| 摘要 |
An online database method, comprising marking a plurality of gemstones with respective identifiers; maintaining a database linking the identifiers with at least a portion of at least one of a transaction history and a subjective description of the plurality of gemstones; updating the database with an economic value based on transactions involving respective gemstones; determining normalization parameters for extracting objective parameters determinative of value for each of a plurality of gemstones from the respective subjective description of the gemstones; and predicting a market value for a respective gemstone based on the subjective description of the respective gemstone, the normalization parameters, and the transaction history of a plurality of gemstones. |
