Triple

T8036589
Position Surface form Disambiguated ID Type / Status
Subject Marui Group E187122 entity
Predicate hasSubsidiary P254 FINISHED
Object M & C System Co., Ltd.
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.
 E708562 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: M & C System Co., Ltd. | Statement: [Marui Group, hasSubsidiary, M & C System Co., Ltd.]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

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

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: M & C System Co., Ltd.
Triple: [Marui Group, hasSubsidiary, M & C System Co., Ltd.]
Generated 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.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca82ae2d1081909dbfee42b41db419 elicitation completed
NER batch_69cb3f188e1c8190b92760c91d31f2df ner completed
NED1 batch_69cc56fa97ac8190a0bd646d9ec345e4 ned_source_triple completed
NED2 batch_69cc5cc2f71081909cb7c0c245368edb ned_description completed
NEDg batch_69cc58abd96c8190ab9eeaece67d5408 nedg completed
Created at: March 30, 2026, 5:22 p.m.