Lafayette Reservoir Recreation Area
E437250
Lafayette Reservoir Recreation Area is a popular East Bay outdoor destination featuring a scenic reservoir, hiking and biking trails, picnicking areas, and fishing opportunities near Lafayette, California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lafayette Reservoir Recreation Area canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4383849 — 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: Lafayette Reservoir Recreation Area Context triple: [Lafayette, California, hasFeature, Lafayette Reservoir Recreation Area]
-
A.
Lahontan State Recreation Area
Lahontan State Recreation Area is a Nevada state park centered around Lahontan Reservoir, popular for boating, fishing, camping, and other water-based recreation in the desert landscape.
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B.
Lakepoint State Park
Lakepoint State Park is a public recreation area and resort on the shores of Lake Eufaula in southeastern Alabama, known for its fishing, boating, and wildlife viewing opportunities.
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C.
Fenton Lake State Park
Fenton Lake State Park is a scenic New Mexico state park centered around a small mountain lake, popular for fishing, camping, and wildlife viewing in the Jemez Mountains.
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D.
Nolin Lake State Park
Nolin Lake State Park is a Kentucky state park known for its large reservoir, outdoor recreation opportunities, and scenic forested shoreline.
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E.
Millerton Lake State Recreation Area
Millerton Lake State Recreation Area is a California state park centered around Millerton Lake that offers boating, fishing, camping, and other outdoor recreation in the Sierra Nevada foothills near Fresno.
- 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: Lafayette Reservoir Recreation Area Target entity description: Lafayette Reservoir Recreation Area is a popular East Bay outdoor destination featuring a scenic reservoir, hiking and biking trails, picnicking areas, and fishing opportunities near Lafayette, California.
-
A.
Lahontan State Recreation Area
Lahontan State Recreation Area is a Nevada state park centered around Lahontan Reservoir, popular for boating, fishing, camping, and other water-based recreation in the desert landscape.
-
B.
Lakepoint State Park
Lakepoint State Park is a public recreation area and resort on the shores of Lake Eufaula in southeastern Alabama, known for its fishing, boating, and wildlife viewing opportunities.
-
C.
Fenton Lake State Park
Fenton Lake State Park is a scenic New Mexico state park centered around a small mountain lake, popular for fishing, camping, and wildlife viewing in the Jemez Mountains.
-
D.
Nolin Lake State Park
Nolin Lake State Park is a Kentucky state park known for its large reservoir, outdoor recreation opportunities, and scenic forested shoreline.
-
E.
Millerton Lake State Recreation Area
Millerton Lake State Recreation Area is a California state park centered around Millerton Lake that offers boating, fishing, camping, and other outdoor recreation in the Sierra Nevada foothills near Fresno.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
outdoor destination
ⓘ
park ⓘ recreation area ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| environment | foothills of the Diablo Range ⓘ |
| hasAccess | parking lots ⓘ |
| hasAmenity |
barbecue grills
ⓘ
boat launch ⓘ children’s play area ⓘ fishing docks ⓘ picnic tables ⓘ restrooms ⓘ |
| hasFeature |
Lafayette Reservoir
NERFINISHED
ⓘ
biking trails ⓘ boat rentals ⓘ day-use facilities ⓘ fishing opportunities ⓘ hiking trails ⓘ paved lakeside trail ⓘ picnic areas ⓘ playground ⓘ |
| hasRegulation |
day-use only
ⓘ
dogs allowed with restrictions ⓘ no swimming allowed ⓘ |
| hasTrail |
rim trail
ⓘ
shoreline trail ⓘ |
| hasView | surrounding East Bay hills ⓘ |
| locatedIn |
Contra Costa County, California
NERFINISHED
ⓘ
East Bay NERFINISHED ⓘ Lafayette, California NERFINISHED ⓘ San Francisco Bay Area ⓘ |
| near | downtown Lafayette, California NERFINISHED ⓘ |
| openTo | public ⓘ |
| operator | East Bay Municipal Utility District NERFINISHED ⓘ |
| ownedBy | East Bay Municipal Utility District NERFINISHED ⓘ |
| popularFor |
bicycling
ⓘ
boating ⓘ fishing ⓘ hiking ⓘ jogging ⓘ picnicking ⓘ |
| region | Northern California ⓘ |
| usedFor |
emergency water supply
ⓘ
water storage ⓘ |
| waterBody | Lafayette Reservoir NERFINISHED ⓘ |
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: Lafayette Reservoir Recreation Area Description of subject: Lafayette Reservoir Recreation Area is a popular East Bay outdoor destination featuring a scenic reservoir, hiking and biking trails, picnicking areas, and fishing opportunities near Lafayette, California.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Lafayette, California