with the rapid development of the network, The World Wide Web has become a large of information repository storing millions of information. Recently, How to find relevant information related to a specific topic has become a hot topic. An alternative way is to employ search engine to answer the query issued by users. Typical search engine is composed of three pipelined components, namely, a crawler, an indexer, and a query processor. In this paper, we give an overview design of search engines. In particular, we focus on the design ...
