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    • 1. 发明授权
    • System and method for quantitative competition and recording medium having recorded thereon program for implementing the method
    • 用于定量竞赛的系统和方法以及在其上记录了用于实施该方法的程序的记录介质
    • US07941361B2
    • 2011-05-10
    • US12488980
    • 2009-06-22
    • Kunio KobayashiHikaru MoritaKoutarou Suzuki
    • Kunio KobayashiHikaru MoritaKoutarou Suzuki
    • G06Q40/00
    • G06Q30/06G06Q30/0601G06Q30/08G06Q40/00G06Q40/04
    • A bid-opening device 20 receives from each bidding device 10m a bidding price index γm=g(hk(IVm)) (where IVm is an initial value, hk indicates k-times processing with a one-way function h and g is a one-way function) and its identifier IDm. The received information is stored on a common bulletin board 25. Dm=hk(IVm) (where Dm=g(Dm) is generated with k set as the upper limit value K of the bidding price. The bulletin board 25 is checked for γm which matches this Dm. If no match is found, m is incremented by one, and the check for γm−Dm matching is made for each of m bidding devices. Upon completion of the matching for all the bidding devices, k is decremented by one, and a check is made for γm which matches Dm=g(hk(IVm)), and the index k for which they match is determined as the highest price bid. The bid-opening device 20 outputs that k and the identifier IDm of γm.
    • 开标装置20从投标设备10m接收投标价格指数γm= g(hk(IVm))(其中IVm是初始值,hk表示使用单向函数h进行k次处理,g为 单向功能)及其标识符IDm。 接收到的信息存储在通用公告板25上.Dm = hk(IVm)(其中,Dm = g(Dm),其中k被设置为投标价格的上限值K,检查公告板25的γm 与该Dm匹配,如果没有匹配,则m增加1,对于m个投标设备进行γm-Dm匹配检查,所有投标设备的匹配结束后,k减1 ,并且对匹配Dm = g(hk(IVm))的γm进行检查,并且将它们相匹配的索引k确定为最高价格出价,开标装置20输出该k和标识符IDm γm。
    • 2. 发明申请
    • SYSTEM AND METHOD FOR QUANTITATIVE COMPETITION AND RECORDING MEDIUM HAVING RECORDED THEREON PROGRAM FOR IMPLEMENTING THE METHOD
    • 用于定量竞争的系统和方法和具有记录的程序用于实现方法的记录介质
    • US20090276325A1
    • 2009-11-05
    • US12488980
    • 2009-06-22
    • Kunio KobayashiHikaru MoritaKoutarou Suzuki
    • Kunio KobayashiHikaru MoritaKoutarou Suzuki
    • G06Q30/00
    • G06Q30/06G06Q30/0601G06Q30/08G06Q40/00G06Q40/04
    • A bid-opening device 20 receives from each bidding device 10m a bidding price index γm=g(hk(IVm)) (where IVm is an initial value, hk indicates k-times processing with a one-way function h and g is a one-way function) and its identifier IDm. The received information is stored on a common bulletin board 25. Dm=hk(IVm) (where Dm=g(Dm) is generated with k set as the upper limit value K of the bidding price. The bulletin board 25 is checked for γm which matches this Dm. If no match is found, m is incremented by one, and the check for γm-Dm matching is made for each of m bidding devices. Upon completion of the matching for all the bidding devices, k is decremented by one, and a check is made for γm which matches Dm=g(hk(IVm)), and the index k for which they match is determined as the highest price bid. The bid-opening device 20 outputs that k and the identifier IDm of γm.
    • 出价设备20从每个投标设备10m接收投标价格指数gammam = g(hk(IVm))(其中IVm是初始值,hk表示使用单向函数h进行k次处理,g是 单向功能)及其标识符IDm。 接收到的信息存储在通用公告板25上.Dm = hk(IVm)(其中,Dm = g(Dm),其中k被设置为投标价格的上限值K,公告板25被检查为公am 与该Dm匹配,如果没有匹配,则m增加1,对于m个投标设备进行gammam-Dm匹配检查,所有投标设备的匹配完成后,k减1 ,并且对匹配Dm = g(hk(IVm))的ammam进行检查,并且将它们相匹配的索引k确定为最高价格出价,开标装置20输出该k和标识符IDm 澡堂
    • 4. 发明授权
    • System and method for quantitative competition and recording medium having recorded thereon program for implementing them
    • 用于定量竞赛的系统和方法以及在其上记录了用于实施它们的程序的记录介质
    • US07567933B1
    • 2009-07-28
    • US09619699
    • 2000-07-19
    • Kunio KobayashiHikaru MoritaKoutarou Suzuki
    • Kunio KobayashiHikaru MoritaKoutarou Suzuki
    • G06Q40/00
    • G06Q30/06G06Q30/0601G06Q30/08G06Q40/00G06Q40/04
    • A bid-opening device 20 receives from each bidding device 10m a bidding price index γm=g(hk(IVm)) (where IVm is an initial value, hk indicates k-times processing with a one-way function h and g is a one-way function) and its identifier IDm. The received information is stored on a common bulletin board 25. Dm=hk(IVm) (where Dm=g(Dm) is generated with k set as the upper limit value K of the bidding price. The bulletin board 25 is checked for γm which matches this Dm. If no match is found, m is incremented by one, and the check for γm−Dm matching is made for each of m bidding devices. Upon completion of the matching for all the bidding devices, k is decremented by one, and a check is made for γm which matches Dm=g(hk(IVm)), and the index k for which they match is determined as the highest price bid. The bid-opening device 20 outputs that k and the identifier IDm of γm.
