Here’s a website that tells about the ANSI X.12 Standards and has some links and discussion of their value.
The ANSI X.12 Standards Committee has their own site, and you can see the convergence of XML and EDI here.
The GS1 site represents an organization that governs several important standrds, such as bar codes and certain types of XML and EDI transactions.
EPCGlobal is the leader in electronic product codes, used in RFID applications.
This website is part of a course in information exchange.