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Our mechanism's effectivity is within a continuing fraction of the a posteriori optimally efficient answer. Our mechanism's technical core is a variant of the online weighted bipartite matching problem the place not like prior variants during which one randomizes edge arrivals or bounds edge weights, we might revoke previously committed edges. Further, it bounds the earnings of speculators who're in the sport to acquire the cancellation fees. Our model allows the seller to cancel at any time any reservation made earlier, through which case the holder of the reservation incurs a utility loss amounting to a fraction of her value for the reservation and can also obtain a cancellation price from the vendor. They nonetheless hold if we replace items with components of a matroid and matchings with independent sets, or if all bidders have additive value for a set of items. A seller will show a set of slots in some unspecified time in the future T sooner or later. Many advertisers (bidders) use Internet methods to buy display advertisements on publishers’ webpages or on traditional media comparable to radio, Tv and newsprint.
My blog post: สูตรสล็อต pg |
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发表于 2023-2-27 05:01:08
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