\input zb-basic \input zb-ioport \iteman{io-port 70946553} \itemau{Liu, Yang; Liu, Yan; Zhong, Sheng-Hua; Chan, Keith C. C.} \itemti{Semi-supervised manifold ordinal regression for image ranking} \itemso{ACM Multimedia, 1393-1396 (2011).} \itemcc{} \itemut{} \itemli{doi:10.1145/2072298.2072023} \end