Top-k queries are a popular type of query in Wireless Sensor Networks. Typical solutions rely on coordinated root-tonodes and nodes-to-root messages and on maintaining filters at...
Johannes Niedermayer, Mario A. Nascimento, Matthia...
Abstract: Die GfK Retail and Technology produziert Berichte f¨ur einige hundert Warengruppen auf Basis eines zentralen Data Warehouse. Die umfassenden und detailreichen, d.h. hoch...
As mobile devices get ubiquitous and grow in computational power, their management of interdependent data also becomes increasingly important. The mobile environment exhibits all ...
Subhasish Mazumdar, Mateusz Pietrzyk, Panos K. Chr...
For speed and convenience, applications routinely cache XML data locally, and access it through standard parser (SAX) or tree (DOM) interfaces. When the source of this data is a r...
Much work has been done on characterizing the workload of a database system. Previous studies focused on providing different types of statistical summaries, and modeling the run-ti...