With the growth of the web, the amount and the nature of information available on the web encompasses many different cultures and lifestyles. One frequent requirement from web users has been to be able to select resources based on content. One approach to this problem is the Platform for Internet Content Selection (PICS) as described by Resnick and Miller []. The basic idea is to create a platform for the definition of labels attached to resources.
Each label describes a rating of a resource based on a particular rating service. It is important to
The purpose of the P3P specification is to enable:
* web-sites to specify their personal data use and disclosure practices;
* web-users to specify their expectations concerning personal data disclosure practices; and
* software agents to undertake negotiation, on behalf of the parties, in order to reach an agreement concerning the exchange of data between them.
In effect, it is to provide means whereby an individual can have sufficient information that he or she can make an informed decision on whether to permit further use of the data, or
The elements of a P3P-enabled web-context are as follows:
* personal data use and disclosure preferences expressed by web-users. A preference is a rule, or set of rules, expressed by a web-user, that determines what action(s) a user agent will take or allow when involved in a conversation or negotiation with a service. A preference might be expressed in conventional text, or as a formally defined machine-processable statement;
* personal data use and disclosure practices expressed by web-sites. A practice is a P3P clause expressed by a web-site that
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