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• W3120343057 abstract "We present a synthetic prediction market whose agent purchase logic is defined using a sigmoid transformation of a convex semi-algebraic set defined in feature space. Asset prices are determined by a logarithmic scoring market rule. Time varying asset prices affect the structure of the semi-algebraic sets leading to time-varying agent purchase rules. We show that under certain assumptions on the underlying geometry, the resulting synthetic prediction market can be used to arbitrarily closely approximate a binary function defined on a set of input data. We also provide sufficient conditions for market convergence and show that under certain instances markets can exhibit limit cycles in asset spot price. We provide an evolutionary algorithm for training agent parameters to allow a market to model the distribution of a given data set and illustrate the market approximation using two open source data sets. Results are compared to standard machine learning methods." @default.
• W3120343057 created "2021-01-18" @default.
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• W3120343057 date "2021-01-05" @default.
• W3120343057 modified "2023-09-27" @default.
• W3120343057 title "Design and Analysis of a Synthetic Prediction Market using Dynamic Convex Sets" @default.
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• W3120343057 hasPublicationYear "2021" @default.
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