Martin Erwig Markus Schneider 0001 The Honeycomb Model of Spatio-Temporal Partitions. 39-59 http://dx.doi.org/10.1007/3-540-48344-6_3 1999 conf/stdbm/1999 Spatio-Temporal Database Management db/conf/stdbm/stdbm99.html#ErwigS99