求翻译：The rapid advancement of Internet has led to a deluge of information on the Web and has caused difficulties to locate required information efficiently. With increasing of the availability information as well as no enough time to read them, document summarization technologies [1-6] have become an extremely important area of research. Document summarization can be used in many applications such as information retrieval, intelligence gathering, information extraction, text mining, and document similarity text sand news broadcasting [7-10].是什么意思？

待解决 悬赏分：1 - 离问题结束还有