Lake Needwood
E529264
Lake Needwood is a man-made reservoir and recreational lake in Montgomery County, Maryland, popular for boating, fishing, and scenic outdoor activities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Needwood canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5011339 — 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: Lake Needwood Context triple: [Rock Creek Regional Park, hasWaterBody, Lake Needwood]
-
A.
Lake Newport
Lake Newport is a man-made residential and recreational lake located in the planned community of Reston, Virginia.
-
B.
Neely Henry Lake
Neely Henry Lake is a reservoir on the Coosa River in Alabama known for recreational boating and fishing.
-
C.
Lake Wilcox
Lake Wilcox is a kettle lake in Richmond Hill, Ontario, known as a popular local spot for recreation, nature viewing, and waterfront parks.
-
D.
Lake Hamilton
Lake Hamilton is a popular recreational reservoir near Hot Springs, Arkansas, known for boating, fishing, and lakeside vacation homes.
-
E.
Lake Decatur
Lake Decatur is a large man-made reservoir in central Illinois that serves as a primary water supply and recreational area for the city of Decatur.
- 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: Lake Needwood Target entity description: Lake Needwood is a man-made reservoir and recreational lake in Montgomery County, Maryland, popular for boating, fishing, and scenic outdoor activities.
-
A.
Lake Newport
Lake Newport is a man-made residential and recreational lake located in the planned community of Reston, Virginia.
-
B.
Neely Henry Lake
Neely Henry Lake is a reservoir on the Coosa River in Alabama known for recreational boating and fishing.
-
C.
Lake Wilcox
Lake Wilcox is a kettle lake in Richmond Hill, Ontario, known as a popular local spot for recreation, nature viewing, and waterfront parks.
-
D.
Lake Hamilton
Lake Hamilton is a popular recreational reservoir near Hot Springs, Arkansas, known for boating, fishing, and lakeside vacation homes.
-
E.
Lake Decatur
Lake Decatur is a large man-made reservoir in central Illinois that serves as a primary water supply and recreational area for the city of Decatur.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy | construction of an earthen dam ⓘ |
| formedBy | impoundment of Rock Creek ⓘ |
| governingBody | Montgomery County Department of Parks NERFINISHED ⓘ |
| hasActivity |
canoeing
ⓘ
hiking ⓘ kayaking ⓘ pedal boating ⓘ picnicking ⓘ row boating ⓘ scenic photography ⓘ trail running ⓘ wildlife viewing ⓘ |
| hasEnvironmentalConcern |
sediment accumulation
ⓘ
water quality management ⓘ |
| hasFacility |
boat launch
ⓘ
boat rental ⓘ parking lots ⓘ picnic areas ⓘ trails ⓘ |
| hasFishSpecies |
bluegill
ⓘ
catfish ⓘ crappie ⓘ largemouth bass ⓘ |
| hasNearbyFeature |
Needwood Golf Course
NERFINISHED
ⓘ
Rock Creek Trail NERFINISHED ⓘ |
| hasRegulation |
boating regulations apply
ⓘ
fishing license required ⓘ |
| hasShorelineFeature |
trails along the shore
ⓘ
wooded shoreline ⓘ |
| locatedIn |
Maryland
ⓘ
Montgomery County ⓘ
surface form:
Montgomery County, Maryland
Rockville, Maryland NERFINISHED ⓘ |
| manMade | true ⓘ |
| near | Lake Frank NERFINISHED ⓘ |
| openToPublic | true ⓘ |
| partOf |
Rock Creek Regional Park
NERFINISHED
ⓘ
Rock Creek watershed NERFINISHED ⓘ |
| use |
boating
ⓘ
fishing ⓘ flood control ⓘ recreation ⓘ wildlife habitat ⓘ |
| watercourse | Rock Creek 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: Lake Needwood Description of subject: Lake Needwood is a man-made reservoir and recreational lake in Montgomery County, Maryland, popular for boating, fishing, and scenic outdoor activities.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.