One Graph. Many Applications.

The meaning-centric architecture that powers LangDex enables applications impossible with flat dictionary files. Query lexeme→concept→translation paths, traverse language family trees, access morphological paradigms—all via unified API.

Language Learning Apps

Move beyond flat JMDict wrappers. Traverse lexeme→concept→translation graphs with proficiency-filtered projections.

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AI & LLM Grounding

Neuro-symbolic verification via PanLex concept IDs. Structured knowledge for hallucination detection and multilingual alignment.

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Localization & Translation

Terminology provider with register (敬語/casual), domain tags, and UniMorph inflection tables. CAT tool integration ready.

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Humanitarian & Crisis Response

Crisis concept schema across 5,700+ languages. Offline-first glossaries deployable before translators arrive.

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E-Commerce & Product Data

Map product attributes to PanLex concepts. Seller uploads in Vietnamese, buyer searches in German—same concept ID.

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Academic Research

Query PHOIBLE phoneme inventories (3K+ doculects), UniMorph paradigms (150+ languages), and Glottolog genealogies (27K languoids) via unified API.

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Language Documentation

Connect field documentation to Glottolog's 27K languoid tree. CLDF export, cognate discovery, community-accessible interfaces.

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Education & Academia

JLPT/HSK/CEFR-tagged vocabulary, OpenSubtitles frequency rankings, auto-generated assessments. LMS-ready API.

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