Summa Corporation
E547383
Summa Corporation was the holding company for Howard Hughes’s business empire, overseeing diverse ventures in aviation, real estate, and entertainment.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Summa Corporation canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5790168 — 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: Summa Corporation Context triple: [Hughes Helicopters, parentOrganization, Summa Corporation]
-
A.
Taisei Corporation
Taisei Corporation is a major Japanese construction and civil engineering company known for leading large-scale infrastructure and landmark building projects in Japan and abroad.
-
B.
Takenaka Corporation
Takenaka Corporation is a major Japanese architecture, engineering, and construction firm known for designing and building prominent structures domestically and internationally.
-
C.
Obayashi Corporation
Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
-
D.
Marcus Corporation
Marcus Corporation is a U.S.-based company best known for its movie theatre and hospitality businesses, including operating cinema chains and hotels.
-
E.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
- 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: Summa Corporation Target entity description: Summa Corporation was the holding company for Howard Hughes’s business empire, overseeing diverse ventures in aviation, real estate, and entertainment.
-
A.
Taisei Corporation
Taisei Corporation is a major Japanese construction and civil engineering company known for leading large-scale infrastructure and landmark building projects in Japan and abroad.
-
B.
Takenaka Corporation
Takenaka Corporation is a major Japanese architecture, engineering, and construction firm known for designing and building prominent structures domestically and internationally.
-
C.
Obayashi Corporation
Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
-
D.
Marcus Corporation
Marcus Corporation is a U.S.-based company best known for its movie theatre and hospitality businesses, including operating cinema chains and hotels.
-
E.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | holding company ⓘ |
| activity |
consolidated Hughes’s aviation assets
ⓘ
developed and managed real estate projects ⓘ managed Howard Hughes’s business interests ⓘ operated hotels and casinos ⓘ |
| associatedWith |
Howard Hughes Medical Institute (via Hughes estate reorganization)
ⓘ
linked to:
Howard Hughes Medical Institute (trustee)
|
| controlledBy | Howard Hughes’s appointed executives ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dissolvedInto | The Howard Hughes Corporation ⓘ |
| foundedBy | Howard Hughes ⓘ |
| headquartersLocation |
Las Vegas, Nevada
ⓘ
Los Angeles, California ⓘ |
| industry |
aviation
ⓘ
conglomerate ⓘ entertainment ⓘ gaming ⓘ hospitality ⓘ real estate ⓘ |
| legalForm | privately held company ⓘ |
| namedAfter | Latin word "summa" meaning "sum" or "total" ⓘ |
| notableFor |
being central to the posthumous settlement of Howard Hughes’s estate
ⓘ
controlling large portions of the Las Vegas Strip ⓘ |
| operated |
Hughes Airwest
ⓘ
Hughes Helicopters ⓘ Hughes Hotels ⓘ Hughes Nevada Operations ⓘ Hughes Properties ⓘ Hughes real estate holdings in Las Vegas ⓘ |
| owned |
Castaways Hotel and Casino
ⓘ
linked to:
Stardust Resort and Casino
Desert Inn (Las Vegas) ⓘ
linked to:
Desert Inn
Frontier Hotel and Casino ⓘ Hughes Airport (later McCarran-related holdings) in Las Vegas area ⓘ
linked to:
Harry Reid International Airport
Landmark Hotel and Casino ⓘ Sands Hotel and Casino ⓘ Silver Slipper Casino ⓘ |
| owner | Howard Hughes ⓘ |
| parentOrganization |
Howard Hughes estate
ⓘ
linked to:
Howard Hughes
|
| predecessor | Hughes Tool Company ⓘ |
| roleInAviation | successor to Hughes’s aviation manufacturing interests ⓘ |
| roleInEntertainment | operator of casino and hotel properties in Las Vegas ⓘ |
| roleInRealEstate | major landholder in Nevada ⓘ |
| successor | The Howard Hughes Corporation ⓘ |
| timePeriod | 20th century ⓘ |
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: Summa Corporation Description of subject: Summa Corporation was the holding company for Howard Hughes’s business empire, overseeing diverse ventures in aviation, real estate, and entertainment.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.