\input zb-basic \input zb-ioport \iteman{io-port 70500934} \itemau{Cao, Lei} \itemti{Analysis on the impact factors of low-rent housing residents' income in Shanghai based on BP neural network} \itemso{ICNC, 739-742 (2011).} \itemcc{} \itemut{} \itemli{http://doi.ieeecomputersociety.org/10.1109/ICNC.2011.6022181} \end