1. A computer-readable medium containing a program for indicating objects in a view of data that have annotations which, when executed by a processor, performs operations comprising: querying an annotation store to identify annotations corresponding to objects in the view; generating one or more indicia maps indicating objects in the view having the identified corresponding annotations, wherein each indicia map includes a plurality of bits and wherein each bit is set to indicate an existence of an annotation for a corresponding one of the objects in the view of data; and providing an indication of those objects in the view having the identified corresponding annotations, based on the one or more indicia maps.