Creates n-grams from TOKEN lex items of size min-max. Breaks n-grams on SPLIT_FLAGS
Operates On: Lexical Items with TOKEN and possibly other flags as specified below.
"min": 2, "max": 3, "splitFlags": [], "ignoreOnBoundaryFlags": []
V-----------[abraham lincoln likes macaroni and cheese]-----------V ^-[abraham]-V-[lincoln]-V-[likes]-V-[macaroni]-V-[and]-V-[cheese]-^ ^---[abraham lincoln]---^---[likes macaroni]---^---[and cheese]---^ ^---[lincoln likes]---^---[macaroni and]---^ ^-----[abraham lincoln likes]-----^-----[macaroni and cheese]-----^ ^-----[likes macaroni and]-----^ ^-----[lincoln likes macaroni]-----^
No vertices are created in this stage