Sebastian de Halleux
E780003
Sebastian de Halleux is an entrepreneur best known as a co-founder of the social gaming company Playfish, which created popular Facebook and mobile games before being acquired by Electronic Arts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sebastian de Halleux canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8672388 — 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: Sebastian de Halleux Context triple: [Playfish, foundedBy, Sebastian de Halleux]
-
A.
Sébastien Jodogne
Sébastien Jodogne is a free software developer best known for creating the open-source medical imaging platform Orthanc and for his significant contributions to open healthcare technologies.
-
B.
Sébastien David
Sébastien David is a French local politician serving as the mayor of the commune of Saint-Affrique in southern France.
-
C.
Laurent Vastel
Laurent Vastel is a French local politician who serves as the mayor of the Paris suburb Fontenay-aux-Roses.
-
D.
Éric Jalton
Éric Jalton is a Guadeloupean politician who serves as the long-time mayor of Les Abymes, one of the largest communes in the French Caribbean.
-
E.
Benoit Dageville
Benoit Dageville is a French computer scientist and entrepreneur best known as a co-founder of the cloud data platform company Snowflake.
- 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: Sebastian de Halleux Target entity description: Sebastian de Halleux is an entrepreneur best known as a co-founder of the social gaming company Playfish, which created popular Facebook and mobile games before being acquired by Electronic Arts.
-
A.
Sébastien Jodogne
Sébastien Jodogne is a free software developer best known for creating the open-source medical imaging platform Orthanc and for his significant contributions to open healthcare technologies.
-
B.
Sébastien David
Sébastien David is a French local politician serving as the mayor of the commune of Saint-Affrique in southern France.
-
C.
Laurent Vastel
Laurent Vastel is a French local politician who serves as the mayor of the Paris suburb Fontenay-aux-Roses.
-
D.
Éric Jalton
Éric Jalton is a Guadeloupean politician who serves as the long-time mayor of Les Abymes, one of the largest communes in the French Caribbean.
-
E.
Benoit Dageville
Benoit Dageville is a French computer scientist and entrepreneur best known as a co-founder of the cloud data platform company Snowflake.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
businessperson
ⓘ
entrepreneur ⓘ |
| associatedWith |
Facebook platform games
ⓘ
mobile gaming ⓘ |
| businessActivity |
startup creation
ⓘ
technology ventures ⓘ |
| coFounderOf | Playfish NERFINISHED ⓘ |
| companyAcquiredBy | Electronic Arts NERFINISHED ⓘ |
| countryOfActivity |
United Kingdom
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| employer |
Electronic Arts
NERFINISHED
ⓘ
Playfish NERFINISHED ⓘ |
| fieldOfWork |
online gaming
ⓘ
social networks ⓘ |
| foundedOrganization | Playfish NERFINISHED ⓘ |
| industry |
social gaming
ⓘ
video games ⓘ |
| knownFor | co-founding Playfish ⓘ |
| notableEvent | Playfish acquisition by Electronic Arts ⓘ |
| notableFor |
building viral social games
ⓘ
early success on Facebook games platform ⓘ |
| notableWork |
mobile social games
ⓘ
social games on Facebook ⓘ |
| occupation | entrepreneur ⓘ |
| playfishPlatform |
Facebook
NERFINISHED
ⓘ
mobile ⓘ |
| playfishSpecialization | social network games ⓘ |
| roleAtPlayfish |
co-founder
ⓘ
executive ⓘ |
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: Sebastian de Halleux Description of subject: Sebastian de Halleux is an entrepreneur best known as a co-founder of the social gaming company Playfish, which created popular Facebook and mobile games before being acquired by Electronic Arts.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.