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Hierarchical structure for data management

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Data management has been presented as a hierarchical structure incorporating the concepts of list processing. The ability to control the structure includes the facility to manage data at each of several levels within a compatible framework. Such a unified approach allows the proper definition of functions that might be incorporated in the actual circuit logic. The distinction between logical and physical data structures provides the user with a flexible level of data independence that is compatible with each level. This integrated approach to the management of data structures may permit the investigation of other techniques that are applicable to data retrieval. Experimental approaches to problemsolving, utilizing heuristic programs and minimaxing,8,9 have been tried and could be very useful in the area of information retrieval. The notation of sets might be a powerful technique in the specification of string or segment requirements

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

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IBM Systems Journal  (Volume:8 ,  Issue: 1 )