Handbook of Natural Language Processing and Machine Translation
Kai Yu, Mark Gales, 王岚, Philip C. Woodland · 2012
The meaning of what Lewis Carroll's Humpty Dumpty says is abundantly clear to him, but to others, it is virtually incomprehensible. Because the rules of his language are entirely of his own devising, he is the only one who knows what he means. Translation of one language into another poses a similar problem; knowing the usual meaning of a word is not enough.