DAWAK
2011
Springer
12 years 11 months ago
2011
Springer
Data cleaning and ETL processes are usually modeled as graphs of data transformations. The involvement of the users responsible for executing these graphs over real data is importa...
IWCMC
2006
ACM
14 years 5 months ago
2006
ACM
The communication of voice over wireless local area networks (WLANs) is influenced by the choice of speech codec, packetization interval and PHY layer bit rates. These choices aï...
GLOBECOM
2008
IEEE
14 years 5 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...