Yin-Fu Huang Chih-Chien Chuang A Placement Strategy of Multimedia Objects Based on Temporal Relationships. 133-149 2003 80 Int. J. Comput. Math. 2 http://taylorandfrancis.metapress.com/openurl.asp?genre=article&issn=0020-7160&volume=80&issue=2&spage=133 db/journals/ijcm/ijcm80.html#HuangC03