@conference {oommen1997arbitrary, title = {Arbitrary distance function estimation using discrete vector quantization}, booktitle = {Neural Networks, 1997., International Conference on}, volume = {2}, year = {1997}, pages = {1272{\textendash}1277}, publisher = {IEEE}, organization = {IEEE}, author = {Oommen, John and I. Kuban Altinel and Necati Aras} }