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openBarter 0.2.0 extension

From: Olivier Chaussavoine <olivier(dot)chaussavoine(at)gmail(dot)com>
To: pgsql-announce(at)postgresql(dot)org
Subject: openBarter 0.2.0 extension
Date: 2011-11-25 10:21:33
Message-ID: (view raw or whole thread)
Lists: pgsql-announce
Today we announce a release openBarter 0.2.0, a postgres extension
implementing primitives of a barter market place model.

Home page:

This release is unstable for the moment.

Let me know if you have any questions!

Olivier Chaussavoine


Archaic barter has always been the result of a crumbling financial
system. However openBarter performs automatic competition of
multilateral exchanges and is nearly as liquid as a regular market
using money, maximizing usefulness of resource allocation. By
considering value as multidimensional, openBarter proposes a
regulation mean for allocation of a large diversity of scarce
ecological resources.

It implements the economic mechanisms of a regular market and allows
cyclic exchange between more than two partners (buyer and seller) in a
single transaction. Even if competition is performed between bids
(exchange proposals) , it does not require any central monetary
standard to quantify the value exchanged and express prices to be

The database finds possible relations between bids and submit draft
agreements for approval by owners. When agreements are accepted by
partners, the property of related values is exchanged between
For more information on principles,

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