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As a result (and mentioned in the above standard views), the knowledge engineer required additional windows, such as the Knowledge Browser, Slots & Properties and the Frame Viewer to have additional views on the knowledge base.
Browsing knowledge
By means of the Knowledge Browser the KE is able to browse through all parameters, relations and constraints (frames). The Frame Viewer and Slots & Properties will follow the selections in the Knowledge Browser and enable you to modify all kind of aspects on the selected frames. Furthermore, the Knowledge Browser will follow your browsing through the Workbase.
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Editing you use a combination of the Knowledge Browser, Frame Viewer and Slots & Properties.
Note that most of the functionality for the Knowledge Browser is part of the right mouse menu functionality, see also in the following sections.
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Parameter names can be modified in the Knowledge Browser, simply select the parameter and press F2. The changed name will be propagated through the knowledge base as far a this is recognizable by Quaestor. In other words: Please note that parameters in templates and between quotes are NOT changed! The "Search & Replace..." tool automatically starts as soon you have changed a parameter name. This tool allows you to search and replace the old with the new parameter name also in data and reference texts of all frames in the knowledge base. In particular attention should be paid to modify input templates for satellite programs.
Any additional modifications to reference text or attributes and data in the data slot can be done by means of the Frame Viewer and Slots & Properties. Put the focus on a parameter in theKnowledge Browser and make your changes in the Frame Viewer and Slots & Properties.
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- When a relation is added, the new parameters are added to the knowledge base;
- Use the right mouse menu option "New Parameter/Function..." in the Knowledge Browser (or the main menu);
For Quaestor it is important to know what type of parameter it is adding. You can define this type in two ways:
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Modification of expressions (relations or constraints) is done by means of the Expression Editor. The window automatically opens when you select an expression and press F2. You can see expressions in the Knowledge Browser by:
- Double clicking on the class in the tree view;
- Go to a specific relation through the browsing process described above;
- Make a specific view by means of the filters in the Knowledge Browser;
When the Expression Editor is opened, it shows the expression in the top part and any additional attributes and data in the bottom part. You can simply modify the expression in the normal way.
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New relations can be added using the right mouse menu of the Knowledge Browser. The same Expression Editor is opened and the last parameter or relation that was in focus is included as starting point.
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Beside a description of all your parameters, relations constraints etc. you are able to group relevant parameters and relations in classes in the class tree. You can create a new class and arrange existing classes in the class tree on the left side of the Knowledge Browser and drag and drop parameters and relations in these classes.
The purpose of classes is to organise your parameters. You do this by selecting any existing class and press the right mouse button.
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Every new knowledge component can be tested right away. Simply double click the parameter to be calculated in Knowledge Browser to indicate it is a top goal and press the Create Solution or play button to start your calculation process.
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- Workbase, to provide input during a dialog and navigate through all solutions;
- Explanation, to present all reference information (and all other binary data connected to parameter, objects and relations that can be visualized in a web browser);
- Knowledge Browser, to add, modify and navigate through all knowledge;
- Frame Viewer, to view and change details on parameters, relations and constraints;
- Slots & Properties, to view and change properties of parameters, relations and constraints;
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- Trace Viewer, specialized window to debug modeling and evaluation of solutions;
- Web Browser, to view web pages, pdf documents, text, etc. in a separate window;
- Graph, simple viewer for multi-case values;
- Knowledgebase Clipboard, to export knowledge from the Knowledge Browser to a separate file, etc.;
- Workbase Clipboard, to export results from the Workbase to a separate file, etc.;
- Expression Editor, to edit expressions (relations, functions, constraints);
- Compose Text, to compose text based on text fragments in the Knowledge Browser or Workbase;
Finally you have special modal windows, for instance required to control Quaestor in combination with other programs. The special modal windows [3] are:
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- Graph
- Save As...
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- Copy
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- 3D Bar
- 2D Bar
- 3D Line
- 2D Line
- 3D Area
- 2D Area
- 3D Step
- 2D Step
- 2D Pie
- 2D XY
- View
- Knowledge Browser
- Workbase
- Frame Viewer
- Slots & Properties
- Explanation
- Trace Viewer
- Web Browser
- Graph
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- Knowledgebase Clipboard
- Workbase Clipboard
- Expression Editor
- Report
- Compose Text
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Overview
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