Angelo Tsakopoulos
E5016
Angelo Tsakopoulos is a prominent Greek-American real estate developer and political donor based in California.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Angelo Tsakopoulos canonical | 5 |
| Tsakopoulos | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12590 — 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: Angelo Tsakopoulos Context triple: [Eleni Kounalakis, parent, Angelo Tsakopoulos]
-
A.
Eleni Kounalakis
Eleni Kounalakis is an American politician and former U.S. ambassador who serves as the lieutenant governor of California.
-
B.
Kato Svanidze
Kato Svanidze was the first wife of Joseph Stalin, remembered primarily for her early death and its profound emotional impact on him.
-
C.
John V. L. Hogan
John V. L. Hogan was an American radio engineer and pioneer in early radio technology and broadcasting.
-
D.
Detlev W. Bronk
Detlev W. Bronk was an influential American scientist and educator known as a pioneer of biophysics and a prominent leader in national science policy.
-
E.
Tony James
Tony James is an American financier and executive best known as the longtime president and chief operating officer of Blackstone and for his leadership roles at major cultural institutions.
- 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: Angelo Tsakopoulos Target entity description: Angelo Tsakopoulos is a prominent Greek-American real estate developer and political donor based in California.
-
A.
Eleni Kounalakis
Eleni Kounalakis is an American politician and former U.S. ambassador who serves as the lieutenant governor of California.
-
B.
Kato Svanidze
Kato Svanidze was the first wife of Joseph Stalin, remembered primarily for her early death and its profound emotional impact on him.
-
C.
Robert Cailliau
Robert Cailliau is a Belgian computer scientist best known for co-developing the World Wide Web alongside Tim Berners-Lee at CERN.
-
D.
John V. L. Hogan
John V. L. Hogan was an American radio engineer and pioneer in early radio technology and broadcasting.
-
E.
Yurii Rubinsky
Yurii Rubinsky was a pioneering Canadian technologist, publisher, and early advocate of SGML and open digital standards who significantly influenced the development of electronic publishing.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
businessperson
ⓘ
human ⓘ philanthropist ⓘ political donor ⓘ real estate developer ⓘ |
| associatedWith |
Democratic Party (United States)
ⓘ
linked to:
Democratic Party
|
| businessRegion |
Northern California
ⓘ
Sacramento metropolitan area ⓘ
linked to:
Sacramento
|
| countryOfCitizenship | United States of America ⓘ |
| employer | AKT Development Corporation ⓘ |
| ethnicGroup | Greek American ⓘ |
| ethnicity | Greek ⓘ |
| familyName |
Tsakopoulos
ⓘ
linked to:
Angelo Tsakopoulos
|
| fieldOfWork |
land development
ⓘ
political fundraising ⓘ real estate ⓘ |
| founded | AKT Development Corporation ⓘ |
| givenName | Angelo ⓘ |
| hasChild | Eleni Kounalakis ⓘ |
| immigrationStatus | immigrant to the United States ⓘ |
| languagesSpoken |
English
ⓘ
Greek ⓘ |
| name | Angelo Tsakopoulos ⓘ |
| nationality | American ⓘ |
| nativeLanguage | Greek ⓘ |
| notableFor |
philanthropy in education
ⓘ
political fundraising ⓘ real estate development in the Sacramento region ⓘ |
| notableProject | large-scale master-planned communities in the Sacramento area ⓘ |
| notableRelative | Eleni Kounalakis ⓘ |
| occupation |
business executive
ⓘ
political donor ⓘ real estate developer ⓘ |
| philanthropicFocus |
Greek-American cultural causes
ⓘ
higher education ⓘ |
| placeOfResidence |
California
ⓘ
linked to:
California, United States
Sacramento, California ⓘ
linked to:
Sacramento
|
| politicalActivity |
donations to Democratic Party candidates
ⓘ
fundraising for national political campaigns ⓘ support for California state-level candidates ⓘ |
| religion |
Greek Orthodox Christianity
ⓘ
linked to:
Greek Orthodox Church
|
| residenceState |
California
ⓘ
linked to:
California, United States
|
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: Angelo Tsakopoulos Description of subject: Angelo Tsakopoulos is a prominent Greek-American real estate developer and political donor based in California.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Angelo Tsakopoulos