Mace Siegel
E455993
Mace Siegel was an American real estate developer and businessman best known as a co-founder and longtime leader of The Macerich Company, one of the largest shopping center owners in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mace Siegel canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4602225 — 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: Mace Siegel Context triple: [Macerich, foundedBy, Mace Siegel]
-
A.
Winston Silver
Winston Silver is a lighter, lower-tar and nicotine variant of the Winston brand of cigarettes.
-
B.
Michael Cage
Michael Cage is a former American professional basketball player and dominant rebounder who starred in college before enjoying a long NBA career primarily in the 1980s and 1990s.
-
C.
Peter Masterson
Peter Masterson was an American actor, director, producer, and writer best known for co-writing and co-directing the film adaptation of the musical "The Best Little Whorehouse in Texas."
-
D.
Bugs Moran
Bugs Moran was a notorious American gangster and bootlegger in Chicago during the Prohibition era, best known as a rival of Al Capone and a target of the St. Valentine’s Day Massacre.
-
E.
Ross Malinger
Ross Malinger is an American former child actor best known for playing Tom Hanks’s young son in the romantic comedy film "Sleepless in Seattle."
- 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: Mace Siegel Target entity description: Mace Siegel was an American real estate developer and businessman best known as a co-founder and longtime leader of The Macerich Company, one of the largest shopping center owners in the United States.
-
A.
Winston Silver
Winston Silver is a lighter, lower-tar and nicotine variant of the Winston brand of cigarettes.
-
B.
Michael Cage
Michael Cage is a former American professional basketball player and dominant rebounder who starred in college before enjoying a long NBA career primarily in the 1980s and 1990s.
-
C.
Peter Masterson
Peter Masterson was an American actor, director, producer, and writer best known for co-writing and co-directing the film adaptation of the musical "The Best Little Whorehouse in Texas."
-
D.
Bugs Moran
Bugs Moran was a notorious American gangster and bootlegger in Chicago during the Prohibition era, best known as a rival of Al Capone and a target of the St. Valentine’s Day Massacre.
-
E.
Ross Malinger
Ross Malinger is an American former child actor best known for playing Tom Hanks’s young son in the romantic comedy film "Sleepless in Seattle."
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
American businessperson
ⓘ
businessperson ⓘ human ⓘ real estate developer ⓘ real estate investment trust ⓘ |
| businessRegion | United States of America NERFINISHED ⓘ |
| businessType | public company ⓘ |
| coFounded | The Macerich Company NERFINISHED ⓘ |
| coFounder | Mace Siegel NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| countryOfHeadquarters | United States of America NERFINISHED ⓘ |
| employer | The Macerich Company NERFINISHED ⓘ |
| fieldOfWork |
commercial real estate
ⓘ
shopping center development ⓘ |
| industry | shopping center ownership ⓘ |
| knownAs | Mace J. Siegel NERFINISHED ⓘ |
| notableFor |
being associated with one of the largest shopping center owners in the United States
ⓘ
being one of the largest shopping center owners in the United States ⓘ co-founding The Macerich Company ⓘ leadership of The Macerich Company ⓘ |
| notableWork | development of large shopping centers in the United States ⓘ |
| occupation |
businessman
ⓘ
real estate developer ⓘ |
| positionHeld |
executive at The Macerich Company
ⓘ
leader of The Macerich Company ⓘ |
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: Mace Siegel Description of subject: Mace Siegel was an American real estate developer and businessman best known as a co-founder and longtime leader of The Macerich Company, one of the largest shopping center owners in the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.