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Technology empowers students but can also entice them to plagiarise. To tackle this problem, plagiarism detection tools are especially useful, not only in popular thinking as a deterrent for students, but also as an educational tool to raise students' awareness of the offence and to improve their academic skills. Commercial text matching tools (e.g.(More)
Sebé and Domingo-Ferrer proposed in a recent Letter a fingerprinting scheme that exploits the properties of dual binary Hamming codes to reduce the length of fingerprints. The authors show that this scheme is subject to an attack in which a collusion of (any) three buyers can frame an innocent buyer. Introduction: Piracy of digital assets, and in particular(More)
BACKGROUND Lip metastases are rare clinical events that are frequently mistaken for other diagnoses. For sarcomatoid lung carcinoma, a rare histologic variant of non-small cell lung cancer, the incidence and pattern of cutaneous spread is poorly understood. CASE PRESENTATION We present a case of a 79-year-old African American man with a rapidly(More)
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