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Andrea Calvagna, Emiliano Tramontana and Gabriella Verga
Social network systems are constantly fed with text messages. While this enables rapid communication and global awareness, some messages could be aptly made to hurt or mislead. Automatically identifying meaningful parts of a sentence, such as, e.g., posi...
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Vladimir Ulansky and Ahmed Raza
Maintenance is an essential part of long-term overall equipment effectiveness. Therefore, it is essential to evaluate maintenance policies? effectiveness in addition to planning them. This study provides a classification of technical systems for selectin...
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Maël Renault and Vaios Lappas
The recent growth in maturity of paraffin-based hybrid propulsion systems reassesses the possibility to design an alternative Mars Ascent Vehicle (MAV) propelled by a European hybrid motor. As part of the Mars Sample Return (MSR) campaign, a Hybrid MAV w...
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Fangfang Xu, Hong Li and Dongxu Zhang
The unstable combustion problem in small-sized solid rocket engines with a large aspect ratio is so complicated that its causes remain unclear. In this study, the coupled vibration between the sound field and shell in the engines was proposed as a possib...
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Jose Juan Garcia-Hernandez, Claudia Feregrino-Uribe, Alejandra Menendez-Ortiz and Dan Williams Robledo-Cruz
In the literature, robust reversible watermarking schemes (RWSs) allow the extraction of watermarks after the images have suffered attacks; however, the modified images are compromised. On the other hand, self-recovery schemes will restore the compromise...
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