Research on information tips in the search box

With the rapid expansion of information in the network environment, it brings many challenges for information retrieval staff. It seems to be a pair of contradictions between the searchers´ retrieval skill and the rapid expansion of information. On the one hand, the website developers must carefully consider arranging the retrieval key words in order to ensure the users to be able to meet their needs. On the other hand, the users should also accurately utilize retrieval key words to obtain information which they need. Frequently, after retrieval, the users have already lost the interest to the website or they have wasted a lot of precious time. According to the similar users´ searching habits, information tips in the search box attempt to provide a suggestion list to the users, which can help users to ensure their own demands as soon as possible, and then help users to quickly, accurately and conveniently search the information which they want. It can not only improve the users´ satisfaction, but also reduce the website developers´ workload. This function can make the user interface more friendly and help users to avoid typing wrong words. In the paper, the authors discuss Ajax related technologies, and information tips in the search box model based on Ajax is established. Finally, this model is implemented by using Ajax.