| 摘要 |
A method and system for on-line trading and selling, e.g., in an on-line auction, are disclosed. The system provides a polytopic market data (PMD) database for use in spotting fraudulent or suspicions items for sale or trade. The system may include a Sale-it-Now feature that uses historical price data and time-to-respond values to encourage bidding close price levels at or close to historical highs. The system may include a Pareto Sale feature for multiple agents, to identify groups of stable trading arrangements. The system may include Alerts for alerting buyers, sellers or traders in the system to selling, buying, or trading opportunities.
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