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FCS-Specification-Draft

v40	v41
602	602	- a list of segments (= "inventory" of all ranges used to describe annotations")
603	603	- units can be "items" (= offsets in character or token-stream) or "timestamp" (timestamps in audio-stream), timestamps may have a resolution of up to 1/1000 second.
604		- ~~to come up with the correct offsets is up to the endpoint; it must do so in a consistent manner~~. a recommendation for character streams: character := Unicode codepoint, normalized to Unicode Normalization Form KC (NFKC; Compatibility Decomposition, followed by Canonical Composition)
	604	- endpoints are responsible for choosing proper offsets for segments. they must do so in a consistent manner, i.e. in a single result (= ADV Data View instance) the chosen offsets must allow for aligning the segments of different layers. a recommendation for character streams: character := Unicode codepoint, normalized to Unicode Normalization Form KC (NFKC; Compatibility Decomposition, followed by Canonical Composition)
605	605	- segments may also have an endpoint specific reference (= URI); can be show in aggregator and if user clicks link can open a viewer (e.g. audio-player) at the endpoint
606	606	- a list of layers, each has a type (e.g. "pos", "lemma", see Layer Type identifier in section Layers above) and an layer identifier (= URI)