NTT DoCoMo
E123439
NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
All labels observed (10)
| Label | Occurrences |
|---|---|
| NTT Docomo | 3 |
| NTT | 2 |
| Nippon Telegraph and Telephone Corporation | 2 |
| DoCoMo | 1 |
| NTT DoCoMo canonical | 1 |
| NTT DoCoMo USA | 1 |
| NTT Docomo Red Hurricanes | 1 |
| NTT Mobile Communications Network, Inc. | 1 |
| Nippon Telegraph and Telephone Public Corporation | 1 |
| docomo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1077295 — 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: NTT DoCoMo Context triple: [UMTS, firstCommercialOperator, NTT DoCoMo]
-
A.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
B.
SoftBank Group
SoftBank Group is a Japanese multinational conglomerate holding company best known for its large-scale technology investments and telecommunications businesses.
-
C.
Sharp Corporation
Sharp Corporation is a Japanese multinational electronics manufacturer known for its consumer electronics, display technologies, and home appliances.
-
D.
Nokia
Nokia is a Finnish multinational telecommunications and consumer electronics company best known for its historic leadership in mobile phones and its current focus on network infrastructure and 5G technologies.
-
E.
Alcatel
Alcatel is a multinational telecommunications equipment and networking company known for providing infrastructure, mobile, and broadband solutions worldwide.
- 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: NTT DoCoMo Target entity description: NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
-
A.
Tokyo Tsushin Kogyo
Tokyo Tsushin Kogyo was the original name of the Japanese electronics company that later became globally known as Sony.
-
B.
SoftBank Group
SoftBank Group is a Japanese multinational conglomerate holding company best known for its large-scale technology investments and telecommunications businesses.
-
C.
Sharp Corporation
Sharp Corporation is a Japanese multinational electronics manufacturer known for its consumer electronics, display technologies, and home appliances.
-
D.
Nokia
Nokia is a Finnish multinational telecommunications and consumer electronics company best known for its historic leadership in mobile phones and its current focus on network infrastructure and 5G technologies.
-
E.
Alcatel
Alcatel is a multinational telecommunications equipment and networking company known for providing infrastructure, mobile, and broadband solutions worldwide.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mobile network operator
ⓘ
public company ⓘ telecommunications company ⓘ |
| abbreviation |
NTT DoCoMo
self-linksurface differs
ⓘ
surface form:
DoCoMo
|
| areaServed | Japan ⓘ |
| brand |
NTT DoCoMo
self-linksurface differs
ⓘ
surface form:
docomo
|
| country | Japan ⓘ |
| customerBase | largest mobile operator in Japan by subscribers ⓘ |
| formerName |
NTT DoCoMo
self-linksurface differs
ⓘ
surface form:
NTT Mobile Communications Network, Inc.
|
| hasService |
IoT connectivity services
ⓘ
enterprise mobile solutions ⓘ machine-to-machine (M2M) services ⓘ roaming services ⓘ |
| headquartersLocation | Tokyo ⓘ |
| industry |
mobile communications
ⓘ
telecommunications ⓘ |
| knownFor |
advanced mobile technologies
ⓘ
i-mode mobile internet service ⓘ pioneering 3G mobile services ⓘ |
| languageOfName | Japanese ⓘ |
| marketPosition | Japan’s largest mobile network operator ⓘ |
| meaningOfName | derived from "Do Communications over the Mobile Network" ⓘ |
| networkStandard |
5G NR
ⓘ
LTE ⓘ UMTS ⓘ
surface form:
W-CDMA
|
| networkTechnology |
3G
ⓘ
4G LTE ⓘ 5G ⓘ |
| notableInnovation |
commercial launch of W-CDMA 3G network in Japan
ⓘ
popularization of mobile email in Japan ⓘ |
| offers |
SMS services
ⓘ
content services ⓘ mobile broadband ⓘ voice services ⓘ |
| owns |
NTT DoCoMo Asia subsidiaries
ⓘ
NTT DoCoMo self-linksurface differs ⓘ
surface form:
NTT DoCoMo USA
|
| parentCompany |
NTT DoCoMo
self-linksurface differs
ⓘ
surface form:
Nippon Telegraph and Telephone Corporation
|
| regulator |
Ministry of Internal Affairs and Communications of Japan
ⓘ
surface form:
regulated by Japan’s Ministry of Internal Affairs and Communications
|
| serviceBrand |
UMTS
ⓘ
surface form:
FOMA 3G service
Xi (crossy) LTE service ⓘ i-mode ⓘ |
| serviceType |
data communication services
ⓘ
internet services ⓘ mobile phone services ⓘ value-added mobile services ⓘ |
| stockExchange | Tokyo Stock Exchange ⓘ |
| technologyPioneerIn |
early 3G deployments
ⓘ
mobile internet services ⓘ |
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: NTT DoCoMo Description of subject: NTT DoCoMo is Japan’s largest mobile network operator, known for pioneering advanced mobile technologies and services, including early 3G deployments.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
NTT Docomo Red Hurricanes
this entity surface form:
NTT
this entity surface form:
Nippon Telegraph and Telephone Corporation
this entity surface form:
NTT Mobile Communications Network, Inc.
this entity surface form:
DoCoMo
this entity surface form:
docomo
this entity surface form:
NTT DoCoMo USA
this entity surface form:
NTT
this entity surface form:
NTT Docomo
this entity surface form:
Nippon Telegraph and Telephone Public Corporation
this entity surface form:
NTT Docomo
this entity surface form:
NTT Docomo
this entity surface form:
Nippon Telegraph and Telephone Corporation