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October 1, 202610 min readAugmenting a network graph with agentic AI produces a “digital twin” that can help isolate network failures.
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August 21, 20269 min read
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July 30, 20268 min read
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Featured news
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Simplify 20212021At Amazon Last Mile, we deliver over 3.5 billion packages every year, making us one of the largest delivery companies in the world. At this scale, even small changes can have a big business impact. In general, business impact is assessed using controlled experimentation. A standard approach to evaluating whether controlled experiments resulted in a significant change has been to use a t-test. However, despite
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arXiv2021Random quantum circuits are commonly viewed as hard to simulate classically. In some regimes this has been formally conjectured — in the context of deep 2D circuits, this is the basis for Google’s recent announcement of “quantum computational supremacy” — and there had been no evidence against the more general possibility that for circuits with uniformly random gates, approximate simulation of typical instances
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QIP 20212021We consider simulating quantum systems on digital quantum computers. We show that the performance of quantum simulation can be improved by simultaneously exploiting the commutativity of Hamiltonian, the sparsity of interactions, and the prior knowledge of initial state. We achieve this using Trotterization for a class of correlated electrons that encompasses various physical systems, including the plane-wave-basis
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QIP 20212021Optimizing and estimating the overhead of existing fault tolerance schemes is a crucial step toward realizing scalable quantum computers. Many of the most promising schemes are based upon two-dimensional (2D) topological codes such as the surface and color codes, with a universal gate set consisting of readily implementable Cliffords along with the much more costly T -gate. In our work, we compare the cost
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ECIR 20212021Machine translation (MT) systems, especially when designed for an industrial setting, are trained with general parallel data derived from the Web. Thus, their style is typically driven by word/structure distribution coming from the average of many domains. In contrast, MT customers want translations to be specialized to their domain, for which they are typically able to provide text samples. We describe
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