The Levenshtein distance between two words is the minimum number of
single-character edits (insertions, deletions or substitutions) required to
change one word into the other.
N-Gram Similarity as defined by Kondrak, "N-Gram Similarity and Distance",
String Processing and Information Retrieval, Lecture Notes in Computer
Science Volume 3772, 2005, pp 115-126.
NGram(int) - Constructor for class info.debatty.java.stringsimilarity.NGram
NGram() - Constructor for class info.debatty.java.stringsimilarity.NGram