21. The method of claim 16 , wherein said at least one normalization rule includes replacing at least one word contained in said input text by a plurality of words.
16. The method of claim 1 , wherein transforming said input text deterministically comprises: normalizing at least one portion of said input text to obtain at least one normalized input portion by applying at least one normalization rule to said input text; deterministically transforming said at least one normalized input portion to obtain at least one transformed normalized input portions; and including said at least one transformed normalized input portion in said processed text.