This article presents a restricted maximum likelihood-based algorithm to estimate who influences whose opinions and to what degree when agents share their opinions over large online social networks such as Twitter. The proposed algorithm uses multi-core processing and distributed computing to...

Social science research is concerned with the study of processes and phenomena in human societies, institutions and organizations. Social phenomena are complex due to many non-linear interactions between their elements. Social simulation represents a new paradigm for understanding social...

Social media has been widely adopted as a useful business tool, especially in the domain of business to consumer marketing. However, the deployment of social media tools to business processes is hindered by the lack of concrete indicators of the effects its use has on the business process....

Sustainable development is difficult to be achieved in mountain regions because of their sensitivity to climate change. The rapid development of mountain tourism worldwide during the last years makes the goal for sustainable mountain tourism even more challenging. Key factor to the development...

This paper focuses on simulating environmental impacts on grapevine behavioral dynamics and vineyard management strategies. The methodology presented uses technology from geomatics object oriented databases and spatio-temporal data models. Our approach has two principle objectives, first, to...

In this work, the impacts of climate change on the water resources of the Olynthios River Basin in Northern Greece, were assessed. For this purpose, the climate change scenarios SRES and RCPs were used (SRES A1B, Α2 and RCP4.5, 8.5) - which were taken from two climate models, CGCM3.1/T63 and...

Cambodia is witnessing a “Goldilocks moment” in demographic change concurrent with shifts in land use, hydrology, and climate. These trends interact and affect food production, food costs, and food security. Drivers of these trends are typically examined separately with interacting factors...

Climate change is a scientific, health, political, economic, national security, environmental, moral and religious issue, among many others. The article presents the findings of a study which investigates what messages and messengers best engage young people with climate science and its...

This article describes how climate change influences nature and human life and it is the basis for social and economic development. News reporting on climate change must address the challenges in the deeper social and economic dimensions of sustainable development. The news coverage of climate...

One of the main challenges of climate change on agriculture in UK is how to adapt to the potential changes to the availability of water. Changes in rainfall distribution may potentially lead to an increase in drought frequency, magnitude and duration. In this research a Data Envelopment Analysis...