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248.324  Articles
1 of 24.833 pages  |  10  records  |  more records»
This essay provides new estimates of the number of captives carried in the Atlantic slave trade during each decade from the 1650s to the 1860s. It relies on two categories of known data—on the routes of voyages and the numbers of captives recorded on thos... see more

Most of chemical technologies are based on heterogeneous catalytic reactions (~80%). Model based tools used for design, control and monitoring of these processes require accurate kinetic parameters of these catalytic reactions. Laboratory measurements and... see more

Using newly panel data on visa restrictions for the years 2000 and 2010 in a theory-grounded gravity model, we find a robust, causal negative impact of visa restrictions on international tourist flows. By destination, the detrimental impact of this type o... see more

National Post Offices manage huge volumes of letters and parcels. Data associated to these flows are growing fast, with a great variety related to the diversity of postal products. The research described in this paper has classified all information flows ... see more

We propose an approach to forecast the short-term passenger flows of the urban rail network of Paris. Based on dynamic Bayesian networks, this approach is designed to perform even in case of incomplete data. The structure of the model is built so that the... see more

For a long time, tourism statistics were the only reliable source of information on tourism mobility. Tourism statistics are inadequate for the analysis of tourist mobility within state borders and across Schengen Borders without using registered accommod... see more

La situación actual de escasez de recursos energéticos, unido a la ineficiencia en el uso de los edificios, y al avance de la tecnología sugiere la implantación de sistemas inteligentes para un uso más sostenible. En este texto se expone el desarrollo de ... see more

The data acquisition for monitoring the water flows in real-time, which is available at any time, is needed for water management purposes. This paper aims to build a prototype of a water flow measurement system in an open channel of a rectangular weir box... see more

With the development of technology and new techniques, the need for complex cyber-physical systems is increasing. Practical example of such system with onboard control complex is unmanned aerial vehicles. When designing, developing and subsequent modifica... see more

1 of 24.833 pages  |  10  records  |  more records»