Q-grams with tfidf Extend the whirlsystem to handle spellingerrors by using g-grams instead of words. as tokens For example: Similarity (gteway Communications, Comunications Gateway) is high a spelling error minimally affects the set of common g-grams of two strings, so the two strings "Gteway communications And Comunications Gateway have high similarity under this metric.Q-grams with tf.idf ◼ Extend the WHIRL system to handle spelling errors by using q-grams, instead of words, as tokens. ◼ For example: ◼ Similarity (Gteway Communications, Comunications Gateway) is high ◼ a spelling error minimally affects the set of common q-grams of two strings, so the two strings “Gteway Communications” And “Comunications Gateway” have high similarity under this metric. a m