introduction: attention to food safety and health at all stages from production to consumption is inevitable. inappropriate sanitary status of the food production, distribution and supply centers caused food-borne diseases. the aim of this study was to evaluate the environmental health indicators of halva and tahini production centers in the city of ardakan in 2013. materials & methods: this is...

Private and public clouds are getting more and more common. With them comes the need to analyze data stored by different applications in different clouds. Different clouds and applications tend to enforce the use of different data stores, which makes it even harder to aggregate information. The main outcome is that integrating different data sources requires deep knowledge on how data is stored...

Consider trade conducted via a platform, such as an online app store or a farmers market. The quality sellers choose for their products affects the surplus trade generates. Because the platform’s profit depends on that surplus, the platform can have an incentive to regulate quality. This is true even if quality is observable at time of purchase or if sellers can develop reputations concerning q...

Although many college courses adopt online tools such as Q&A online discussions, there is no easy way to evaluate their impact on learning. In this paper, we investigate a predictive relation between characteristics of discussion contributions and student performance. For modeling dynamics of conversational dialogue, speech acts (Q&A dialog roles that participants play) and emotional features c...

Online music libraries available on the Web contain a large amount of audio content that is usually the result of digitization of analogue recordings or the direct acquisition of digital sources. The acquisition process is carried out by several persons and may last a number of years, thus it is likely that the same or similar audio content is present in different versions. This paper describes...