Obayashi Corporation
E440296
Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Obayashi Corporation canonical | 7 |
| Obayashi Group | 1 |
| Obayashi USA | 1 |
| PT. Obayashi Indonesia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4438072 — 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: Obayashi Corporation Context triple: [Dubai Rapid Link consortium, hasMember, Obayashi Corporation]
-
A.
Takenaka Corporation
Takenaka Corporation is a major Japanese architecture, engineering, and construction firm known for designing and building prominent structures domestically and internationally.
-
B.
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.
-
C.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
D.
Aisin Corporation
Aisin Corporation is a major Japanese automotive parts manufacturer best known as a key supplier of transmissions and other components within the Toyota Group.
-
E.
Kyo-ya Company
Kyo-ya Company is a hospitality and real estate firm best known for owning and operating prominent resort properties in Hawaii, including the historic Royal Hawaiian Hotel in Waikiki.
- 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: Obayashi Corporation Target entity description: Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
-
A.
Takenaka Corporation
Takenaka Corporation is a major Japanese architecture, engineering, and construction firm known for designing and building prominent structures domestically and internationally.
-
B.
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.
-
C.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
D.
Aisin Corporation
Aisin Corporation is a major Japanese automotive parts manufacturer best known as a key supplier of transmissions and other components within the Toyota Group.
-
E.
Kyo-ya Company
Kyo-ya Company is a hospitality and real estate firm best known for owning and operating prominent resort properties in Hawaii, including the historic Royal Hawaiian Hotel in Waikiki.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
construction company
ⓘ
engineering company ⓘ public company ⓘ |
| alsoKnownAs | Obayashi ⓘ |
| businessDivision |
building construction
ⓘ
civil engineering ⓘ engineering services ⓘ real estate ⓘ |
| coreBusiness |
commercial building construction
ⓘ
environmental and energy-related facilities ⓘ large-scale infrastructure projects ⓘ transportation infrastructure ⓘ |
| country | Japan ⓘ |
| focusesOn |
green building technologies
ⓘ
sustainable construction ⓘ |
| foundedBy | Yoshigoro Obayashi ⓘ |
| foundingLocation |
Japan
ⓘ
Osaka ⓘ |
| hasISIN | JP3190000004 ⓘ |
| hasMotto | Shaping the future with ideas and technology ⓘ |
| hasOfficialWebsite | https://www.obayashi.co.jp ⓘ |
| hasSubsidiary |
Obayashi Australia
ⓘ
Obayashi USA ⓘ
linked to:
Obayashi Corporation
PT. Obayashi Indonesia ⓘ
linked to:
Obayashi Corporation
|
| headquartersLocation |
Japan
ⓘ
Tokyo ⓘ |
| inception | 1892 ⓘ |
| industry |
civil engineering
ⓘ
construction ⓘ real estate development ⓘ |
| languageOfWork | Japanese ⓘ |
| legalForm | Kabushiki gaisha ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| memberOf |
Obayashi Group
ⓘ
linked to:
Obayashi Corporation
|
| notableProject |
Dubai Metro
ⓘ
Kansai International Airport ⓘ Roppongi Hills ⓘ Singapore MRT projects ⓘ Tokyo Bay Aqua-Line ⓘ Tokyo Skytree ⓘ |
| numberOfEmployees | over 10,000 ⓘ |
| operatesIn |
Asia
ⓘ
Europe ⓘ Japan ⓘ North America ⓘ Oceania ⓘ |
| stockExchange | Tokyo Stock Exchange ⓘ |
| tickerSymbol | 1802 ⓘ |
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: Obayashi Corporation Description of subject: Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Obayashi Corporation
linked to: Obayashi Corporation
linked to: Obayashi Corporation