    • 出价设备20从每个投标设备10m接收投标价格指数gammam = g(hk(IVm))(其中IVm是初始值,hk表示使用单向函数h进行k次处理,g是 单向功能)及其标识符IDm。 接收到的信息存储在通用公告板25上.Dm = hk(IVm)(其中,Dm = g(Dm),其中k被设置为投标价格的上限值K,公告板25被检查为公am 与该Dm匹配,如果没有匹配,则m增加1,对于m个投标设备进行gammam-Dm匹配检查,所有投标设备的匹配完成后,k减1 ,并且对匹配Dm = g(hk(IVm))的ammam进行检查,并且将它们相匹配的索引k确定为最高价格出价,开标装置20输出该k和标识符IDm 澡堂
    • 6. 发明授权
    • Method, apparatus and program for quantitative competition and recording medium having recorded thereon the program
    • 用于定量竞赛的方法,装置和程序以及在其上记录了程序的记录介质
    • US07676399B2
    • 2010-03-09
    • US11094183
    • 2005-03-31
    • Koji ChidaKunio KobayashiHikaru Morita
    • Koji ChidaKunio KobayashiHikaru Morita
    • G06Q30/00
    • G06Q40/04G06Q20/382G06Q30/08G06Q50/188
    • Numbers 1, 2, . . . , M are assigned to bidding prices from the minimum to maximum values V1 to VN. For a bidding value Vvi each user 11-i generates two sequences of information si={si,1, si,2, . . . , si,M} and ti={ti,1, ti,2, . . . , ti,M} such that si,1=ti,1, . . . , si,vi−1=ti,vi−1, si,vi≠ti,vi, . . . , si,M≠ti,M, then secretly sends the two sequences of information si and ti to quantitative competition apparatuses 15A and 15B, respectively, and sends hash values H1i=h(si) and H2i=h(ti) of the two sequences of information si and ti and a hash value h(Vvi∥ri) containing an intended value Vvi to a bulletin board apparatus 21. The quantitative competition apparatuses 15A and 15B extract w-th elements si,w from respective sequences s1 to sN and w-th elements ti,w from respective sequences t1 to tN, then create a concatenation Seqs,w of N elements si,w and a concatenation Seqt,w of N elements ti,w, then compare them using a one-way function without revealing their values, and, if they differ, deciding that the intended value Vvi equal to or smaller than a value Vw is present, and determines the minimum value by changing w.
    • 数字1,2,。 。 。 ,M被分配到从最小值到最大值V1到VN的出价价格。 对于出价值Vvi,每个用户11-i生成两个信息序列si = {si,1,si,2,..., 。 。 ,si,M}和ti = {ti,1,ti,2,... 。 。 ,ti,M},使得si,1 = ti,1,...。 。 。 ,si,vi-1 = ti,vi-1,si,vi≠ti,vi, 。 。 ,si,M≠ti,M,然后将两个信息序列si和ti分别秘密地发送到定量竞赛装置15A和15B,并发送二者的散列值H1i = h(si)和H2i = h(ti) 信息si和ti的序列以及包含预期值Vvi的散列值h(Vvi‖ri)到公告板装置21.定量竞赛装置15A和15B从各个序列s1到sN提取第w个元素si,w, 从相应的序列t1到tN的第w个元素ti,w,然后创建N个元素si,w的级联Seqs,w和N个元素ti,w的级联Seqt,w,然后使用单向函数进行比较而没有 揭示其值,并且如果它们不同,则确定存在等于或小于值Vw的预期值Vvi,并且通过改变w来确定最小值。