Xerox Corporation

International Business Machines Corporation

James J Des Rivieres

Michael D Dixon

Robert M VanDuyn

Thomas G Beaman

Raymond I Mason

Robert P Ferraro

Martin Paul Nally

Frank J Budinsky

A data indexing system including a plurality of servers and a tracked resource set client is provided. Each of the servers includes a plurality of resources that are part of a resource set. Each of the servers also includes a tracked resource set corresponding to the resource set. The tracked resource set describes the plurality of resources located in the resource set. The server identifies the plurality of resources using rules of linked data. The tracked resource set client is in communication with the plurality of servers. The tracked resource set client has a data index. The data index is built and kept up to date using the tracked resource set of each of the plurality of servers.

Data index using a linked data standard

A method of use of real time machine control software integrating both event based mode and task based components. In particular, a collection of constructs have been created that allow machine control applications to be expressed in event based terms and the event based constructs to be seamlessly integrated with task based constructs. The method includes the use of response time specifications, in particular in conjunction with ReactiveTask and Task constructs. The method also includes the use of Register, ReferenceClock, and SchedulerLock constructs.

Machine control using a schedulerlock construct

Machine control integrating event based model with task based model

Machine control using response time specifications from sequential and state machine modes

Machine control using register construct

Machine control using a ReferenceClock construct

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Ottawa, Canada

James J Des Rivieres