The design and realization of open-source search engine based on Nutch

Search engines nowadays are becoming more and more necessary and popular in surfing the Internet. However, how these search engines like Google or Baidu works is unknown to many people. This paper, through a research into Open-source search engine Nutch, introduces how a common search engine works. By using Nutch, a search engine which belongs to Guizhou Normal University´s website is designed and at last, through the improvement of Nutch´s sorting algorithm and experiment, it can be found that Nutch is very suitable for working in home-search.