Frank Hopfgartner David Hannah Nicholas Gildea Joemon M. Jose Capturing Multiple Interests in News Video Retrieval by Incorporating the Ostensive Model. 48-55 2008 PersDB http://www.vldb.org/conf/2008/workshops/WProc_PersDB/7-PersDB-Paper.pdf conf/persdb/2008 db/conf/persdb/persdb2008.html#HopfgartnerHGJ08