We study the problem of discovering association rules that display regular cyclic variation over time. For example, if we compute association rules over monthly sales data, we may...
We consider an environment where one or more servers carry databases that are of interest to a community of clients. The clients are only intermittently connected to the server fo...
Sameer Mahajan, Michael J. Donahoo, Shamkant B. Na...
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
Current data repositories include a variety of data types, including audio, images and time series. State of the art techniques for indexing such data and doing query processing r...
In this paper, we consider a distributed video server environment where video movies need not be stored entirely in one server. Blocks of a video movie are allowed to be distribut...
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification o...
With the growing acceptance of the Internet as a new dissemination medium, several new and interesting challenges arise in building a digital commerce infrastructure. In this arti...
Hector Garcia-Molina, Steven P. Ketchpel, Narayana...