: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
Abstract. Future database application systems will be designed as Service Oriented Architectures (SOAs), in contrast to today’s monolithic architectures. The decomposition in man...
Daniel Gmach, Stefan Krompass, Stefan Seltzsam, Ma...
Existing reputation systems used by online auction houses do not address the concern of a buyer shopping for commodities—finding a good bargain. These systems do not provide in...
Shai Rubin, Mihai Christodorescu, Vinod Ganapathy,...
Cyber attacks against networked computers have become relentless in recent years. The most common attack method is to exploit memory corruption vulnerabilities such as buffer ove...
Jun Xu, Peng Ning, Chongkyung Kil, Yan Zhai, Chris...
Watermarking technologies have been envisioned as a potential means for establishing ownership on digital media objects. However, achievable robustness and false-positive rates of...