@InProceedings{Kosch2005b,
author = {Kosch, Harald and Döller, Mario},
booktitle = {Multimedia and Expo, 2005. ICME 2005. IEEE International Conference on},
title = {Approximating the selectivity of multimedia range queries},
year = {2005},
address = {Amsterdam},
editor = {Smeulders, A},
month = jul,
pages = {382-385},
publisher = {IEEE Computer Society},
abstract = {This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a multimedia database query. We use the DBSCAN clustering technique for finding high density areas in the data set. Then, the selectivity is approximated with the help of a density function in combination with the volume of the query’s hypersphere. Our approach is fast and accurate which was evaluated on an image data set using the MPEG-7 Scalable Color Descriptor. The technique is integrated with the help of the extensible optimizer architecture in the Oracle multimedia database system.},
issn = {0-7803-9331-7},
language = {EN},
talktype = {none}
}