How will link contracts reflect the large spectrum of data sharing policies?
A XDI link contract can be a blend of: a) XDI-readable policies (such as opt-in or opt-out privacy choices), b) references to other XML-readable policies, such as XACML, and c) references to human-readable policies. To the extent that link contracts are simple and machine-readable, they can become largely transparent to many routine data sharing transactions. To the extent they represent a complex and individualized relationship, they will require human review and negotiation. • Will there be standardized link contracts? Undoubtedly. Part of the goal of XDI data sharing is to simplify and automate routing data interchange tasks, so standardized link contracts reflecting best practices in cross-domain data sharing are likely to evolve as quickly as standardized credit cardholder agreements. • What is an XDI form? Just as HTML/XHTML forms are used to request data from humans, XDI forms are used to request data and form link contracts between dataweb sites. Unlike HTML forms, which are al
