Department of Computer Science, University of California, Irvine, CA 92697, USA Baidu Research-Big Data Lab, Beijing, 100085, China.|Department of Computer Science, University of California, Irvine, CA 92697, USA.|Broad Institute of MIT And Harvard, Cambridge, MA 02142, USA.|Broad Institute of MIT And Harvard, Cambridge, MA 02142, USA.|Department of Computer Science, University of California, Irvine, CA 92697, USA Center for Complex Biological Systems, University of California, Irvine, CA 92697, USA.