Our modern society and economy moves toward a knowledge-based and service-oriented global world. With the increase of mobile network, mobile devices, and internet of things, many industries, including government departments, private firms, and research communities, offer more transparency...

Adaptability to each separate user's needs and preferences is a common concern in modern e-learning systems. Among various adaptation techniques described in recent research, collaboration support seeks to create groups that efficiently work together in order to advance user's learning. This...

Under the assumption that energy crop farmers believe the price in the previous period will prevail in the current period as well, adjusting their cultivation species accordingly, the biomass market may exhibit instability. In the present work, optimal subsidy Iopt is determined for balancing...