The ongoing evolution of industrial field service is mainly driven by demographical changes, increasing complexity of products, and tremendous amounts of product information from enterprise information systems as well as from the emerging Internet of Things. To cope with these challenges, a combined approach utilizing semantic and mobile technologies fosters the provision of the right informati...

The population dynamics of wild boar (Sus scrofa) was studied in a time series over 26 years using data from the Regional Hunting Reserve of Somiedo (northern Spain). This population is controlled by a complex negative feedback system that acts with one (main) and two (secondary) years of delay (lags). The primary feedback might be explained by intraspecific competition for food resulting from ...

This study was based on the current growing trend of implementing e-learning in high schools. Most endeavors have been inefficient, rendering an objective of determining the initial steps that could be taken to improve these efforts by assessing a student population's computer skill levels and performances in an IT course. Demographic factors were also taken into account while formulating these...

The digital diversity generally refers to differences between individuals in likelihood of accessing and using the information technologies, specifically the Internet resources. The thrust of this attempt is to provide an overview of digital diversity. Several factors influence diversity. Digital diversity exists not only in underdeveloped and developing nations but also in the so called rich a...

This paper presents a new method for the estimation and characterization of the expected teletraac in mobile communication networks. The method considers the teletraac from the network viewpoint. The traac estimation is based on the geographic traac model, which obeys the geographical and demographical factors for the demand for mobile communication services. For the spatial teletraac character...

This study is a sociological analysis of the three dimensions of social structure including institutional, relational, and embodied structures that have an impact on the individuals' deviant behaviors in the society. The authors used a mix method to analyze the qualitative and quantitative data of 402 high risk abandoned substance users in 2008 in Tehran, capital city of Iran. The leading reaso...

This study investigates people's preconceptions of green roofs and their visual preference for different green roof design alternatives in relation to behavioral, social and demographical variables. The investigation was performed as a visual preference study using digital images created to represent eight different alternatives: gravel roof, extensive green roof with Sedums not in flower, exte...