For Overseas Information On The Theme Of The Search Engines

Aiming at the characters of Overseas Chinese Affairs, and combining the technology of search engine, we design and implement the Overseas Chinese Affairs topic-special search engine.First, We research the characters of topic-special searching, and then propose the thinking of design, system structure, searching strategy, searching method and etc. Basing on an optimal searching strategy, topic-special search engine can gather more quickly topic-special new information. Meanwhile, considering the situation of Internet, we accept a searching method of human nature. Second, our search engine can parse the content of page, pretreat the page, and recognize a page involved in Overseas Chinese Affairs. Third, the search engine may extract some information by Chinese word-division, such as name and address.In conclusion, The Dissertation proposes a new approach to automatic gathering the information of Overseas Chinese Affairs, which get rid of inefficient and difficult-used approach. This not only improved efficiency, but also expands the scope of gathering the information of Overseas Chinese Affairs.