In this article, the authors discuss the use of application programming interfaces (APIs) in IBM smartCloud Enterprise Version 2.2. They provide descriptions and use cases for functionalityintroduced in the 2.2 release and offer a range of API code samples, including examples of Representational State Transfer (REST), cURL, and command-line interface (CLI) commands,as well as PHP and Java code.

关键词：智能云企业；API代码；PHP；JAVA

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This article shows IBM PureFlex System administrators how to use the automationmanager function in Flex System Manager to automate responses to common cloud systemevents. Learn what the automation manager's capabilities are, how to create event automationplans with a GUI wizard, and how to reuse existing automation event plans and modify themprogramatically.

关键词：服务器；虚拟机；电子邮件服务；云计算

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OpenStack is open source software for building public and private clouds that provide anInfrastructure as a Service (IaaS) platform. Keystone is an OpenStack subproject that providesidentity services, including user authentication and authorization, for the OpenStack family ofprojects. This article shows how to configure Keystone to use a Lightweight Directory AccessProtocol (LDAP) server as its back end for identity services, instead of the default SQL backend.

关键词：LDAP树；配置；单元测试

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Traditional assembly line manufacturing is speculative, costly and environmentally unsustainable. It is speculative because it commits substantial resources—energy, materials, shipping, handling, stocking and displaying—without a guaranteed sale. It is costly because each of these resources—material, process, people and place—involves expense not encountered when a product is manufactured at the time of sale. It is environmentally unsustainable because, no matter how much recycling is done, not using the resources unless actually needed is always a better path. As part of the RAGNAROK (Research on Advancing Glass & Nonorganic Applications to Recreate Objects & Kinetics) project in HP Labs, we identified glass as a promising candidate for additive manufacturing based on 3-D printing methods. Glass is a silica-based material. With 90% of the earth’s crust composed of silicate minerals, there will be no shortage of silica resources. Glass is easy to recycle and is environmentally friendly. Glass is inexpensive but looks precious, is pleasant to the touch and is so familiar that customers will not be disappointed by its fragility— under certain conditions. A major need, and concomitantly a major challenge, for 3D printed glass is transparency. We will discuss several methods how to achieve it.

关键词：3D打印；透明玻璃

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In this report, we present a general framework for a distributed Video-on-Demand content distribution problem by formulating an optimization problem yielding a highly distributed implementation that is highly scalable and resilient to changes in demand. Our solution takes into account several individual node resource constraints including disk space, network link bandwidth, and node-I/O degree bound.

关键词：分布式视频点播；流媒体系统；网络链路带宽；约束程度

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This dissertation provides a complexity-theoretic critique of Myerson's theorem, one of Mechanism Design's crown jewels, for which Myerson was awarded the 2007 Nobel Memorial Prize in Economic Sciences. This theorem gives a remarkably crisp solution to the problem faced by a monopolist wishing to sell a single item to a number of interested, rational bidders, whose valuations for the item are distributed independently according to some given distributions; the monopolist's goal is to design an auction that will maximize her expected revenue, while at the same time incentivizing the bidders to bid their true value for the item. Myerson solves this problem of designing the revenue-maximizing auction, through an elegant transformation of the valuation space, and a reduction to the problem of designing the social welfare-maximizing auction (i.e. allocating the item to the bidder who values it the most).

关键词：拍卖；设计；复杂性

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Large-scale data analytics frameworks are shifting towards shorter task durations and larger degrees of parallelism to provide low latency. However, scheduling highly parallel jobs that complete in hundreds of milliseconds poses a major challenge for cluster schedulers, which will need to place millions of tasks per second on appropriate nodes while offering millisecond-level latency and high availability.We demonstrate that a decentralized, randomized sampling approach provides nearoptimal performance while avoiding the throughput and availability limitations of a centralized design.We implement and deploy our scheduler, Sparrow, on a real cluster and demonstrate that Sparrow performswithin 14%of an ideal scheduler.

关键词：并行工作；调度；大规模数据；分析框架

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Entanglement is at the heart of quantum mechanics. The nonlocal correlations that can be obtained from space-time separated measurements on an entangled state are a central feature which provably distinguish it from local theories. This dissertation studies entanglement through a computational viewpoint. We develop new insights into the complex nature of entanglement by studying its role in multiplayer games, in which cooperating, but noncommunicating, players interact with a referee in an attempt to win a pre-specified game. On the one hand, the nonlocal correlations that entanglement allows may enable players using it to develop new colluding strategies, defeating previously secure protocols. On the other,the richness of this new resource may also be exploited in order to design new protocols, providing solutions to problems previously deemed impossible. We explore both aspects of this dual nature of entanglement, putting limits on its strength while at the same time showing how it can be put to profit to solve new computational problems.

关键词：游戏；复杂性

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Frequency references with a low phase noise and a low temperature-induced frequency drift are important components for navigation systems, wireless communication systems,and signal processing applications. As is well known, crystal oscillators (XOs) and temperature compensated crystal oscillators (TCXOs) based on AT-cut quartz dominate this market because AT-cut quartz has outstanding frequency-temperature performance and long-term stability. However, there are drawbacks and fabrication limitations for quartz-based resonators related to down-scaling for future applications. In addition, the material properties of quartz limit the integration of the frequency references and the complementary metal-oxide semiconductor (CMOS) circuits on a single chip.

关键词：最低阶对称模式；温度补偿；半导体；芯片

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Many firms face a problem to select an assortment of products and determine their prices to maximize the total profit subject to a capacity constraint. Customers' purchase behavior follows the Multinomial Logit choice model. Our analysis shows the capacity is always fully used and the nested structure is lost when price sensitivities are product-differentiated. We propose a nonrecursive polynomial-time algorithm for the joint assortment and multi-product price optimization.

关键词：多项式Logit模型；组合优化；多产品价格优化

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