Lexington Reservoir
E513046
Lexington Reservoir is a man-made lake and popular recreation area in Santa Clara County, California, used for water supply, fishing, and outdoor activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lexington Reservoir canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5018108 — 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: Lexington Reservoir Context triple: [Los Gatos Mountains, near, Lexington Reservoir]
-
A.
Lafayette Reservoir
Lafayette Reservoir is a popular man-made lake and recreation area in Lafayette, California, known for its hiking trails, fishing, boating, and scenic picnic spots.
-
B.
Croton Reservoir
Croton Reservoir is a large man-made lake in Westchester County, New York, that serves as a key component of New York City's water supply system.
-
C.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
-
D.
Greenfield Reservoir
Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
-
E.
Malden Reservoir
Malden Reservoir is a man-made water body in Massachusetts that serves as a local water supply and recreational resource within the greater Boston area.
- 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: Lexington Reservoir Target entity description: Lexington Reservoir is a man-made lake and popular recreation area in Santa Clara County, California, used for water supply, fishing, and outdoor activities.
-
A.
Lafayette Reservoir
Lafayette Reservoir is a popular man-made lake and recreation area in Lafayette, California, known for its hiking trails, fishing, boating, and scenic picnic spots.
-
B.
Croton Reservoir
Croton Reservoir is a large man-made lake in Westchester County, New York, that serves as a key component of New York City's water supply system.
-
C.
Goodwin Reservoir
Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
-
D.
Greenfield Reservoir
Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
-
E.
Malden Reservoir
Malden Reservoir is a man-made water body in Massachusetts that serves as a local water supply and recreational resource within the greater Boston area.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
body of water
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | Lexington Dam NERFINISHED ⓘ |
| hasActivity |
non-motorized boating
ⓘ
shoreline fishing ⓘ trail use ⓘ |
| hasDamType | earthen dam ⓘ |
| hasNearbyHighway | California State Route 17 NERFINISHED ⓘ |
| hasRecreationArea | Lexington Reservoir County Park NERFINISHED ⓘ |
| hasTrail | Los Gatos Creek Trail NERFINISHED ⓘ |
| impoundedBy | Lexington Dam NERFINISHED ⓘ |
| inflow | Los Gatos Creek NERFINISHED ⓘ |
| isPopularFor |
local fishing
ⓘ
scenic views ⓘ weekend recreation ⓘ |
| locatedAlong | State Route 17 NERFINISHED ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Santa Clara County ⓘ
surface form:
Santa Clara County, California
Santa Cruz Mountains NERFINISHED ⓘ |
| locatedNear | Los Gatos, California NERFINISHED ⓘ |
| locatedOn | Los Gatos Creek NERFINISHED ⓘ |
| locatedWestOf | Los Gatos NERFINISHED ⓘ |
| managedBy | Santa Clara County Parks and Recreation Department NERFINISHED ⓘ |
| manMade | true ⓘ |
| namedAfter | former town of Lexington, California ⓘ |
| nearbyCity | Los Gatos NERFINISHED ⓘ |
| operator | Santa Clara Valley Water District NERFINISHED ⓘ |
| outflow | Los Gatos Creek NERFINISHED ⓘ |
| owner | Santa Clara Valley Water District NERFINISHED ⓘ |
| partOf | Santa Clara Valley Water District reservoir system NERFINISHED ⓘ |
| primaryUse |
flood control
ⓘ
municipal water supply ⓘ recreation ⓘ |
| prohibits | swimming ⓘ |
| region | San Francisco Bay Area ⓘ |
| submerged |
site of the former town of Alma
ⓘ
site of the former town of Lexington ⓘ |
| usedFor |
boating
ⓘ
fishing ⓘ hiking ⓘ picnicking ⓘ |
| waterBodyType | reservoir ⓘ |
| waterSupplyFor | Santa Clara County 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: Lexington Reservoir Description of subject: Lexington Reservoir is a man-made lake and popular recreation area in Santa Clara County, California, used for water supply, fishing, and outdoor activities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Los Gatos Mountains
subject surface form:
State Route 17 (California)