Lake Mendota
E77319
Lake Mendota is a large freshwater lake in Madison, Wisconsin, known for its recreational activities, scenic shoreline, and role as a central feature of the city and the University of Wisconsin–Madison campus.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Mendota canonical | 29 |
How this entity was disambiguated
This entity first appeared as the object of triple T553704 — 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 Mendota Context triple: [Madison, Wisconsin, United States, locatedOn, Lake Mendota]
-
A.
Lake of the Woods
Lake of the Woods is a large, island-dotted freshwater lake in northwestern Ontario that extends into Manitoba and Minnesota and is known for its fishing, boating, and scenic wilderness.
-
B.
Angle Lake
Angle Lake is a light rail station and surrounding neighborhood in SeaTac, Washington, serving as a southern terminus of Sound Transit’s Link light rail line near Seattle–Tacoma International Airport.
-
C.
Walker Lake
Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
-
D.
Woods Lake
Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
-
E.
Echo Lake
Echo Lake is a themed area within Disney's Hollywood Studios that evokes 1930s Hollywood around a central lake, featuring attractions, dining, and entertainment.
- 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 Mendota Target entity description: Lake Mendota is a large freshwater lake in Madison, Wisconsin, known for its recreational activities, scenic shoreline, and role as a central feature of the city and the University of Wisconsin–Madison campus.
-
A.
Lake of the Woods
Lake of the Woods is a large, island-dotted freshwater lake in northwestern Ontario that extends into Manitoba and Minnesota and is known for its fishing, boating, and scenic wilderness.
-
B.
Angle Lake
Angle Lake is a light rail station and surrounding neighborhood in SeaTac, Washington, serving as a southern terminus of Sound Transit’s Link light rail line near Seattle–Tacoma International Airport.
-
C.
Walker Lake
Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
-
D.
Woods Lake
Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
-
E.
Echo Lake
Echo Lake is a themed area within Disney's Hollywood Studios that evokes 1930s Hollywood around a central lake, featuring attractions, dining, and entertainment.
- F. None of above. chosen
Statements (72)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ |
| adjacentTo |
City of Madison
ⓘ
Middleton ⓘ
surface form:
City of Middleton
Westport, Massachusetts ⓘ
surface form:
Town of Westport
University of Wisconsin–Madison ⓘ
surface form:
University of Wisconsin–Madison campus
Shorewood Hills ⓘ
surface form:
Village of Shorewood Hills
|
| averageDepth |
about 12.8 meters
ⓘ
about 42 feet ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| cityOnShore |
Madison, Wisconsin, United States
ⓘ
surface form:
Madison, Wisconsin
Middleton, Wisconsin ⓘ |
| connectedTo |
Lake Kegonsa
ⓘ
Lake Monona ⓘ Lake Waubesa ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| elevationAboveSeaLevel |
about 259 meters
ⓘ
about 850 feet ⓘ |
| environmentalIssue |
algal blooms
ⓘ
nutrient pollution ⓘ |
| fishSpecies |
bluegill
ⓘ
crappie ⓘ largemouth bass ⓘ northern pike ⓘ smallmouth bass ⓘ walleye ⓘ yellow perch ⓘ |
| freezesSeasonally | yes ⓘ |
| hasBeach |
James Madison Park beach
ⓘ
Tenney Park beach ⓘ
surface form:
Marshall Park beach
Spring Harbor beach ⓘ Tenney Park beach ⓘ Warner Park beach ⓘ |
| hasFacility |
Memorial Union Terrace
ⓘ
UW–Madison Hoofers Sailing Club ⓘ |
| hasIsland |
Governor’s Island
ⓘ
Picnic Point peninsula ⓘ |
| hasTrailNearby | Lakeshore Path (UW–Madison) ⓘ |
| inflow |
Pheasant Branch Creek
ⓘ
Sixmile Creek ⓘ Spring Harbor ⓘ Yahara River watershed ⓘ
surface form:
Yahara River
|
| knownFor |
fishing
ⓘ
ice fishing ⓘ ice skating ⓘ recreational boating ⓘ sailing ⓘ scenic shoreline ⓘ sunsets over the water ⓘ winter ice cover ⓘ |
| locatedIn |
Dane County
ⓘ
surface form:
Dane County, Wisconsin
Madison, Wisconsin, United States ⓘ
surface form:
Madison, Wisconsin
Wisconsin ⓘ |
| maximumDepth |
about 25 meters
ⓘ
about 83 feet ⓘ |
| monitoredBy | University of Wisconsin–Madison Center for Limnology ⓘ |
| nickname | “the most studied lake in the world” ⓘ |
| outflow |
Yahara River watershed
ⓘ
surface form:
Yahara River
|
| partOf |
Yahara River watershed
ⓘ
surface form:
Yahara River chain of lakes
|
| recreation |
canoeing
ⓘ
kayaking ⓘ snowkiting ⓘ stand-up paddleboarding ⓘ swimming ⓘ windsurfing ⓘ |
| shoreLength |
about 21 miles
ⓘ
about 34 kilometers ⓘ |
| studiedFor | limnology research ⓘ |
| surfaceArea |
about 15 square miles
ⓘ
about 39 square kilometers ⓘ |
| typicalIceCoverMonths | December to March ⓘ |
| 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: Lake Mendota Description of subject: Lake Mendota is a large freshwater lake in Madison, Wisconsin, known for its recreational activities, scenic shoreline, and role as a central feature of the city and the University of Wisconsin–Madison campus.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Spring Harbor Beach
subject surface form:
University of Wisconsin–Madison men’s rowing program