Yahoo! Japan Corporation
E452212
Yahoo! Japan Corporation is a major Japanese internet company operating the Yahoo! Japan portal and a wide range of online services including search, e-commerce, and digital advertising.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Yahoo! Japan | 5 |
| Yahoo! Japan Corporation canonical | 3 |
| Yahoo Japan Corporation | 2 |
| Yahoo! JAPAN | 1 |
| Yahoo! JAPAN Mail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4554885 — 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: Yahoo! Japan Corporation Context triple: [Yahoo! Japan (minority stake), ownedIn, Yahoo! Japan Corporation]
-
A.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
SoftBank Group
SoftBank Group is a Japanese multinational conglomerate holding company best known for its large-scale technology investments and telecommunications businesses.
-
C.
NTT DoCoMo
NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
-
D.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
E.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
- 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: Yahoo! Japan Corporation Target entity description: Yahoo! Japan Corporation is a major Japanese internet company operating the Yahoo! Japan portal and a wide range of online services including search, e-commerce, and digital advertising.
-
A.
Tokyu Corporation
Tokyu Corporation is a major Japanese private railway and real estate company based in Tokyo, known for operating extensive rail networks and developing commercial and residential areas, particularly around Shibuya.
-
B.
SoftBank Group
SoftBank Group is a Japanese multinational conglomerate holding company best known for its large-scale technology investments and telecommunications businesses.
-
C.
NTT DoCoMo
NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
-
D.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
E.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
internet company
ⓘ
public company ⓘ technology company ⓘ |
| areaOfBusiness |
consumer internet services
ⓘ
online platforms ⓘ |
| brand |
Yahoo! JAPAN
ⓘ
linked to:
Yahoo! Japan Corporation
|
| country | Japan ⓘ |
| focusesOn |
digital advertising
ⓘ
e-commerce platforms ⓘ search services ⓘ |
| hasBusinessModel |
e-commerce commissions
ⓘ
online advertising ⓘ transaction fees ⓘ |
| hasSubsidiary |
Yahoo! JAPAN Auctions
ⓘ
Yahoo! JAPAN Finance ⓘ
linked to:
Yahoo Finance
Yahoo! JAPAN Mail ⓘ
linked to:
Yahoo! Japan Corporation
Yahoo! JAPAN Maps ⓘ Yahoo! JAPAN News ⓘ
linked to:
Yahoo News
Yahoo! JAPAN Shopping ⓘ Yahoo! JAPAN Travel ⓘ Yahoo! JAPAN Weather ⓘ |
| hasWebsite | https://www.yahoo.co.jp/ ⓘ |
| headquartersLocation |
Japan
ⓘ
Tokyo ⓘ |
| industry |
e-commerce
ⓘ
internet services ⓘ online advertising ⓘ web search ⓘ |
| isPartOf | Z Holdings Corporation ⓘ |
| languageOfServices | Japanese ⓘ |
| market | Japanese internet market ⓘ |
| operates |
Yahoo! JAPAN portal
ⓘ
linked to:
Yahoo homepage
online auction services ⓘ online email services ⓘ online finance services ⓘ online maps services ⓘ online media services ⓘ online news services ⓘ online search engine ⓘ online shopping platforms ⓘ online travel services ⓘ online weather information services ⓘ |
| parentOrganization | Z Holdings Corporation ⓘ |
| provides |
display advertising
ⓘ
e-commerce marketplace ⓘ online marketing solutions ⓘ online payment support ⓘ search advertising ⓘ |
| regionServed | Japan ⓘ |
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: Yahoo! Japan Corporation Description of subject: Yahoo! Japan Corporation is a major Japanese internet company operating the Yahoo! Japan portal and a wide range of online services including search, e-commerce, and digital advertising.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation
linked to: Yahoo! Japan Corporation