KDD Corporation
E629082
KDD Corporation was a major Japanese telecommunications company that played a key role in developing Japan’s international communication networks before later becoming part of KDDI.
All labels observed (1)
| Label | Occurrences |
|---|---|
| KDD Corporation canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6931160 — 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: KDD Corporation Context triple: [KDDI, foundedBy, KDD Corporation]
-
A.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
B.
NEC Corporation
NEC Corporation is a Japanese multinational information technology and electronics company known for providing IT services, network solutions, and telecommunications equipment worldwide.
-
C.
Takenaka Corporation
Takenaka Corporation is a major Japanese architecture, engineering, and construction firm known for designing and building prominent structures domestically and internationally.
-
D.
Nippon Kobo
Nippon Kobo was a Japanese design and architecture firm active in the mid-20th century, known for its collaborations with prominent modernist designers such as Charlotte Perriand.
-
E.
Rossum Corporation
Rossum Corporation is a powerful and morally dubious tech conglomerate in the TV series "Dollhouse," responsible for the mind-wiping and imprinting technology used to control human "dolls."
- 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: KDD Corporation Target entity description: KDD Corporation was a major Japanese telecommunications company that played a key role in developing Japan’s international communication networks before later becoming part of KDDI.
-
A.
Keio Corporation
Keio Corporation is a major Japanese private railway and transportation company operating rail lines and related services in the Tokyo metropolitan area.
-
B.
NEC Corporation
NEC Corporation is a Japanese multinational information technology and electronics company known for providing IT services, network solutions, and telecommunications equipment worldwide.
-
C.
Takenaka Corporation
Takenaka Corporation is a major Japanese architecture, engineering, and construction firm known for designing and building prominent structures domestically and internationally.
-
D.
Nippon Kobo
Nippon Kobo was a Japanese design and architecture firm active in the mid-20th century, known for its collaborations with prominent modernist designers such as Charlotte Perriand.
-
E.
Rossum Corporation
Rossum Corporation is a powerful and morally dubious tech conglomerate in the TV series "Dollhouse," responsible for the mind-wiping and imprinting technology used to control human "dolls."
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese company
ⓘ
telecommunications company ⓘ |
| abbreviationOf | Kokusai Denshin Denwa ⓘ |
| businessModel | carrier’s carrier for international traffic ⓘ |
| contributedTo | expansion of Japan’s global telecommunications connectivity ⓘ |
| country | Japan ⓘ |
| headquartersLocation | Tokyo ⓘ |
| industry |
international communications
ⓘ
telecommunications ⓘ |
| keyRole | development of Japan’s international communication networks ⓘ |
| languageOfName | Japanese ⓘ |
| meaningOfAcronym |
International Telegraph and Telephone
ⓘ
linked to:
International Telephone & Telegraph
|
| mergedInto | KDDI ⓘ |
| mergerPartner |
DDI Corporation
ⓘ
IDO Corporation ⓘ |
| nativeName | 国際電信電話株式会社 ⓘ |
| networkType |
satellite earth station network
ⓘ
submarine cable network ⓘ |
| notableFor | being Japan’s primary international telecommunications carrier before liberalization ⓘ |
| operatedIn |
Japan
ⓘ
international markets ⓘ |
| predecessorOf | KDDI ⓘ |
| regulatoryEnvironment | Japanese telecommunications sector ⓘ |
| servedCustomerType |
corporate customers
ⓘ
government agencies ⓘ other telecommunications carriers ⓘ |
| serviceType |
fixed-line communications
ⓘ
international internet backbone services ⓘ international telegraph and telex ⓘ leased circuits ⓘ |
| shortName |
KDD
ⓘ
linked to:
SIGKDD
|
| specializedIn |
international data communications
ⓘ
international telephone services ⓘ satellite communications ⓘ submarine cable networks ⓘ |
| status | defunct ⓘ |
| successor | KDDI ⓘ |
| technologyDomain |
international switching
ⓘ
long-distance communications ⓘ satellite earth station technology ⓘ undersea cable technology ⓘ |
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: KDD Corporation Description of subject: KDD Corporation was a major Japanese telecommunications company that played a key role in developing Japan’s international communication networks before later becoming part of KDDI.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.