Method and system for updating object data with respect to object specifications in a product life cycle management system
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United States of America Patent
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Jun 25, 2013
Grant Date -
Oct 28, 2010
app pub date -
Apr 28, 2009
filing date -
Apr 28, 2009
priority date (Note) -
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Abstract
The invention is directed to a Product Lifecycle Management (PLM) update process for updating objects with respect to specifications. The process invokes dependence relations between objects. It relies on building a directed graph, wherein objects are the nodes of the graph. An arc (also called “edge”) is directed from a second object to a first object, the latter depending on the second object according to dependence relations of the PLM system. Thus, the update can be carried by browsing the graph along the direction of the arcs in the graph. Owing to the reversion of the graph with respect to the dependence of objects, the simple solution of the invention guarantees that the update of an object occurs only when the ancestor object it depends on is up to date, and so on. This drastically reduces failures at update in practice.
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