Under what terms can the ALTO schema be used? Is there an authoritative source that I can link to? Can I re-distribute them and possibly adapt them? My use case is a [format-agnostic OCR format transformation/validation tool](/kba/ocr-schemas).
Under what terms can the ALTO schema be used? Is there an authoritative source that I can link to?
Can I re-distribute them and possibly adapt them?
My use case is a format-agnostic OCR format transformation/validation tool.