10 research outputs found

    Language endangerment and language documentation in Africa

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    A Formal Energy Consumption Analysis to Secure Cluster-Based WSN: A Case Study of Multi-Hop Clustering Algorithm Based on Spectral Classification Using Lightweight Blockchain

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    Wireless Sensors Networks are integrating human daily life at a fast rate. Applications cover a wide range of fields, including home security, agriculture, climate change, fire prevention, and so on and so forth. If WSN were initially flat networks, hierarchical, or cluster-based networks have been introduced in order to achieve a better performance in terms of energy efficiency, topology management, delay minimization, load balancing, routing techniques, etc. As cluster-based algorithms proved to be efficient in terms of energy balancing, security has been of less importance in the field. Data shared by nodes in a WSN can be very sensitive depending on the field of application. Therefore, it is important to ensure security at various levels of WSN. This paper proposes a formal modeling of the energy consumed to secure communications in a cluster-based WSN in general. The concept is implemented using the Proof of Authentication (POAh) paradigm of blockchain and applied to a Multi-hop Clustering Algorithm based on spectral classification. The studied metrics are residual energy in the network, the number of alive nodes, first and last dead node

    Transforming Infrastructure: Frameworks for Bringing the Fourth Industrial Revolution to Infrastructure

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    The technological advances of the Fourth Industrial Revolution have fundamentally altered society in ways both seen and unseen. This digital transformation has changed how people live and work, and everything in between. One area of daily life, however, seems to be largely missing out on this revolution: infrastructure. It remains one of the least digitally transformed sectors of the economy. While individual examples of highly advanced infrastructure systems exist, the sector at large lags behind others in innovation, a fact made all the more apparent by infrastructure’s ubiquity. When the World Economic Forum Global Future Council on Infrastructure gathered for its annual meeting in Dubai in November 2018, it sought to understand why. As it began to think through solutions, the Council found a situation full of opportunity. Infrastructure is far from being a staid industry devoid of innovation – indeed, new technologies and ideas are flourishing. Integrating these innovations, which could change the way infrastructure is designed, developed and delivered, requires aligning stakeholders, implementing effective strategies and creating fertile enabling environments. This will allow existing innovation into the space and provide opportunities for new ideas. The Council thus decided to create a guidebook, contained here, that explores major questions about how to bring the Fourth Industrial Revolution to infrastructure

    African Linguistics in the Americas, Asia and Australia.

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    This book provides an in-depth and comprehensive state-of-the-art study of African languages and language in Africa since its beginnings as a colonial science at the turn of the twentieth century in Europe

    Linguistic features and typologies in languages commonly referred to as Nilo-Saharan

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    African Linguistics in So-Called Lusophone and Hispanophone Africa and in Southern Africa

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    Afroasiatic linguistic features and typologies

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    Situated Language Use in Africa

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    Special-purpose registers of language in Africa

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