ISO 24617-9:2019 pdf download – Language resource management — Semantic annotation framework — Part 9: Reference annotation framework (RAF). where the referring expression i is a single definite description. It can also be the combination of simpler referring expressions as is the case within a coordination. EXAMPLE 2 [en] I ate [[an apple] i and [an orange] j ] k , where the referring expressions i and j are part of the larger referring expression k. It can also be expressed by one or several sub-token markers, as is the case in agglutinative languages or when referring morphemes are bound...