Topaz Lake
E1015000
Topaz Lake is a reservoir straddling the California–Nevada border in the eastern Sierra Nevada, popular for fishing, boating, and scenic recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Topaz Lake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10922115 — 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: Topaz Lake Context triple: [Topaz Lake (Nevada portion), partOf, Topaz Lake]
-
A.
Turquoise Lake
Turquoise Lake is a high-altitude reservoir near Leadville in central Colorado, popular for fishing, boating, and scenic mountain recreation.
-
B.
Sapphire Lake
Sapphire Lake is a high-elevation alpine lake in California’s Sierra Nevada, noted for its clear blue waters and proximity to the remote Evolution Valley backcountry.
-
C.
Manzanita Lake
Manzanita Lake is a scenic alpine lake in Northern California known for its clear waters, views of Lassen Peak, and popular opportunities for fishing, kayaking, and camping.
-
D.
Flagstaff Lake
Flagstaff Lake is a large man-made reservoir in western Maine known for its scenic mountain surroundings and recreational opportunities like boating, fishing, and camping.
-
E.
June Lake
June Lake is a scenic alpine lake and resort community in California’s Eastern Sierra Nevada, known for fishing, hiking, and skiing.
- 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: Topaz Lake Target entity description: Topaz Lake is a reservoir straddling the California–Nevada border in the eastern Sierra Nevada, popular for fishing, boating, and scenic recreation.
-
A.
Turquoise Lake
Turquoise Lake is a high-altitude reservoir near Leadville in central Colorado, popular for fishing, boating, and scenic mountain recreation.
-
B.
Sapphire Lake
Sapphire Lake is a high-elevation alpine lake in California’s Sierra Nevada, noted for its clear blue waters and proximity to the remote Evolution Valley backcountry.
-
C.
Manzanita Lake
Manzanita Lake is a scenic alpine lake in Northern California known for its clear waters, views of Lassen Peak, and popular opportunities for fishing, kayaking, and camping.
-
D.
Flagstaff Lake
Flagstaff Lake is a large man-made reservoir in western Maine known for its scenic mountain surroundings and recreational opportunities like boating, fishing, and camping.
-
E.
June Lake
June Lake is a scenic alpine lake and resort community in California’s Eastern Sierra Nevada, known for fishing, hiking, and skiing.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| hasActivity |
camping
ⓘ
picnicking ⓘ power boating ⓘ sport fishing ⓘ water skiing ⓘ |
| hasBorderHighway | U.S. Route 395 NERFINISHED ⓘ |
| hasFishSpecies |
bass
ⓘ
trout ⓘ |
| hasNearbySettlement |
Gardnerville Ranchos, Nevada
NERFINISHED
ⓘ
Topaz, California NERFINISHED ⓘ |
| hasScenicViewOf | Sierra Nevada mountains NERFINISHED ⓘ |
| hasShoreFacility |
Topaz Lake Park
NERFINISHED
ⓘ
boat ramps ⓘ campgrounds ⓘ |
| isPopularWith |
anglers
ⓘ
boaters ⓘ tourists ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Nevada ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInCounty |
Douglas County, Nevada
NERFINISHED
ⓘ
Mono County, California NERFINISHED ⓘ |
| locatedInRegion | eastern Sierra Nevada ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedOnBorderBetween |
California
NERFINISHED
ⓘ
Nevada NERFINISHED ⓘ |
| partOf | Sierra Nevada region NERFINISHED ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ recreation ⓘ scenic recreation ⓘ |
| waterType | freshwater ⓘ |
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: Topaz Lake Description of subject: Topaz Lake is a reservoir straddling the California–Nevada border in the eastern Sierra Nevada, popular for fishing, boating, and scenic recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.