Jan de Wit
E701339
Jan de Wit is a Dutch computer programmer best known for creating the infamous Anna Kournikova email worm that spread rapidly across the internet in 2001.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jan de Wit canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7895142 — 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: Jan de Wit Context triple: [Anna Kournikova virus, author, Jan de Wit]
-
A.
Frederik de Wit
Frederik de Wit was a prominent 17th-century Dutch cartographer and publisher renowned for his richly decorated maps and atlases produced during the Dutch Golden Age of cartography.
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B.
Nicolaes de Vree
Nicolaes de Vree was a Dutch Golden Age painter known for his landscapes and still lifes.
-
C.
Cornelis de Vos
Cornelis de Vos was a prominent Flemish Baroque painter known for his refined portraits and religious scenes in early 17th-century Antwerp.
-
D.
Adriaen de Vries
Adriaen de Vries was a prominent late Mannerist Dutch sculptor renowned for his dynamic bronze figures and service at the court of Holy Roman Emperor Rudolf II in Prague.
-
E.
Cornelis van Poelenburgh
Cornelis van Poelenburgh was a Dutch Golden Age painter known for his small, finely detailed Italianate landscapes and mythological scenes.
- 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: Jan de Wit Target entity description: Jan de Wit is a Dutch computer programmer best known for creating the infamous Anna Kournikova email worm that spread rapidly across the internet in 2001.
-
A.
Frederik de Wit
Frederik de Wit was a prominent 17th-century Dutch cartographer and publisher renowned for his richly decorated maps and atlases produced during the Dutch Golden Age of cartography.
-
B.
Nicolaes de Vree
Nicolaes de Vree was a Dutch Golden Age painter known for his landscapes and still lifes.
-
C.
Cornelis de Vos
Cornelis de Vos was a prominent Flemish Baroque painter known for his refined portraits and religious scenes in early 17th-century Antwerp.
-
D.
Adriaen de Vries
Adriaen de Vries was a prominent late Mannerist Dutch sculptor renowned for his dynamic bronze figures and service at the court of Holy Roman Emperor Rudolf II in Prague.
-
E.
Cornelis van Poelenburgh
Cornelis van Poelenburgh was a Dutch Golden Age painter known for his small, finely detailed Italianate landscapes and mythological scenes.
- F. None of above. chosen
Statements (17)
| Predicate | Object |
|---|---|
| instanceOf |
Dutch person
ⓘ
computer programmer ⓘ human ⓘ |
| causeOfNotability | creation of a widely spread email worm in 2001 ⓘ |
| countryOfCitizenship | Netherlands ⓘ |
| created |
Anna Kournikova email worm
ⓘ
linked to:
Anna Kournikova virus
|
| ethnicGroup | Dutch ⓘ |
| fieldOfWork | computer programming ⓘ |
| gender | male ⓘ |
| knownAs | author of the Anna Kournikova virus ⓘ |
| notableEvent | involvement in 2001 email worm outbreak ⓘ |
| notableFor | creating the Anna Kournikova email worm ⓘ |
| notableWork | Anna Kournikova email worm ⓘ |
| occupation | computer programmer ⓘ |
| placeOfActivity | Netherlands ⓘ |
| programmingActivity | created an email worm in 2001 ⓘ |
| yearOfNotableActivity | 2001 ⓘ |
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: Jan de Wit Description of subject: Jan de Wit is a Dutch computer programmer best known for creating the infamous Anna Kournikova email worm that spread rapidly across the internet in 2001.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.