Research And Realization Of Chinese Vertical Search Technology

The number of Chinese netizen keeps increasing with internet development. They canget all manner of information from various website. It turned out a highly-focused issuethat how to search satisfied consequence accurately in so many resources withoutvacillation. Vertical SE meets the need. It provides new retrieval service—faster, higherand more professional.The purpose of this study is to research hotspots in the field of SE technology,including:1) Research on the optimum relationship between opening threading number andCyber source overhead when spider crawls on internet. Study how to select the initial seedof spider.2) Research on word segmentation effects after some schemes that are Chinese wordsegmentation method, popular ICTCLAS, JE segmentation and paoding segmentation areembedded in vertical SE.3) Study the application of the on-line webpage clustering algorithm in Nutch. Mainlyanalyses the operational comparison between LINGO and STC in open source carrot24) Search on the voice entry, retrieval of synonyms conversion and heterogeneousdocument processing are helpful for personalization.The vertical search is a kind of target-concentrated resource search related to certaintopic.With the study on the key technology of vertical SE, the paper shows vertical SEsystem that fits for all universities of country based on Nutch frame. Through the systemtest, the experimental results show that it has good precision ration.