The Research Of Bank Accounting Query System Supporting Top-k Query

Today, with high efficiency and quality, electronic processing has been used by banks to replace the traditional manual bookkeeping. It helps improving the bank's overall business and competitiveness, however, in today's electronic banking accounting systems, the design of bookkeeping module and check module is not much flexible, there is still a lot of space in using new technology.This paper establishs a business model based on rating function and implements a new system by transformating from the bank's original system, focusing on the Top-k rules in the probability database of financing business. Using XML packets replacing the original fixed-length packets, the new system integrates all the process of each service running on the background core machine, this improves its efficiency and accuracy, to achieve more than one tally in a communication, and provides the critical data which the query module needs. Meanwhile, the U-Topk query and the probability database was introduced in the new system which help establishing a series of possible worlds, and has some improvements in possible worlds and algorithms of U-Topk. Eventually making a query module implements the Top-k keyword queries, provides the ranking of the bank business contribution, for senior managers to make future business strategic, helps them making the bank's development strategy decisions.