Re: [protege-user] ! [WARN] No ODBA model ... ?

That must be something related to an installed Ontop plugin - their 
custom format does use the *.obda file extension.

Did you install that plugin? Maybe also worked with Ontop in the meantime?


Lorenz

On 27.05.25 18:59, Michael DeBellis wrote:
> Jean-Louis, FYI, I don't think this is a problem with 5.6.4 in general 
> because I can't recall seeing that error and I use 5.6.4 more or less 
> every day on some fairly large and complex ontologies. My best guess 
> is that it has to do with some plugin. I wasn't sure what ODBA meant 
> in this context. My first thought is: Object-Database Access and it 
> has something to do with a plugin for connecting the A-Box with a 
> relational database... but that is purely a guess. Also, in general, a 
> Warning isn't all that serious. On the other hand, when you get text 
> in Red it often is a serious error. But as I looked at that second 
> image (Log Preferences) more carefully, I realized that is just a 
> generic message on the preferences for defining your log preferences 
> so the red in that message (at least I'm pretty sure) is not an actual 
> error but rather an example (hence the foos and bars) of what 
> different kinds of errors will look like with your current log settings.
>
> Again, my best guess is the issue is a Plugin. For example, I use a 
> Plugin that always causes an error if I try to open one of the Windows 
> where I'm using the plugin without first running the reasoner and I 
> just ignore it. Do you get the "Reasoner Active" message after you run 
> the reasoner? Does the reasoner make expected inferences and can you 
> click on a "?" and get explanations? If yes then it probably isn't 
> that serious an error.
>
> Some suggestions:
>
> 1) Search through the log for "plugin" or look where you get the 
> messages and see if it mentions any plugins.
> 2) Copy the entire log and paste it into a text file using something 
> like Notepad and send the entire Log file.
> 3) If the sample ontology isn't that large and isn't proprietary send 
> that as well.
> 4) Create a new ontology, perhaps with just one class and one instance 
> and one data property and see if you still get the error.
>
> Also, I asked ChatGPT what ODBA meant in the context of Protege. The 
> answer may not be correct but I'll paste it below just because it may 
> be of some use.
>
> Cheers,
> Michael
> https://www.michaeldebellis.com/blog
>
> From ChatGPT:
>
> In the context of *Protégé* and OWL ontologies, *ODBA* typically 
> stands for:
>
>     *OWL Direct Binary Access*
>
> This refers to a *plugin or internal mechanism* within Protégé 
> (especially in its more advanced or research-focused configurations) 
> that allows the system to *directly access OWL ontologies in a binary 
> format* for performance optimization.
>
>
>       Key points:
>
>  *
>
>     *ODBA* is not a standard OWL term—it’s an internal or experimental
>     component used in certain builds of Protégé, especially those
>     connected with *ELK reasoner* or high-performance OWL EL reasoning.
>
>  *
>
>     It often appears in logs or UI components when Protégé is trying
>     to *optimize access to large ontologies*.
>
>  *
>
>     In some cases, you might see things like |ODBA Plugin| or
>     references to ODBA storage in *reasoner preferences*, especially
>     if you're using reasoners or tools developed at TU Dresden or
>     Stanford.
>
> ------------------------------------------------------------------------
>
>
>       If You Saw It in the UI or a Log Message:
>
> It might be indicating that Protégé is using *binary-optimized access* 
> to speed up parsing or reasoning. It’s not something most ontology 
> engineers need to configure directly unless doing performance tuning.
>
> Would you like to paste the full context where you saw “ODBA”? That 
> might help confirm whether it's the binary access layer or something else.
>
>
> On Tue, May 27, 2025 at 9:28 AM Jean-Louis Janin 
> <[email protected]> wrote:
>
>     Hello,
>
>     I don't understand this uncomplete warning message, briefly available
>     and reading as follows:
>
>     "[WARN]  No ODBA model was loaded because no .odba file exists i...
>     click to open the log"
>
>     It appears regularly with Protégé Desktop 5.6.4 through an orange
>     ! (see
>     attached screen shots).
>
>     Would anybody propose an explanation for this "potential" warning ?
>
>     How could I create an ODBA file ? For what purpose ?
>
>     Regards,
>
>     Jean-Louis Janin
>     _______________________________________________
>     protege-user mailing list
>     [email protected]
>     https://mailman.stanford.edu/mailman/listinfo/protege-user
>
>
> _______________________________________________
> protege-user mailing list
> [email protected]
> https://mailman.stanford.edu/mailman/listinfo/protege-user

-- 
Lorenz Bühmann
Research Associate/Scientific Developer

[email protected]

Institute for Applied Informatics e.V. (InfAI) | Goerdelerring 9 | 04109 Leipzig | Germany

_______________________________________________
protege-user mailing list
[email protected]
https://mailman.stanford.edu/mailman/listinfo/protege-user