M & C System Co., Ltd.
E708562
M & C System Co., Ltd. is a Japanese company within the Marui Group that provides information systems and IT-related services supporting the group’s retail and financial operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| M & C System Co., Ltd. canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8036589 — 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: M & C System Co., Ltd. Context triple: [Marui Group, hasSubsidiary, M & C System Co., Ltd.]
-
A.
Martin Company
Martin Company was a major American aerospace and defense contractor known for developing missiles, spacecraft, and military systems before merging into Lockheed Martin.
-
B.
MWAK Company
MWAK Company was a major construction consortium responsible for building the Grand Coulee Dam, one of the largest concrete structures and hydroelectric power projects in the United States.
-
C.
Marcus Corporation
Marcus Corporation is a U.S.-based company best known for its movie theatre and hospitality businesses, including operating cinema chains and hotels.
-
D.
Yooshin Engineering Corporation
Yooshin Engineering Corporation is a South Korean engineering and construction firm known for its role in designing major infrastructure projects, including landmark bridges.
-
E.
Mitsubishi Plastics
Mitsubishi Plastics is a subsidiary of the Mitsubishi Group that specializes in the production and development of plastic and chemical materials for industrial and consumer applications.
- 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: M & C System Co., Ltd. Target entity description: M & C System Co., Ltd. is a Japanese company within the Marui Group that provides information systems and IT-related services supporting the group’s retail and financial operations.
-
A.
Martin Company
Martin Company was a major American aerospace and defense contractor known for developing missiles, spacecraft, and military systems before merging into Lockheed Martin.
-
B.
MWAK Company
MWAK Company was a major construction consortium responsible for building the Grand Coulee Dam, one of the largest concrete structures and hydroelectric power projects in the United States.
-
C.
Marcus Corporation
Marcus Corporation is a U.S.-based company best known for its movie theatre and hospitality businesses, including operating cinema chains and hotels.
-
D.
Yooshin Engineering Corporation
Yooshin Engineering Corporation is a South Korean engineering and construction firm known for its role in designing major infrastructure projects, including landmark bridges.
-
E.
Mitsubishi Plastics
Mitsubishi Plastics is a subsidiary of the Mitsubishi Group that specializes in the production and development of plastic and chemical materials for industrial and consumer applications.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
information technology company ⓘ |
| businessModel | business-to-business services ⓘ |
| coreFunction |
IT infrastructure support
ⓘ
IT-related services for group companies ⓘ information systems development ⓘ information systems operation ⓘ system maintenance ⓘ system operation support ⓘ |
| country | Japan ⓘ |
| focus |
supporting Marui Group financial business
ⓘ
supporting Marui Group retail business ⓘ |
| hasClient |
Marui Group Co., Ltd.
ⓘ
linked to:
Marui Group
|
| industry |
IT services
ⓘ
financial IT solutions ⓘ information systems ⓘ information technology services ⓘ retail IT solutions ⓘ systems integration ⓘ |
| languageOfOperation | Japanese ⓘ |
| locatedIn | Japan ⓘ |
| operatesInSector |
financial services
ⓘ
retail ⓘ |
| parentOrganization | Marui Group ⓘ |
| partOf | Marui Group ⓘ |
| regionServed | Japan ⓘ |
| serves |
Marui Group financial operations
ⓘ
Marui Group retail operations ⓘ |
| serviceType |
enterprise systems support
ⓘ
in-house IT 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: M & C System Co., Ltd. Description of subject: M & C System Co., Ltd. is a Japanese company within the Marui Group that provides information systems and IT-related services supporting the group’s retail and financial operations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.