folia and libfolia
FoLiA is a specification format, and libfolia is a C++ library that implements parsing and manipulation of that format—they are ecosystem siblings where the library provides programmatic access to the annotated data structure defined by the specification.
About folia
proycon/folia
FoLiA: Format for Linguistic Annotation - FoLiA is a rich XML-based annotation format for the representation of language resources (including corpora) with linguistic annotations. A wide variety of linguistic annotations are supported, making FoLiA a useful format for NLP tasks and data interchange. Note that the actual Python library for processing FoLiA is implemented as part of PyNLPl, this contains higher-level tools that use the library as well as the full documentation, validation schemas, and set definitions
About libfolia
LanguageMachines/libfolia
FoLiA library for C++
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