Pieter de Groot
E611137
Pieter de Groot is a Dutch local politician who serves as the mayor of the municipality of Waddinxveen in the Netherlands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pieter de Groot canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6689017 — 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: Pieter de Groot Context triple: [Waddinxveen, hasMayor, Pieter de Groot]
-
A.
Samuel Swartwout
Samuel Swartwout was a 19th-century American politician and businessman best known for his role in a major federal embezzlement scandal while serving in the Jackson administration.
-
B.
Peter Stuyvesant
Peter Stuyvesant was the last Dutch director-general of the colony of New Netherland, best known for his authoritarian rule and for overseeing its surrender to the English, after which it became New York.
-
C.
Adolphus Philipse
Adolphus Philipse was an 18th-century New York landowner and merchant, best known for inheriting and managing a large portion of the extensive Philipse family estates in the Hudson Valley.
-
D.
Gerrit Dow
Gerrit Dow is an alternative spelling of Gerrit Dou, a renowned 17th-century Dutch Golden Age painter celebrated for his finely detailed genre scenes and mastery of light.
-
E.
Samuel Fraunces
Samuel Fraunces was an 18th-century American tavern keeper and restaurateur best known as the proprietor of Fraunces Tavern, a key meeting place during the American Revolutionary era and a site associated with George Washington.
- 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: Pieter de Groot Target entity description: Pieter de Groot is a Dutch local politician who serves as the mayor of the municipality of Waddinxveen in the Netherlands.
-
A.
Samuel Swartwout
Samuel Swartwout was a 19th-century American politician and businessman best known for his role in a major federal embezzlement scandal while serving in the Jackson administration.
-
B.
Peter Stuyvesant
Peter Stuyvesant was the last Dutch director-general of the colony of New Netherland, best known for his authoritarian rule and for overseeing its surrender to the English, after which it became New York.
-
C.
Adolphus Philipse
Adolphus Philipse was an 18th-century New York landowner and merchant, best known for inheriting and managing a large portion of the extensive Philipse family estates in the Hudson Valley.
-
D.
Gerrit Dow
Gerrit Dow is an alternative spelling of Gerrit Dou, a renowned 17th-century Dutch Golden Age painter celebrated for his finely detailed genre scenes and mastery of light.
-
E.
Samuel Fraunces
Samuel Fraunces was an 18th-century American tavern keeper and restaurateur best known as the proprietor of Fraunces Tavern, a key meeting place during the American Revolutionary era and a site associated with George Washington.
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mayor ⓘ politician ⓘ |
| continentOfCitizenship | Europe ⓘ |
| country | Netherlands ⓘ |
| countryOfAdministration | Netherlands ⓘ |
| countryOfCitizenship | Netherlands ⓘ |
| employer | municipality of Waddinxveen ⓘ |
| fieldOfWork | local politics ⓘ |
| gender | male ⓘ |
| jurisdiction | municipality of Waddinxveen ⓘ |
| languageOfWorkOrName | Dutch ⓘ |
| locatedInTheAdministrativeTerritorialEntity | South Holland ⓘ |
| notableFor | serving as mayor of Waddinxveen ⓘ |
| occupation | politician ⓘ |
| politicalRole | mayor ⓘ |
| positionHeld | mayor of Waddinxveen ⓘ |
| residence | Waddinxveen ⓘ |
| workLocation | Waddinxveen ⓘ |
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: Pieter de Groot Description of subject: Pieter de Groot is a Dutch local politician who serves as the mayor of the municipality of Waddinxveen in the Netherlands.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.