is a popular multi-use recreational path on the San Francisco Peninsula that follows the Crystal Springs Reservoirs and offers scenic views, walking, running, and cycling opportunities.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Crystal Springs Regional Trail