Dimitris Sacharidis Panagiotis Bouros Timos K. Sellis Caching Dynamic Skyline Queries. 455-472 2008 SSDBM http://dx.doi.org/10.1007/978-3-540-69497-7_29 conf/ssdbm/2008 db/conf/ssdbm/ssdbm2008.html#SacharidisBS08