Stelios Haji-Ioannou
E44551
Stelios Haji-Ioannou is a Cypriot-British entrepreneur best known as the founder of the low-cost airline easyJet and the broader "easy" family of brands.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Stelios Haji-Ioannou canonical | 29 |
| Sir Stelios Haji-Ioannou | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T344417 — 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: Stelios Haji-Ioannou Context triple: [easyJet, foundedBy, Stelios Haji-Ioannou]
-
A.
Angelo Tsakopoulos
Angelo Tsakopoulos is a prominent Greek-American real estate developer and political donor based in California.
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B.
Petros Koumoutsakos
Petros Koumoutsakos is a prominent computational scientist and engineer known for his pioneering work in fluid dynamics and multiscale simulation methods.
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C.
Markos Vafiadis
Markos Vafiadis was a prominent Greek communist military leader who commanded the Democratic Army of Greece during the Greek Civil War.
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D.
Evángelos Odysséas Papathanassíou
Evángelos Odysséas Papathanassíou, better known as Vangelis, was a Greek composer famed for his pioneering electronic music and iconic film scores such as those for "Chariots of Fire" and "Blade Runner."
-
E.
Andreas Acrivos
Andreas Acrivos was a prominent Greek-American chemical engineer and fluid dynamicist renowned for his pioneering contributions to transport phenomena and complex fluid flows.
- 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: Stelios Haji-Ioannou Target entity description: Stelios Haji-Ioannou is a Cypriot-British entrepreneur best known as the founder of the low-cost airline easyJet and the broader "easy" family of brands.
-
A.
Angelo Tsakopoulos
Angelo Tsakopoulos is a prominent Greek-American real estate developer and political donor based in California.
-
B.
Petros Koumoutsakos
Petros Koumoutsakos is a prominent computational scientist and engineer known for his pioneering work in fluid dynamics and multiscale simulation methods.
-
C.
Markos Vafiadis
Markos Vafiadis was a prominent Greek communist military leader who commanded the Democratic Army of Greece during the Greek Civil War.
-
D.
Evángelos Odysséas Papathanassíou
Evángelos Odysséas Papathanassíou, better known as Vangelis, was a Greek composer famed for his pioneering electronic music and iconic film scores such as those for "Chariots of Fire" and "Blade Runner."
-
E.
Andreas Acrivos
Andreas Acrivos was a prominent Greek-American chemical engineer and fluid dynamicist renowned for his pioneering contributions to transport phenomena and complex fluid flows.
- F. None of above. chosen
Statements (50)
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: Stelios Haji-Ioannou Description of subject: Stelios Haji-Ioannou is a Cypriot-British entrepreneur best known as the founder of the low-cost airline easyJet and the broader "easy" family of brands.
Referenced by (32)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sir Stelios Haji-Ioannou
this entity surface form:
Sir Stelios Haji-Ioannou
this entity surface form:
Sir Stelios Haji-Ioannou
subject surface form:
easyJet
subject surface form:
EasyGroup
subject surface form:
Polys Haji-Ioannou
subject surface form:
Clelia Haji-Ioannou
subject surface form:
Haji-Ioannou family