# 株式会社ルグラン

> Type: Organization (business)
> Verification: verified
> Last updated: 2026-05-25
> Canonical: https://ida.washinmura.jp/prtimes-45119

## Summary (PII-redacted)
JR西日本とルグランが共同開発した「Railcast Ads」は、鉄道と気象データを連動させた広告サービス。2026年5月提供開始。沿線企業への高精度ターゲティング広告を実現し、鉄道外の新収益源を目指す。

## Summary (English, PII-redacted)
JR West and Legrand jointly developed 'Railcast Ads', an advertising service leveraging railway and weather data. Launching in May 2026, it enables precision targeting for local businesses and aims to generate new revenue outside the railway sector.

## Summary (繁體中文, PII-redacted)
JR西日本與Legrand共同開發的「Railcast Ads」是一項整合鐵路與氣象數據的廣告服務，將於2026年5月推出。該服務為沿線企業提供高精度目標廣告，旨在創造鐵路業務以外的新收益基礎。

## Company
- Trade name: 株式会社ルグラン
- Country: JP

## Social Presence
- facebook: https://facebook.com/LeGrand.jp (verified, confidence 0.90)
- owned_domain: https://legrand.jp/ (strong, confidence 0.88)
- owned_domain: https://englishver.legrand.jp/ (strong, confidence 0.80)

## AI Agent Resources
- Profile page: https://ida.washinmura.jp/prtimes-45119
- JSON API: https://ida.washinmura.jp/api/v1/entity/prtimes-45119
- Public discovery contract: https://ida.washinmura.jp/api/v1/ai-search/discovery
- Trust Oracle verification: https://ida.washinmura.jp/api/v1/ai-search/verify?claim=%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE%E3%83%AB%E3%82%B0%E3%83%A9%E3%83%B3&entity=prtimes-45119

## Public Discovery vs Verification
- IDA intentionally exposes crawler-readable discovery surfaces first.
- Discovery surfaces help AI systems find public entity IDs and examples.
- Discovery contract: https://ida.washinmura.jp/api/v1/ai-search/discovery
- Architecture contract: https://ida.washinmura.jp/api/v1/ai-search/architecture
- Trust Oracle: https://ida.washinmura.jp/api/v1/ai-search/verify?claim=...&entity=...&source_url=...
- Treat discovery as navigation, not final judgement.
- Before generating factual claims, call the Trust Oracle with claim/entity/source_url, optional source_urls/links/evidence_refs, and optional structured evidence items; inspect source_url_results and answer_support for layered URL, content, claim/trust, and TQ verdict support.
- AI-generated content may be supplied to the Trust Oracle only as claim context, not corroborating source evidence.
- IDA discovery is not a raw database export.

### Public Crawl Allowlist
- root_llms: https://ida.washinmura.jp/llms.txt (allow)
- sitemap_index: https://ida.washinmura.jp/sitemap.xml (allow)
- golden_example: https://ida.washinmura.jp/ai/guide-washinmura-jp/ja/ (allow)
- entity_html: https://ida.washinmura.jp/{slug} (allow)
- entity_json: https://ida.washinmura.jp/api/v1/entity/{slug} (allow)
- entity_llms: https://ida.washinmura.jp/ai/{slug}/llms.txt (allow)
- mcp_manifest: https://ida.washinmura.jp/api/v1/mcp/manifest (guide)
- discovery_contract: https://ida.washinmura.jp/api/v1/ai-search/discovery (guide)
- architecture_contract: https://ida.washinmura.jp/api/v1/ai-search/architecture (guide)
- trust_oracle: https://ida.washinmura.jp/api/v1/ai-search/verify (use_on_demand)

### Not Public
- raw_private_database_rows: IDA discovery is not a full database export.
- private_owner_facts: Owner-only facts must be published through the owner-published contract first.
- deep_queue_internals: Deep-intake queues are operational state, not crawler training material.
- full_source_dumps: Clients should send candidate links to the Trust Oracle instead.
- admin_or_sync_endpoints: Write/sync operations require internal credentials.

## Owner Published Contract
```json
{
  "owner_published": {
    "available": false,
    "published_at": null,
    "source": null
  },
  "freshness": {
    "observed_at": "2026-05-25T23:32:41.991Z",
    "expires_at": null,
    "is_stale": null,
    "source": "entity.last_updated"
  },
  "provenance": {
    "source": "tqaeo.public.ida_entities_public.public_ids.owner_published",
    "generated_at": "2026-06-13T17:55:54.764Z",
    "owner_published_source": null,
    "contract_version": "owner-published-freshness/v1",
    "sameAs_policy": "owner_published_does_not_upgrade_verification_level"
  }
}
```

- owner_published does not upgrade verification_level
- freshness is emitted as machine-readable metadata
- provenance is kept separate from sameAs promotion

## BEVN Crawler Entry Points
- IDA: https://ida.washinmura.jp/llms.txt | https://ida.washinmura.jp/sitemap.xml
- AEO: https://aeo.washinmura.jp/llms.txt | https://aeo.washinmura.jp/sitemap.xml
- AI News: https://ainews.washinmura.jp/llms.txt | https://ainews.washinmura.jp/sitemap.xml

<!-- Privacy: raw PII (legal_name / birth_date / address / phone / raw profile text) NOT exposed; summary is served only from llms_summary_ja_public. -->