Boulder Reservoir
E720211
Boulder Reservoir is a popular recreational lake and water storage facility near the city of Boulder, Colorado, known for swimming, boating, fishing, and scenic mountain views.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boulder Reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8094908 — 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: Boulder Reservoir Context triple: [Boulder County, Colorado, United States, contains, Boulder Reservoir]
-
A.
Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
-
B.
Pardee Reservoir
Pardee Reservoir is a man-made lake in the Sierra Nevada foothills of California that serves as a major water storage and supply source for the East Bay region.
-
C.
Abiquiu Reservoir
Abiquiu Reservoir is a man-made lake in northern New Mexico known for its scenic desert landscape, recreational opportunities, and role in regional water storage and management.
-
D.
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.
-
E.
Pueblo Reservoir
Pueblo Reservoir is a large man-made lake in southern Colorado that serves as a key water supply, recreation area, and flood-control resource for the Pueblo region.
- 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: Boulder Reservoir Target entity description: Boulder Reservoir is a popular recreational lake and water storage facility near the city of Boulder, Colorado, known for swimming, boating, fishing, and scenic mountain views.
-
A.
Palisade Reservoir
Palisade Reservoir is a man-made lake in central Utah used primarily for irrigation, recreation, and local water storage.
-
B.
Pardee Reservoir
Pardee Reservoir is a man-made lake in the Sierra Nevada foothills of California that serves as a major water storage and supply source for the East Bay region.
-
C.
Abiquiu Reservoir
Abiquiu Reservoir is a man-made lake in northern New Mexico known for its scenic desert landscape, recreational opportunities, and role in regional water storage and management.
-
D.
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.
-
E.
Pueblo Reservoir
Pueblo Reservoir is a large man-made lake in southern Colorado that serves as a key water supply, recreation area, and flood-control resource for the Pueblo region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasAccess |
bike access
ⓘ
pedestrian access ⓘ vehicle parking ⓘ |
| hasActivity |
boating
ⓘ
canoeing ⓘ fishing ⓘ kayaking ⓘ paddleboarding ⓘ picnicking ⓘ running ⓘ sailing ⓘ swimming ⓘ walking ⓘ wildlife viewing ⓘ |
| hasAmenity |
concessions (seasonal)
ⓘ
event space ⓘ restrooms ⓘ |
| hasFeature |
boat ramp
ⓘ
marina ⓘ mountain views ⓘ picnic areas ⓘ swim beach ⓘ trails ⓘ |
| hasRegulation |
boating regulations apply
ⓘ
fishing regulations apply ⓘ no lifeguard on duty outside designated times ⓘ |
| hasViewOf |
Flatirons
ⓘ
Front Range of the Rocky Mountains ⓘ |
| isPopularWith |
local residents
ⓘ
tourists ⓘ |
| locatedIn |
Boulder County, Colorado
ⓘ
linked to:
Boulder County
|
| locatedNear | Boulder, Colorado ⓘ |
| managedBy |
City of Boulder
ⓘ
linked to:
Boulder, Colorado
|
| nearbyCity |
Gunbarrel, Colorado
ⓘ
Longmont, Colorado ⓘ
linked to:
Longmont
|
| openFor | day use ⓘ |
| ownedBy |
City of Boulder
ⓘ
linked to:
Boulder, Colorado
|
| primaryFunction | water storage ⓘ |
| region | Front Range Urban Corridor ⓘ |
| secondaryFunction | recreation ⓘ |
| state | Colorado ⓘ |
| use |
drinking water supply
ⓘ
municipal water storage ⓘ 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: Boulder Reservoir Description of subject: Boulder Reservoir is a popular recreational lake and water storage facility near the city of Boulder, Colorado, known for swimming, boating, fishing, and scenic mountain views.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.