| 摘要 |
A network transaction system is provided for peer-to-peer commerce in private and public marketplaces among system users. The users direct criteria for access to each other and third parties at desired levels of participation in vertical markets. Automatic reply functions are activated in response to queries according to user-defined criteria. The system accommodates transactions of various kinds over networks corresponding to the private and public marketplaces, which can interface with each other according to the user-defined criteria. Inventory and catalog database functions reside on the users' computers for management by the user or client system software.
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