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2. 发明授权

US5270921A Virtual fare methods for a computerized airline seat inventory control system 失效
标题翻译：计算机化航空公司座位库存控制系统的虚拟费用方法
公开(公告)号：US5270921A
公开(公告)日：1993-12-14
申请号：US640077
申请日：1991-01-11
申请人： Scot W. Hornick
发明人： Scot W. Hornick
IPC分类号： G06Q10/00 , G06F15/26
CPC分类号： G06Q10/02 , G06Q10/025 , G06Q10/087
摘要： An airline seat reservation system wherein seat reservations are controlled using, in part, a computerized seat inventory control system. The seat inventory control system, based on a concept termed Network-Based Expected Marginal Seat Revenue (EMSR), does not require the large number of variables required by the other network-based approaches, and it incorporates a probabilistic demand model without resorting to computationally intractable integer programming. The seat inventory control system uses iterative leg-based methods to control bookings in a flight network comprised of a plurality of itinerary/fare class combinations using a plurality of flight legs. When considering a particular flight leg, the total fare paid by a passenger using the leg is adjusted by taking into account an estimate of the displacement cost of the travel on the other legs of the itinerary to create a virtual fare. Expected marginal seat revenues (or more precisely, their current approximations) provide the displacement costs on the legs when computing virtual fares. Using these virtual fares, a leg-based optimization method is applied to the individual legs one-by-one to compute new approximations of the expected marginal seat revenues. This method is iterated until the expected marginal seat revenues concerge to their network-optimal values.
摘要翻译：一种航空公司座位预约系统，其中使用部分地由计算机化的座位库存控制系统来控制座位预约。座位库存控制系统基于称为基于网络的预期边际座位收入（EMSR）的概念，不需要其他基于网络的方法所需的大量变量，并且它包含概率需求模型而不依赖于计算难处理的整数规划。座位库存控制系统使用迭代的基于腿的方法来使用多个飞行腿来控制由多个行程/票价组合组成的飞行网络中的预订。在考虑特定的飞行线时，由乘客使用该支腿支付的总票价是通过考虑行程另外两条行程的位移成本的估计来调整的，以便创建虚拟车费。预计边际座位收入（或更准确地说，它们目前的近似值）在计算虚拟票价时提供双腿的位移成本。使用这些虚拟票价，基于腿的优化方法逐个应用于各个腿，以计算预期边际座位收入的新近似值。这种方法被迭代，直到预期的边际座位收入与他们的网络最优值一致。

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