[1] NLP Interchange Format (NIF) 2.0 - Core Specification (Sebastian Hellmann著, ) http://persistence.uni-leipzig.org/nlp2rdf/specification/core.html

NIF builds on the current best practices for counting strings and creating offsets. The relevant documents are:

Section 2.4, Code Points and Characters

Section 2 of RFC 5147 (for newlines all code points must be counted in NIF)

ISO 24612:2012 - Language resource management -- Linguistic annotation framework (LAF):