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This document is a guideline for Knowledge Engineers on development and maintenance of kernel protected knowledge bases. It addresses the most important issues concerning version and release management and provides advice on file and knowledge base organization. It is assuming you use Quaestor version use Quaestor version 2.46.2 or later.

Because specific organization of your ICT infrastructure will vary, we advise also to discuss these issues with the responsible persons within your organization.

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Although we do our utmost avoiding Quaestor to avoiding Quaestor to crash, disaster can strike (also due to other reasons than Quaestor). To avoid loss of information, Quaestor is  Quaestor is able to save backups of knowledge bases and projects at regular intervals (see also Backup File ).

Moreover, and very important as a tool for developers, you can save these backups with a time stamp, enabling several versions of our backups to be stored. This does not only save time when Quaestor or when Quaestor or your computer crashes, it also enables you to go back to a previous version of your development version.

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2 Knowledge base version management

A Quaestor knowledge A Quaestor knowledge base is a binary file, and as such all aspects as facilitated by the MS Windows file management are available. This means that the file can be read and write protected, be added to a backup procedures, etc.

As it is common practice to have a development area and a production area, we will only mention the fact that it is important to have a good separation between your development area and your production area in order not to overwrite a released knowledge base with a development version. In Quaestor you In Quaestor you are able to work with personal profiles (please read about startup behavior for some specific start up behavior and default setting issues). These profiles enable a knowledge engineer to efficiently work on different knowledge bases in different area’s requiring different Quaestor directory different Quaestor directory settings by switch between these profiles.

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However, please realize that that Quaestor will that Quaestor will use the file name to associate a project file to the accompanying knowledge base. Therefore, changing file names between versions of knowledge bases is a good approach for major releases (in which it might make sense to break the association between an existing project file and this new knowledge base), but for minor releases this is not convenient.

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After opening a knowledge base, in the “About Quaestor” window Quaestor and window Quaestor and knowledge base version information can be found.

You will find information on your current Quaestor version current Quaestor version (see http://qnowledge.nl/pub/version number convention.htm), your license information and user level.

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2.4 General remark

Please note that Quaestor will that Quaestor will automatically store the following information as part of a solution:

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