Titlebook: Security for Wireless Sensor Networks; Donggang Liu,Peng Ning Book 2007 Springer-Verlag US 2007 Information.Liu.Ning.Security.Sensor Netwo

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(the number of those aged 65 and older divided by the total population) between 2000 and 2025 is projected to be 17 per cent for Sub-Saharan Africa, 47 per cent for the Near East, 79 per cent for Asia (excluding Near East) and 82 per cent for LAC (U.S. Bureau of the Census 2000). Rapid mortality and

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uded in the index. Demographers at that time in coming decades. The emergence of global popu- did, of course, understand the determinants of a popula- tion aging as one of the most important demographic tion’s 978-94-024-0463-0978-1-4020-8356-3Series ISSN 1877-9204 Series E-ISSN 2215-1877

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Broadcast Authentication,entication for wireless sensor networks. Several practical tree-based broadcast authentication techniques were developed to support multiple senders, distribute parameters for .TESLA instances, and revoke the broadcast authentication capabilities of compromised senders in wireless sensor networks. O

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Book 2007odes usually have limited resources such as storage, bandwidth, computation and energy. It is often undesirable to implement expensive algorithms (e. g. , frequent public key operations) on sensor nodes. Second, sensor nodes are usually deployed unattended and built without compromise prevention in

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10) [World Health Organization (WHO), 1992, pp. 273–276], specifies three types of anxiety disorders within the group of emotional disorders with a set specific to childhood, namely, separation anxiety, phobic anxiety, and social anxiety. It qualifies this categorization, though, with the statement