System Development Inc.

Systems Development Corporation

Paul E Pitt

Edward L Glaser

Frederick Way, Iii

Thomas Edward Dechant

Louis M Galie

Method and means are disclosed for determining a particular criterion value and an associated positional value for a degree of match between the juxtaposition of a plurality of events of a query and a plurality of events of a stored data base entry. The method and means use a processing means having a plurality of data stores and a temporary store for each data store. Each data store stores a group of data values. The data values are priorly formed and represent the number of event positions between the occurrence of events in the query and the occurrence of the corresponding events in the stored data base. The processing means using the plurality data stores, the temporary stores and the data values stored therein form determined data values and sum-of-distance values which are then used by a utilizing means for in turn deriving a criterion value and a positional value corresponding to the degree of match between the query and the data base.

Data processing method and means for determining degree of match between

Method and means using order of occurrence of entries and of events within entries for creating a data base and/or for finding a predetermined degree of match between the order of occurrence of events and entries in a request and a stored data base and/or for recreating an input in the original order of occurrence from a data base representing the order of occurrence of entries and events.

Information storage and retrieval system

Data processing information storage and retrieval system having a memory. A number of modules are interconnected with the memory. Encode and decode modules operate in conjunction with the memory for compacting and expanding data. A revolve module in association with a delta module and a memory enable coded signals to be transferred into a number of unique but equivalent and related signals. A seed module enables the shortest of the equivalent signals to be located. A change module enables any one of the equivalent signals to be updated. An output module causes an equivalent signal to be converted back to the original signal representation. Pipe and brightness modules perform a discrimination function on stored information. The data processor includes programs which by unique means and methods structure and retrieve data from the data base. The retrieval may be based on an inexact match between events and entries of a request and the structured data base.

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Cypress, CA, United States of America

Paul E Pitt