IDO Corporation
E629083
IDO Corporation was a Japanese telecommunications company that became a key predecessor to KDDI through mergers in Japan’s mobile phone industry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IDO Corporation canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6931161 — 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: IDO Corporation Context triple: [KDDI, foundedBy, IDO Corporation]
-
A.
IDC
IDC is the commonly used abbreviation for the Inter-American Democratic Charter, a key instrument of the Organization of American States that promotes and defends democracy in the Americas.
-
B.
ITU Associates
ITU Associates are non-state entities, such as companies and organizations, that participate in and contribute to the technical and policy work of the International Telecommunication Union without being full member states.
-
C.
IMCO
IMCO is the former acronym for the International Maritime Organization, the United Nations agency responsible for regulating international shipping and maritime safety.
-
D.
Lambda Corporation
Lambda Corporation is a company historically associated with physicist Hugh Everett III, known for his work on the many-worlds interpretation of quantum mechanics.
-
E.
IDT
IDT is the daylight saving time zone used in Israel, typically observed during the summer months.
- 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: IDO Corporation Target entity description: IDO Corporation was a Japanese telecommunications company that became a key predecessor to KDDI through mergers in Japan’s mobile phone industry.
-
A.
IDC
IDC is the commonly used abbreviation for the Inter-American Democratic Charter, a key instrument of the Organization of American States that promotes and defends democracy in the Americas.
-
B.
ITU Associates
ITU Associates are non-state entities, such as companies and organizations, that participate in and contribute to the technical and policy work of the International Telecommunication Union without being full member states.
-
C.
IMCO
IMCO is the former acronym for the International Maritime Organization, the United Nations agency responsible for regulating international shipping and maritime safety.
-
D.
Lambda Corporation
Lambda Corporation is a company historically associated with physicist Hugh Everett III, known for his work on the many-worlds interpretation of quantum mechanics.
-
E.
IDT
IDT is the daylight saving time zone used in Israel, typically observed during the summer months.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf | telecommunications company ⓘ |
| businessArea |
mobile network services
ⓘ
wireless communications ⓘ |
| companyType | corporation ⓘ |
| country | Japan ⓘ |
| countryOfIncorporation | Japan ⓘ |
| hadServiceType |
cellular telephone service
ⓘ
mobile communication service ⓘ |
| languageOfName | Japanese ⓘ |
| locatedIn | Japan ⓘ |
| mergedInto | KDDI ⓘ |
| notableFor |
being a predecessor of KDDI
ⓘ
participation in mergers in Japan’s mobile phone industry ⓘ |
| operatedAs |
cellular service provider
ⓘ
mobile phone operator ⓘ |
| operatedIn | Japanese mobile telecommunications market ⓘ |
| operatedInIndustry |
mobile phone industry
ⓘ
telecommunications industry ⓘ |
| predecessorOf | KDDI ⓘ |
| regionServed | Japan ⓘ |
| roleInHistory | key predecessor to KDDI ⓘ |
| status | defunct ⓘ |
| successor | KDDI ⓘ |
| wasPartOf | Japan mobile phone industry consolidation ⓘ |
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: IDO Corporation Description of subject: IDO Corporation was a Japanese telecommunications company that became a key predecessor to KDDI through mergers in Japan’s mobile phone industry.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.