Duc A. Tran Khanh Vu Dimensionality Reduction in Hyperbolic Data Spaces: Bounding Reconstructed-Information Loss. 133-139 2008 ACIS-ICIS http://doi.ieeecomputersociety.org/10.1109/ICIS.2008.82 conf/ACISicis/2008 db/conf/ACISicis/ACISicis2008.html#TranV08