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    Archives

    The Research archive provides access to all Research articles published in past issues of Communications of the ACM.

    March 2017


    From Communications of the ACM

    Technical Perspective: The Power of Wi-Fi to Deliver Power

    The authors of "Powering the Next Billion Devices with Wi-Fi" turn the problem of powering wireless sensor networks on its head. Instead of focusing on energy harvesting, they focus on wireless energy transfer.

    Srinivasan Keshav | March 2017

    From Communications of the ACM

    Powering the Next Billion Devices with Wi-Fi

    Powering the Next Billion Devices with Wi-Fi

    We present the first power over Wi-Fi system that delivers power to low-power sensors and devices and works with existing Wi-Fi chipsets.

    Vamsi Talla, Bryce Kellogg, Benjamin Ransford, Saman Naderiparizi, Joshua R. Smith, Shyamnath Gollakota | March 2017

    From Communications of the ACM

    Technical Perspective: Data Distribution for Fast Joins

    What is the most drastic way to reduce the cost of communication for parallel data processing algorithms? This is the question studied in "Reasoning on Data Partitioning for Single-Round Multi-Join Evaluation in Massively Parallel…

    Leonid Libkin | March 2017

    From Communications of the ACM

    Reasoning on Data Partitioning for Single-Round Multi-Join Evaluation in Massively Parallel Systems

    Reasoning on Data Partitioning for Single-Round Multi-Join Evaluation in Massively Parallel Systems

    We introduce a framework for reasoning about data partitioning to detect when we can avoid the data reshuffling step. 

    Tom J. Ameloot, Gaetano Geck, Bas Ketsman, Frank Neven, Thomas Schwentick | March 2017
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