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| - Second, we would like scientists to be able to discover semantically compatible actors and data while composing a workflow. This would involve two possible GUI mechanisms. First, there could be a toggle that allowed the user to only display semantically compatible actors and data in the left-hand pane. When toggled, the system would impose a constraint in which each potential actor is screened against the current workflow to see if it could be added in any semantically compatible way based on the semantic type of its I/O signature. When the workflow canvas is blank, all actors and data would appear in the list, but as actors and data are added to the canvas, this imposes constraints that reduces the number of actors that are displayed. Second, the user should be able to select any combination of one or more actors that is currently on the canvas and right click to "Show compatible actors". This effectively launches a semantic query against the semantic I/O signature of the selected actors and displays compatible actors in the left-hand pane. In addition, a user may want to further restrict their search by showing both semantically and structurally compatible actors. |
| + Second, we would like scientists to be able to discover semantically compatible actors and data while composing a workflow. This capability would involve two possible GUI mechanisms. First, a toggle could be used that allows the user to only display actors in the left-hand pane that are semantically compatible to a the current workflow (displayed in the Kepler canvas). When a user selects the toggle, the system would impose a constraint in which each potential actor is screened to see if it could be added in any "semantically compatible" way to actors and data in the workflow. Semantic compatibility here means that the I/O signature annotations of the involved actors are compatible. When the workflow canvas is blank, all actors and data would appear in the list, but as actors and data are added to the canvas, constraints are imposed that reduce the number of actors displayed in the left-hand pane. Second, the user should be able to select any combination of one or more actors that is currently on the canvas and right click to "Show compatible actors". This effectively launches a semantic query against the I/O signature annotations of the selected actors and displays compatible actors in the left-hand pane. In addition, a user may want to further restrict their search by showing both semantically and structurally compatible actors. |
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