A data storage and retrieval system with optimized categorization of information items using intelligent category selection, based on the information items that are to be checked for category membership. The set of categories for which an information item may be a candidate member is
A data storage and retrieval system with parameterized category definitions and dynamically generated search indices. A parameterized category definition for a family of categories is obtained consisting of a parameterized predicate, such that parameter values can be provided with a
A system and method for applying intensional category representations to provide dynamic categorization of information items in a data storage and retrieval system is disclosed. The disclosed system may apply pattern recognition techniques during information storage and retrieval to
