Version management system

Details Version management system Version management system

1994-06-09

1998-09-08

Hayes, Gail O.

Data processing: database and file management or data structures

Database design

Data structure types

707203, G06F 1500

Patent

active

058060782

ABSTRACT:
A version management system for storing and retrieving changes to spreadsheet and word processor documents on a digital computer. The version management system is preferably integrated into the interface of existing spreadsheet or word processing software to permit a user to access a plurality of versions of spreadsheet or word processing documents. An original version of each document and all alternative versions are stored in a delta format, i.e., storing only the differences from a prior document version, in a common difference data file and version data file. A delta-formatted document will generally require less storage than an entire alternative version. Additionally, this delta formatting facilitates generating difference reports that emphasize the differences between multiple versions of a document. These difference reports are of particular value when applied to spreadsheet and word processing documents.

REFERENCES:
patent: 4809170 (1989-02-01), Leblang et al.
patent: 5231577 (1993-07-01), Koss
patent: 5303146 (1994-04-01), Ammirato et al.

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