Waterloo
E635878
Waterloo is a city in northeastern Iowa that serves as a regional hub for industry, transportation, and education along the Cedar River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Waterloo canonical | 4 |
| City of Waterloo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6993894 — 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: Waterloo Context triple: [Iowa Highway 27, connectsCitiesInIowa, Waterloo]
-
A.
Waterloo
Waterloo is a major district in central London known for its busy railway station, cultural venues like the Southbank Centre, and proximity to landmarks such as the London Eye and the River Thames.
-
B.
Waterloo
Waterloo is a town in present-day Belgium best known as the site of Napoleon Bonaparte’s decisive defeat in 1815, which ended the Napoleonic Wars and reshaped European politics.
-
C.
Waterloo
Waterloo is a mid-sized Canadian city in southwestern Ontario known for its universities, tech industry, and role within the Kitchener–Waterloo metropolitan area.
-
D.
Waterloo
Waterloo is a coastal town in the Metropolitan Borough of Sefton, Merseyside, England, known for its stretch of beach and proximity to Liverpool.
-
E.
Waterloo
Waterloo was the original name of the settlement that later became the city of Austin, the capital of Texas.
- 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: Waterloo Target entity description: Waterloo is a city in northeastern Iowa that serves as a regional hub for industry, transportation, and education along the Cedar River.
-
A.
Waterloo
Waterloo is a town in present-day Belgium best known as the site of Napoleon Bonaparte’s decisive defeat in 1815, which ended the Napoleonic Wars and reshaped European politics.
-
B.
Waterloo
Waterloo is a mid-sized Canadian city in southwestern Ontario known for its universities, tech industry, and role within the Kitchener–Waterloo metropolitan area.
-
C.
Waterloo
Waterloo is a major district in central London known for its busy railway station, cultural venues like the Southbank Centre, and proximity to landmarks such as the London Eye and the River Thames.
-
D.
Waterloo
Waterloo is a coastal town in the Metropolitan Borough of Sefton, Merseyside, England, known for its stretch of beach and proximity to Liverpool.
-
E.
Waterloo
Waterloo was the original name of the settlement that later became the city of Austin, the capital of Texas.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | city ⓘ |
| areaCode | 319 ⓘ |
| country | United States of America ⓘ |
| county | Black Hawk County, Iowa NERFINISHED ⓘ |
| daylightSavingTimeZone |
Central Time Zone
ⓘ
surface form:
Central Daylight Time
|
| governmentType | mayor–council government ⓘ |
| hasAirport | Waterloo Regional Airport NERFINISHED ⓘ |
| hasArena | Young Arena NERFINISHED ⓘ |
| hasBotanicalGarden | Cedar Valley Arboretum & Botanic Gardens NERFINISHED ⓘ |
| hasCollege | Allen College NERFINISHED ⓘ |
| hasHighway |
Iowa Highway 21
NERFINISHED
ⓘ
U.S. Route 20 NERFINISHED ⓘ U.S. Route 63 NERFINISHED ⓘ |
| hasHistoricDistrict | Waterloo Commercial Historic District NERFINISHED ⓘ |
| hasHospital |
MercyOne Waterloo Medical Center
NERFINISHED
ⓘ
UnityPoint Health – Allen Hospital NERFINISHED ⓘ |
| hasMajorEmployer |
John Deere Waterloo Works
NERFINISHED
ⓘ
Tyson Foods NERFINISHED ⓘ UnityPoint Health NERFINISHED ⓘ Waterloo Community School District NERFINISHED ⓘ |
| hasMuseum |
Grout Museum District
NERFINISHED
ⓘ
Sullivan Brothers Iowa Veterans Museum NERFINISHED ⓘ |
| hasPark | George Wyth Memorial State Park NERFINISHED ⓘ |
| hasPostalCodePrefix | 507 ⓘ |
| hasPublicTransit | MET Transit NERFINISHED ⓘ |
| hasRailService |
Canadian National Railway
NERFINISHED
ⓘ
Iowa Northern Railway NERFINISHED ⓘ |
| hasSchoolDistrict | Waterloo Community School District NERFINISHED ⓘ |
| hasShoppingCenter | Crossroads Center NERFINISHED ⓘ |
| hasSportsTeam | Waterloo Black Hawks NERFINISHED ⓘ |
| hasUniversityCampus | Hawkeye Community College NERFINISHED ⓘ |
| isCountySeatOf | Black Hawk County, Iowa NERFINISHED ⓘ |
| locatedInMetropolitanArea | Cedar Valley region NERFINISHED ⓘ |
| locatedInRegion | Northeastern Iowa NERFINISHED ⓘ |
| locatedOnRiver | Cedar River NERFINISHED ⓘ |
| majorIndustry |
agriculture-related industry
ⓘ
education ⓘ healthcare ⓘ manufacturing ⓘ |
| namedAfter | Waterloo, Belgium NERFINISHED ⓘ |
| partOf | Waterloo–Cedar Falls metropolitan area NERFINISHED ⓘ |
| role |
regional hub for education
ⓘ
regional hub for industry ⓘ regional hub for transportation ⓘ |
| sportsTeamPlays | United States Hockey League NERFINISHED ⓘ |
| state | Iowa ⓘ |
| timeZone | Central Time Zone ⓘ |
| twinCityWith | Cedar Falls, Iowa 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: Waterloo Description of subject: Waterloo is a city in northeastern Iowa that serves as a regional hub for industry, transportation, and education along the Cedar River.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Waterloo Regional Airport
this entity surface form:
City of Waterloo
subject surface form:
Northern Iowa
subject surface form:
Women’s Rights National Historical Park