| http://www.w3.org/ns/prov#value | - Thus, suppose N is a node associated either with a loop or a zig-zag, then the purpose of ignoring loops and zig-zags from the process of stroke formation is that they can always be incorporated into the string of segments (a stroke) at a later time, provided that the particular stroke passes through the node N. Leaves, on the other hand, can subsequently be coupled to the end of the stroke if the
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