Yamada Denki
E949132
Yamada Denki is one of Japan’s largest consumer electronics retail chains, operating big-box stores nationwide that sell home appliances, computers, and digital devices.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Joshin Denki | 1 |
| Yamada Denki canonical | 1 |
| Yamada Denki Web.com | 1 |
| Yamada Mobile | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11841067 — 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: Yamada Denki Context triple: [Yodobashi Camera Co., Ltd., competitor, Yamada Denki]
-
A.
Tokyo Denki
Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
-
B.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
C.
Nippon Electric Company
Nippon Electric Company, now known as NEC Corporation, is a major Japanese multinational provider of information technology and electronics solutions.
-
D.
Obayashi Corporation
Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
-
E.
Komatsu Limited
Komatsu Limited is a major Japanese multinational corporation that manufactures construction, mining, and military equipment.
- 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: Yamada Denki Target entity description: Yamada Denki is one of Japan’s largest consumer electronics retail chains, operating big-box stores nationwide that sell home appliances, computers, and digital devices.
-
A.
Tokyo Denki
Tokyo Denki was a Japanese electrical company that became a predecessor of the modern electronics conglomerate Toshiba.
-
B.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
C.
Nippon Electric Company
Nippon Electric Company, now known as NEC Corporation, is a major Japanese multinational provider of information technology and electronics solutions.
-
D.
Obayashi Corporation
Obayashi Corporation is a major Japanese construction and engineering company known for its involvement in large-scale infrastructure and building projects worldwide.
-
E.
Komatsu Limited
Komatsu Limited is a major Japanese multinational corporation that manufactures construction, mining, and military equipment.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
consumer electronics retail chain ⓘ public company ⓘ |
| businessModel |
big-box retail
ⓘ
mass-market retail ⓘ |
| coreBusinessArea |
consumer electronics retailing
ⓘ
home appliance retailing ⓘ |
| country | Japan ⓘ |
| foundedBy | Noboru Yamada NERFINISHED ⓘ |
| hasJapaneseName | 株式会社ヤマダデンキ ⓘ |
| hasLogoScript | Katakana ⓘ |
| hasOfficialWebsite | https://www.yamada-denki.jp/ ⓘ |
| hasRetailFormat |
LABI
ⓘ
Outlet and Reuse stores ⓘ Tecc Land ⓘ Yamada Mobile ⓘ
linked to:
Yamada Denki
|
| hasSubsidiary |
Housetec Inc.
ⓘ
Nihon Densan Service ⓘ Yamada Denki Web.com ⓘ
linked to:
Yamada Denki
|
| headquartersLocation | Takasaki, Gunma Prefecture, Japan ⓘ |
| inception | 1973 ⓘ |
| industry |
consumer electronics
ⓘ
home appliances ⓘ information technology products ⓘ retail ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| legalForm | Kabushiki gaisha ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| notableCharacteristic |
one of Japan’s largest consumer electronics retailers
ⓘ
operates nationwide store network in Japan ⓘ |
| offersLoyaltyProgram | point card system ⓘ |
| operatesIn | Japan ⓘ |
| productCategory |
audio-visual equipment
ⓘ
computers ⓘ digital devices ⓘ home appliances ⓘ household electronics ⓘ information technology equipment ⓘ mobile phones ⓘ |
| service |
after-sales support
ⓘ
delivery services ⓘ in-store sales ⓘ installation services ⓘ online sales ⓘ |
| shortName | Yamada ⓘ |
| stockExchange | Tokyo Stock Exchange ⓘ |
| targetMarket |
general consumers
ⓘ
small businesses ⓘ |
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: Yamada Denki Description of subject: Yamada Denki is one of Japan’s largest consumer electronics retail chains, operating big-box stores nationwide that sell home appliances, computers, and digital devices.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Yamada Denki
linked to: Yamada Denki
linked to: Yamada Denki