Round Valley Reservoir
E620742
Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Round Valley Reservoir canonical | 5 |
| Round Valley Reservoir region (broader area) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6473457 — 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: Round Valley Reservoir Context triple: [Round Valley Recreation Area, hasPart, Round Valley Reservoir]
-
A.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
B.
Calaveras Reservoir
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
C.
La Mesa Reservoir
La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
-
D.
Martinez Reservoir
Martinez Reservoir is a man-made water storage facility in Contra Costa County, California, used for municipal and irrigation supply as part of the region’s canal and water management system.
-
E.
Prosser Creek Reservoir
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
- 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: Round Valley Reservoir Target entity description: Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
-
A.
Crystal Springs Reservoir
Crystal Springs Reservoir is a large artificial lake system on the San Francisco Peninsula that serves as a major drinking water source and scenic open-space area for the region.
-
B.
Calaveras Reservoir
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
C.
La Mesa Reservoir
La Mesa Reservoir is a major water storage facility in the Philippines that supplies potable water to Metro Manila and is located within the protected La Mesa Watershed.
-
D.
Martinez Reservoir
Martinez Reservoir is a man-made water storage facility in Contra Costa County, California, used for municipal and irrigation supply as part of the region’s canal and water management system.
-
E.
Prosser Creek Reservoir
Prosser Creek Reservoir is a man-made lake in Nevada County, California, used primarily for water storage, flood control, and recreation as part of the Truckee River system.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
reservoir ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| createdBy | Round Valley Dam ⓘ |
| governingBody | New Jersey Division of Parks and Forestry ⓘ |
| hasActivity |
kayaking
ⓘ
power boating ⓘ sailing ⓘ shoreline hiking ⓘ sport fishing ⓘ wilderness camping ⓘ |
| hasFeature |
beach area
ⓘ
boat launch ⓘ campgrounds ⓘ scuba diving access ⓘ trails ⓘ |
| hasRegulation |
fishing license required
ⓘ
no-wake zones for boats ⓘ |
| hasUse |
boating
ⓘ
camping ⓘ fishing ⓘ hiking ⓘ picnicking ⓘ scuba diving ⓘ swimming ⓘ |
| hasWildlife | freshwater fish ⓘ |
| knownFor |
boating
ⓘ
camping ⓘ deep clear water ⓘ hiking ⓘ recreational fishing ⓘ scuba diving ⓘ surrounding wilderness areas ⓘ |
| locatedIn |
Clinton Township, New Jersey
ⓘ
Hunterdon County, New Jersey ⓘ New Jersey ⓘ
linked to:
New Jersey, United States
Readington Township, New Jersey ⓘ |
| locatedNear | Lebanon, New Jersey ⓘ |
| manMade | true ⓘ |
| partOf |
New Jersey state park system
ⓘ
linked to:
New Jersey State Park System
Round Valley Recreation Area ⓘ |
| purpose |
recreation
ⓘ
water supply ⓘ |
| state |
New Jersey
ⓘ
linked to:
New Jersey, United States
|
| 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: Round Valley Reservoir Description of subject: Round Valley Reservoir is a large man-made lake in New Jersey known for its deep, clear waters, recreational fishing, boating, and surrounding wilderness areas.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Round Valley Reservoir