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CHOSHU·DATA
Custom Data Sourcing

Can't find the data you need? Let's source it.

If it exists in Japan, someone holds it. If it doesn't exist yet, we can build it. Start with the behavior you want from your model.
Scope

Seven capabilities, one engagement.

  1. 01

    Data-owner discovery

    We identify who in Japan holds the data: publishers, broadcasters, institutions, enterprises, communities.

  2. 02

    Rights negotiation

    We explain your use case in the owner's language and negotiate AI training terms.

  3. 03

    Original collection

    Protocol design, participant recruitment, consent, capture in Japan.

  4. 04

    Annotation

    Native annotators and domain experts, with agreement metrics.

  5. 05

    Quality verification

    Sampled native review, schema checks, written QA report.

  6. 06

    Structuring

    Cleaning, deduplication, metadata and schema design.

  7. 07

    Continuous supply

    Recurring delivery with change reporting.

What helps us respond quickly

  • The model behavior or failure you want to fix
  • Modality, language/dialect and domain
  • Intended use: pretraining, fine-tuning, evaluation
  • Rough volume, timeline and budget range
  • Any exclusivity, territory or rights constraints
Discuss Your Data Requirements →
Start here

Tell us what your model is missing.

Describe the data you need. We will respond with feasibility, rights approach and next steps.