6. The apparatus for categorizing a plurality of objects as recited in claim 5, wherein said PICS label further includes a time value indicating an age of said META-tag information.
5. An apparatus for categorizing a plurality of objects which together comprise an object set, wherein a respective categorization value is associated with each object in said set, said apparatus comprising: a request handler for modifying said categorization value of one of said objects or for one of deleting one of said objects or adding a further object to said object set; data storage means for storing a global rating value which is calculated based on each categorization value of all of said objects in said object set; and compound means for recalculating said global rating value responsive to invocation of said request handler, wherein the plurality of objects are Web pages of an Internet environment, wherein each object in said set includes a header which is an HTTP header, said categorization value includes META-tag information, and said modifying means modifies said global rating value by inserting, deleting and updating said META-tag information in said HTTP header; and wherein said META-tag information is represented by a PICS label having said categorization value and a degree value.