QQ: A Language Metadata Toolkit for Multilingual NLP
Multilingual NLP research increasingly involves hundreds or thousands of languages across different datasets. Managing, discovering, and reporting language metadata becomes a common hurdle at these scales. We present QQ, a metadata toolkit and browser explorer. QQ compiles language metadata sources into a graph of language varieties, scripts, regions, identifiers, names, and relations, and exposes it through a Python API, a command-line interface, and a browser-based explorer. Users can normalize identifiers, retrieve metadata, traverse relations, and discover which external resources contain a language. We demonstrate QQ on three workflows: an audit of the HuggingFace Hub, linking resour...
| Authors | Wessel Poelman, Yiyi Chen, Miryam de Lhoneux |
|---|---|
| Primary category | cs.CL |
| Published | 28 February 2026 |
| Last updated at source | 31 August 2026 |
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