Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
This paper presents the Scalable On-Line Execution algorithm (SOLE, for short) for continuous and on-line evaluation of concurrent continuous spatio- temporal queries over data str...
An increasing number of documents in companies and other organizations are now only available electronically, and exist in several versions updated at different times. In order to...
Concept learning in content-based image retrieval (CBIR) systems is a challenging task. This paper presents an active concept learning approach based on mixture model to deal with...
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
Jianjun Chen, David J. DeWitt, Feng Tian, Yuan Wan...