International Business Machines Corporation

Rouben Meschian

Elias Torres

Louis M Weitzman

Sean James Martin

Alister David Lewis-Bowen

Simon L Martin

Matthew Norman Roy

Benjamin H Szekely

Dan Smith

Robert N Gonzalez

Disclosed are a method, information processing system, and computer program storage product for managing Resource Description Framework ('RDF') graphs in a distributed system. At least one modification request for modifying an RDF graph in a shared data store is received. The modification request includes a query set, an expected result set, and a change set associated. The query set is a set of preconditions for guaranteeing a state of the RDF graph before executing the change set. The expected result set is results expected by the query. The change set is at least one statement that changes data elements in the RDF graph. The query is applied to the RDF graph at the shared data store. A result of the query is analyzed. A transaction request, which includes the change set, associated with the modification request is sent to a server information processing system communicatively coupled to the shared data storage.

Automatic creation of pre-condition queries for conflict detection in distributed processing systems

A method, apparatus, and computer program product for graphically presenting compatible workflow steps to a user through a graphical user interface are disclosed. The method includes graphically displaying a plurality of steps in a workflow. A user's selection for at least one step in a plurality of steps to denote at least one selected step and at least one non-selected step is received. The method further includes determining if a set of one or more output parameters of the selected step is acceptable as an input of the non-selected step. An appearance of the non-selected step is graphically changed if the output parameters are acceptable. The method also includes determining if a set of one or more output parameters of the non-selected step is acceptable as an input of the selected step. An appearance of the non-selected step is graphically changed if the output parameters are acceptable.

Method and apparatus for graphically displaying compatible workflow steps

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Rouben Meschian