Tachyon search speeds up retrieval of similar sequences by several orders of magnitude. - Joshua Tan 001; Durga Kuchibhatla; Fernanda L. Sirota; Westley A. Sherman; Tobias Gattermayer; Chia Yee Kwoh; Frank Eisenhaber; Georg Schneider 001; Sebastian Maurer-Stroh (Bioinform., 2012)