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    • 4. 发明申请
    • AMORPHOUS DATA PREPARATION FOR EFFICIENT QUERY FORMULATION
    • 用于有效查询配方的非正规数据准备
    • US20150134677A1
    • 2015-05-14
    • US14076809
    • 2013-11-11
    • International Business Machines Corporation
    • TAMER E. ABUELSAADGregory Jensen BossCraig Matthew TrimAlbert Tien-Yuen Wong
    • G06F17/30
    • G06F16/242G06F16/2462G06F16/283
    • A method, system, and computer program product for amorphous data preparation for efficient query formulation are provided in the illustrative embodiments. A normalized form of representing a set of data cubes is selected, wherein the set of data cubes includes a first data cube conforming to first data representation and a second data cube conforming to a second data representation, and wherein the normalized form selects a third data representation to represent the data of each data cube in the set. A transformation is applied to the first data cube to represent the first data cube using the third data representation to create a normalized first data cube. A set of metadata elements corresponding to the normalized first data cube is computed. The normalized first data cube and the metadata of the normalized first data cube are saved in a data store.
    • 在说明性实施例中提供了用于无效数据准备用于有效查询制定的方法,系统和计算机程序产品。 选择表示一组数据立方体的归一化形式,其中所述数据立方体集合包括符合第一数据表示的第一数据立方体和符合第二数据表示的第二数据立方体,并且其中所述归一化形式选择第三数据 表示来表示集合中每个数据立方体的数据。 使用第三数据表示将变换应用于第一数据立方体以表示第一数据多维数据集以创建归一化的第一数据立方体。 计算与归一化的第一数据立方体对应的一组元数据元素。 归一化的第一数据立方体和归一化的第一数据立方体的元数据被保存在数据存储器中。
    • 10. 发明授权
    • Risk management system for electric utilities
    • 电力公司风险管理系统
    • US6021402A
    • 2000-02-01
    • US869561
    • 1997-06-05
    • Samer Takriti
    • Samer Takriti
    • G06Q10/06G06Q50/06G06F17/60
    • G06Q50/06G06Q10/06Y04S10/54
    • A computer implemented risk-management system schedules the generating units of an electric utility while taking into consideration power trading with other utilities and the stochastic load on the utility system. The system provides the user with a tool that generates multiple load forecasts and allows the user to vary the fuel price between the different scenarios and the different periods of the planning horizon. The tool allows the user to model accurately the uncertain trading transactions and the changing fuel prices to meet the electric demand of customers at a minimal cost while making the maximum profit possible from power trading. The tool also allows the user to apply any set of linear constraints to fuels. A mathematical model of the problem is solved to provide the status of each generator at each time period of the planning horizon under each given scenario, the load on each generator during each period in which it is operating, an optimal fuel mix for each generating unit, and the prices for purchasing and selling power in the periods of the planning horizon.
    • 计算机实施的风险管理系统对电力公司的发电机组进行调度,同时考虑到与其他公用事业的电力交易和公用事业系统的随机负荷。 该系统为用户提供了一种工具,可以生成多个负载预测,并允许用户在不同情景和规划期间的不同时段之间改变燃油价格。 该工具允许用户准确地模拟不确定的交易交易和不断变化的燃料价格,以最小的成本满足客户的电力需求,同时从电力交易中获得最大的利润。 该工具还允许用户对燃料应用任何一组线性约束。 解决问题的数学模型,以在每个给定情景下的每个发电机的每个时间段的每个时间段提供每个发电机的状态,每个发电机在其运行的每个周期内的负载,每个发电机组的最佳燃料组合 ,以及在规划期间的买卖权价格。