Panagiotis Papapetrou Vassilis Athitsos George Kollios Dimitrios Gunopulos Reference-Based Alignment in Large Sequence Databases. 205-216 2009 2 PVLDB 1 http://www.vldb.org/pvldb/2/vldb09-320.pdf db/journals/pvldb/pvldb2.html#PapapetrouAKG09